Subj : Southern Ontario Weather To : All From : Northern Realms Date : Thu Sep 11 2025 05:05:00 FPCN11 CWTO 110900 Forecasts for Southern Ontario and the National Capital Region issued by Environment Canada at 5:00 a.m. EDT Thursday 11 September 2025 for today and Friday. The next scheduled forecast will be issued at 11:00 a.m. EDT. City of Toronto. Today..Sunny. Becoming a mix of sun and cloud this afternoon. High 25. Humidex 28. UV index 6 or high. Tonight..Partly cloudy. Low 13. Friday..A mix of sun and cloud. High 23. Humidex 26. UV index 6 or high. Windsor - Leamington - Essex County. Today..Sunny. Fog patches dissipating this morning. High 25. Humidex 28. UV index 7 or high. Tonight..Clear. Fog patches developing after midnight. Low 12. Friday..Mainly sunny. Fog patches dissipating in the morning. High 26. Humidex 28. UV index 7 or high. Chatham-Kent - Rondeau Park. Today..Sunny. Fog patches dissipating this morning. High 25. Humidex 28. UV index 7 or high. Tonight..Clear. Fog patches developing after midnight. Low 12. Friday..Sunny. Fog patches dissipating in the morning. High 26. Humidex 28. UV index 7 or high. Sarnia - Petrolia - Western Lambton County. Today..Sunny. Fog patches dissipating this morning. High 25. Humidex 27. UV index 7 or high. Tonight..Clear. Fog patches developing after midnight. Low 10. Friday..Sunny. Fog patches dissipating in the morning. High 26. Humidex 29. UV index 7 or high. Watford - Pinery Park - Eastern Lambton County. Today..Sunny. Fog patches dissipating this morning. High 25. Humidex 27. UV index 6 or high. Tonight..A few clouds. Fog patches developing after midnight. Low 10. Friday..A mix of sun and cloud. Fog patches dissipating in the morning. High 26. Humidex 29. UV index 7 or high. Rodney - Shedden - Western Elgin County. Today..Sunny. Fog patches dissipating this morning. High 25. Humidex 27. UV index 7 or high. Tonight..Clear. Fog patches developing after midnight. Low 11. Friday..Mainly sunny. Fog patches dissipating in the morning. High 25. Humidex 28. UV index 7 or high. St. Thomas - Aylmer - Eastern Elgin County. Today..Sunny. Fog patches dissipating this morning. High 25. Humidex 27. UV index 7 or high. Tonight..Clear. Fog patches developing after midnight. Low 11. Friday..Sunny. Fog patches dissipating in the morning. High 25. Humidex 28. UV index 7 or high. Strathroy - Komoka - Western Middlesex County. Today..Sunny. Fog patches dissipating this morning. High 25. Humidex 27. UV index 7 or high. Tonight..Clear. Fog patches developing after midnight. Low 10. Friday..Sunny. Fog patches dissipating in the morning. High 26. Humidex 29. UV index 7 or high. London - Parkhill - Eastern Middlesex County. Today..Sunny. Fog patches dissipating this morning. High 25. Humidex 27. UV index 7 or high. Tonight..Clear. Fog patches developing after midnight. Low 10. Friday..Mainly sunny. Fog patches dissipating in the morning. High 26. Humidex 29. UV index 7 or high. Simcoe - Delhi - Norfolk. Today..Sunny. Fog patches dissipating this morning. High 25. Humidex 27. UV index 7 or high. Tonight..Clear. Fog patches developing after midnight. Low 10. Friday..Sunny. Becoming a mix of sun and cloud in the afternoon. Fog patches dissipating in the morning. High 24. Humidex 27. UV index 7 or high. Dunnville - Caledonia - Haldimand. Today..Sunny. Fog patches dissipating this morning. High 25. Humidex 27. UV index 6 or high. Tonight..A few clouds. Fog patches developing after midnight. Low 12. Friday..A mix of sun and cloud. Fog patches dissipating in the morning. High 24. Humidex 27. UV index 7 or high. Woodstock - Tillsonburg - Oxford County. Today..Sunny. Fog patches dissipating this morning. High 25. Humidex 27. UV index 7 or high. Tonight..A few clouds. Fog patches developing after midnight. Low 11. Friday..Sunny. Becoming a mix of sun and cloud near noon. Fog patches dissipating in the morning. High 25. Humidex 28. UV index 7 or high. Brantford - County of Brant. Today..Sunny. Fog patches dissipating this morning. High 25. Humidex 27. UV index 7 or high. Tonight..A few clouds. Fog patches developing after midnight. Low 11. Friday..Mainly sunny. Increasing cloudiness early in the afternoon. Fog patches dissipating in the morning. High 25. Humidex 28. UV index 7 or high. Niagara Falls - Welland - Southern Niagara Region. Today..Sunny. Fog patches dissipating this morning. High 24. Humidex 27. UV index 6 or high. Tonight..A few clouds. Fog patches developing after midnight. Low 11. Friday..A mix of sun and cloud. Fog patches dissipating in the morning. High 23. Humidex 26. UV index 7 or high. St. Catharines - Grimsby - Northern Niagara Region. Today..Sunny. Fog patches dissipating this morning. High 24. Humidex 27. UV index 6 or high. Tonight..A few clouds. Fog patches developing after midnight. Low 11. Friday..A mix of sun and cloud. Fog patches dissipating in the morning. High 23. Humidex 26. UV index 7 or high. City of Hamilton. Today..Sunny. Fog patches dissipating this morning. High 24. Humidex 27. UV index 6 or high. Tonight..A few clouds. Fog patches developing after midnight. Low 11. Friday..A mix of sun and cloud. Fog patches dissipating in the morning. High 24. Humidex 27. UV index 7 or high. Burlington - Oakville. Today..Sunny. Becoming a mix of sun and cloud this afternoon. High 24. Humidex 28. UV index 6 or high. Tonight..Partly cloudy. Low 11. Friday..A mix of sun and cloud. High 23. Humidex 27. UV index 7 or high. Halton Hills - Milton. Today..Sunny. Increasing cloudiness this afternoon. Fog patches dissipating this morning. High 24. Humidex 28. UV index 6 or high. Tonight..Partly cloudy. Fog patches developing after midnight. Low 10. Friday..A mix of sun and cloud. Fog patches dissipating in the morning. High 23. Humidex 27. UV index 7 or high. Mississauga - Brampton. Today..Sunny. Becoming a mix of sun and cloud this afternoon. High 24. Humidex 28. UV index 6 or high. Tonight..Partly cloudy. Low 11. Friday..A mix of sun and cloud. High 23. Humidex 27. UV index 7 or high. Caledon. Today..Mainly sunny. Increasing cloudiness late this morning. Fog patches dissipating this morning. High 24. Humidex 28. UV index 6 or high. Tonight..Partly cloudy. Fog patches developing after midnight. Low 10. Friday..A mix of sun and cloud. Fog patches dissipating in the morning. High 23. Humidex 27. UV index 7 or high. Vaughan - Richmond Hill - Markham. Today..Sunny. Increasing cloudiness early this afternoon. Fog patches dissipating this morning. High 25. Humidex 28. UV index 6 or high. Tonight..Partly cloudy. Fog patches developing after midnight. Low 9. Friday..A mix of sun and cloud. Fog patches dissipating in the morning. High 23. UV index 7 or high. Newmarket - Georgina - Northern York Region. Today..Mainly sunny. Increasing cloudiness this morning. Fog patches dissipating this morning. High 24. Humidex 27. UV index 6 or high. Tonight..Partly cloudy. Fog patches developing after midnight. Low 9. Friday..A mix of sun and cloud. Fog patches dissipating in the morning. High 23. UV index 7 or high. Pickering - Oshawa - Southern Durham Region. Today..Mainly sunny. Increasing cloudiness early this afternoon. High 24. Humidex 27. UV index 6 or high. Tonight..Partly cloudy. Fog patches developing after midnight. Low 9. Friday..A mix of sun and cloud. Fog patches dissipating in the morning. High 23. UV index 7 or high. Uxbridge - Beaverton - Northern Durham Region. Today..Mainly sunny. Increasing cloudiness late this morning. Fog patches dissipating this morning. High 24. Humidex 27. UV index 6 or high. Tonight..Partly cloudy. Fog patches developing after midnight. Low 9. Friday..A mix of sun and cloud. Fog patches dissipating in the morning. High 23. UV index 7 or high. Goderich - Bluewater - Southern Huron County. Today..Sunny. Fog patches dissipating this morning. Wind becoming north 30 km/h this afternoon. High 25. Humidex 28. UV index 7 or high. Tonight..Clear. Fog patches developing after midnight. Low 9. Friday..Sunny. Fog patches dissipating in the morning. High 25. Humidex 27. UV index 6 or high. Wingham - Blyth - Northern Huron County. Today..Mainly sunny. Fog patches dissipating this morning. High 25. Humidex 28. UV index 7 or high. Tonight..A few clouds. Fog patches developing after midnight. Low 9. Friday..Sunny. Fog patches dissipating in the morning. High 25. Humidex 27. UV index 6 or high. Stratford - Mitchell - Southern Perth County. Today..Sunny. Fog patches dissipating this morning. High 25. Humidex 28. UV index 7 or high. Tonight..A few clouds. Fog patches developing after midnight. Low 9. Friday..Mainly sunny. Fog patches dissipating in the morning. High 25. Humidex 27. UV index 6 or high. Listowel - Milverton - Northern Perth County. Today..Sunny. Increasing cloudiness this afternoon. Fog patches dissipating this morning. High 25. Humidex 28. UV index 6 or high. Tonight..Partly cloudy. Fog patches developing after midnight. Low 9. Friday..Sunny. Becoming a mix of sun and cloud in the afternoon. Fog patches dissipating in the morning. High 25. Humidex 27. UV index 6 or high. Kitchener - Cambridge - Region of Waterloo. Today..Sunny. Becoming a mix of sun and cloud this afternoon. Fog patches dissipating this morning. High 24. Humidex 26. UV index 6 or high. Tonight..Partly cloudy. Fog patches developing after midnight. Low 10. Friday..A mix of sun and cloud. Fog patches dissipating in the morning. High 24. Humidex 27. UV index 7 or high. Guelph - Erin - Southern Wellington County. Today..Sunny. Becoming a mix of sun and cloud this afternoon. Fog patches dissipating this morning. High 24. Humidex 26. UV index 6 or high. Tonight..Partly cloudy. Fog patches developing after midnight. Low 10. Friday..A mix of sun and cloud. Fog patches dissipating in the morning. High 24. Humidex 27. UV index 7 or high. Mount Forest - Arthur - Northern Wellington County. Today..Mainly sunny. Increasing cloudiness early this afternoon. Fog patches dissipating this morning. High 24. Humidex 26. UV index 6 or high. Tonight..Partly cloudy. Fog patches developing after midnight. Low 10. Friday..A mix of sun and cloud. Fog patches dissipating in the morning. High 24. Humidex 27. UV index 7 or high. Orangeville - Grand Valley - Southern Dufferin County. Today..Mainly sunny. Increasing cloudiness this morning. Fog patches dissipating this morning. High 24. Humidex 28. UV index 6 or high. Tonight..Partly cloudy. Fog patches developing after midnight. Low 8. Friday..A mix of sun and cloud. Fog patches dissipating in the morning. High 23. Humidex 25. UV index 7 or high. Shelburne - Mansfield - Northern Dufferin County. Today..A mix of sun and cloud. Fog patches dissipating this morning. High 24. Humidex 28. UV index 6 or high. Tonight..Partly cloudy. Fog patches developing after midnight. Low 8. Friday..Mainly sunny. Increasing cloudiness late in the morning. Fog patches dissipating in the morning. High 23. Humidex 25. UV index 7 or high. Innisfil - New Tecumseth - Angus. Today..A mix of sun and cloud. Fog patches dissipating this morning. High 24. Humidex 28. UV index 6 or high. Tonight..Partly cloudy. Fog patches developing after midnight. Low 8. Friday..A mix of sun and cloud. Fog patches dissipating in the morning. High 23. Humidex 25. UV index 7 or high. Saugeen Shores - Kincardine - Southern Bruce County. Today..Mainly sunny. Fog patches dissipating this morning. High 23. Humidex 26. UV index 7 or high. Tonight..Clear. Fog patches developing after midnight. Low 9. Friday..Sunny. Fog patches dissipating in the morning. High 24. Humidex 25. UV index 6 or high. Bruce Peninsula - Sauble Beach - Tobermory. Today..Mainly cloudy. Clearing early this afternoon. Fog patches dissipating this morning. Wind northeast 20 km/h becoming light this morning. High 20. UV index 6 or high. Tonight..Clear. Fog patches developing after midnight. Low 9. Friday..Sunny. Becoming a mix of sun and cloud near noon. Fog patches dissipating in the morning. High 24. Humidex 25. UV index 6 or high. Hanover - Dundalk - Southern Grey County. Today..A mix of sun and cloud. Fog patches dissipating this morning. High 23. Humidex 26. UV index 6 or high. Tonight..A few clouds. Fog patches developing after midnight. Low 9. Friday..Mainly sunny. Fog patches dissipating in the morning. High 24. Humidex 25. UV index 6 or high. Owen Sound - Blue Mountains - Northern Grey County. Today..A mix of sun and cloud. Fog patches dissipating this morning. High 20. UV index 6 or high. Tonight..Clear. Fog patches developing after midnight. Low 9. Friday..Sunny. Fog patches dissipating in the morning. High 24. Humidex 25. UV index 6 or high. Barrie - Collingwood - Hillsdale. Today..Increasing cloudiness early this morning. Fog patches dissipating this morning. High 20. UV index 6 or high. Tonight..Partly cloudy. Fog patches developing after midnight. Low 9. Friday..A mix of sun and cloud. Fog patches dissipating in the morning. High 23. Humidex 25. UV index 6 or high. Midland - Coldwater - Orr Lake. Today..Increasing cloudiness. Fog patches dissipating this morning. High 20. UV index 6 or high. Tonight..Partly cloudy. Fog patches developing after midnight. Low 9. Friday..Mainly sunny. Fog patches dissipating in the morning. High 23. Humidex 25. UV index 6 or high. Orillia - Lagoon City - Washago. Today..Increasing cloudiness. Fog patches dissipating this morning. High 23. Humidex 26. UV index 6 or high. Tonight..Partly cloudy. Fog patches developing after midnight. Low 9. Friday..A mix of sun and cloud. Fog patches dissipating in the morning. High 23. Humidex 25. UV index 6 or high. Cobourg - Colborne - Western Northumberland County. Today..Sunny. Increasing cloudiness late this morning. High 24. Humidex 27. UV index 6 or high. Tonight..Partly cloudy. Fog patches developing after midnight. Low 9. Friday..A mix of sun and cloud. Becoming sunny in the morning. Fog patches dissipating in the morning. High 22. UV index 6 or high. Belleville - Quinte West - Eastern Northumberland County. Today..Sunny. Increasing cloudiness late this morning. High 24. Humidex 27. UV index 6 or high. Tonight..Partly cloudy. Fog patches developing after midnight. Low 9. Friday..A mix of sun and cloud. Becoming sunny in the morning. Fog patches dissipating in the morning. High 22. UV index 6 or high. Picton - Sandbanks Park. Today..Sunny. Increasing cloudiness late this morning. Fog patches dissipating this morning. High 24. Humidex 27. UV index 6 or high. Tonight..Partly cloudy. Fog patches developing after midnight. Low 9. Friday..A mix of sun and cloud. Becoming sunny in the morning. Fog patches dissipating in the morning. High 22. UV index 6 or high. Napanee - Consecon. Today..Sunny. Increasing cloudiness late this morning. Fog patches dissipating this morning. High 24. Humidex 27. UV index 6 or high. Tonight..Partly cloudy. Fog patches developing after midnight. Low 9. Friday..A mix of sun and cloud. Becoming sunny in the morning. Fog patches dissipating in the morning. High 22. UV index 6 or high. Kingston - Odessa - Frontenac Islands. Today..Sunny. Increasing cloudiness near noon. Fog patches dissipating this morning. High 24. Humidex 28. UV index 6 or high. Tonight..Clearing late this evening. Fog patches developing after midnight. Low 9. Friday..Sunny. Fog patches dissipating in the morning. High 21. UV index 6 or high. Lindsay - Southern Kawartha Lakes. Today..Mainly sunny. Increasing cloudiness this morning. Fog patches dissipating this morning. High 24. Humidex 28. UV index 6 or high. Tonight..Partly cloudy. Fog patches developing after midnight. Low 7. Friday..A mix of sun and cloud. Fog patches dissipating in the morning. High 22. UV index 6 or high. Fenelon Falls - Balsam Lake Park - Northern Kawartha Lakes. Today..Increasing cloudiness. Fog patches dissipating this morning. High 24. Humidex 28. UV index 6 or high. Tonight..Partly cloudy. Fog patches developing after midnight. Low 6. Friday..Mainly sunny. Fog patches dissipating in the morning. High 22. UV index 6 or high. Peterborough City - Lakefield - Southern Peterborough County. Today..Mainly sunny. Increasing cloudiness this morning. Fog patches dissipating this morning. High 24. Humidex 28. UV index 6 or high. Tonight..Partly cloudy. Fog patches developing after midnight. Low 7. Friday..A mix of sun and cloud. Fog patches dissipating in the morning. High 22. UV index 6 or high. Apsley - Woodview - Northern Peterborough County. Today..A mix of sun and cloud. Fog patches dissipating this morning. High 24. Humidex 28. UV index 5 or moderate. Tonight..Clear. Fog patches developing after midnight. Low 6. Friday..Sunny. Fog patches dissipating in the morning. High 22. UV index 6 or high. Stirling - Tweed - Madoc. Today..Increasing cloudiness early this morning. Fog patches dissipating this morning. High 24. Humidex 26. UV index 5 or moderate. Tonight..Clear. Fog patches developing after midnight. Low 8. Friday..Sunny. Fog patches dissipating in the morning. High 22. UV index 6 or high. Tamworth - Sydenham - South Frontenac. Today..Mainly sunny. Increasing cloudiness this morning. Fog patches dissipating this morning. Wind northeast 20 km/h becoming light this morning. High 24. Humidex 26. UV index 6 or high. Tonight..Clear. Fog patches developing after midnight. Low 8. Friday..Sunny. Fog patches dissipating in the morning. High 22. UV index 6 or high. Kaladar - Bannockburn - Bon Echo Park. Today..A mix of sun and cloud. Fog patches dissipating this morning. Wind north 20 km/h becoming light this morning. High 24. Humidex 26. UV index 6 or high. Tonight..Clear. Fog patches developing after midnight. Low plus 3. Friday..Sunny. Fog patches dissipating in the morning. High 22. UV index 6 or high. Bancroft - Hastings Highlands - Denbigh. Today..Mainly cloudy. Clearing late this afternoon. Wind north 20 km/h becoming light this morning. High 20. UV index 5 or moderate. Tonight..Clear. Fog patches developing after midnight. Low plus 3 with risk of frost. Friday..Sunny. Fog patches dissipating in the morning. High 22. UV index 6 or high. Gananoque - Mallorytown. Today..Sunny. Becoming a mix of sun and cloud this morning. Fog patches dissipating this morning. High 24. Humidex 26. UV index 6 or high. Tonight..Clear. Fog patches developing after midnight. Low 7. Friday..Sunny. Fog patches dissipating in the morning. High 22. UV index 6 or high. Brockville - Prescott. Today..A mix of sun and cloud. Fog patches dissipating this morning. High 24. Humidex 26. UV index 6 or high. Tonight..Clear. Fog patches developing after midnight. Low 7. Friday..Sunny. Fog patches dissipating in the morning. High 22. UV index 6 or high. Westport - Charleston Lake. Today..Sunny. Becoming a mix of sun and cloud this morning. Fog patches dissipating this morning. Wind north 20 km/h becoming light this morning. High 24. Humidex 26. UV index 6 or high. Tonight..Clear. Fog patches developing after midnight. Low 7. Friday..Sunny. Fog patches dissipating in the morning. High 22. UV index 6 or high. Merrickville-Wolford - Kemptville. Today..A mix of sun and cloud. Clearing late this afternoon. Fog patches dissipating this morning. High 24. Humidex 26. UV index 6 or high. Tonight..Clear. Fog patches developing after midnight. Low 7. Friday..Sunny. Fog patches dissipating in the morning. High 22. UV index 6 or high. Ottawa North - Kanata - Orl‚ans. Today..A mix of sun and cloud. Clearing this afternoon. Fog patches dissipating this morning. High 23. Humidex 25. UV index 6 or high. Tonight..Clear. Fog patches developing after midnight. Low 6. Friday..Sunny. Fog patches dissipating in the morning. High 21. UV index 6 or high. Ottawa South - Richmond - Metcalfe. Today..A mix of sun and cloud. Clearing this afternoon. Fog patches dissipating this morning. High 23. Humidex 25. UV index 6 or high. Tonight..Clear. Fog patches developing after midnight. Low 6. Friday..Sunny. Fog patches dissipating in the morning. High 21. UV index 6 or high. Gatineau. Today..A mix of sun and cloud. Clearing near noon. Fog patches dissipating this morning. Wind becoming north 20 km/h this morning. High 24. Humidex 26. UV index 6 or high. Tonight..Clear. Fog patches developing after midnight. Low 6. Friday..Sunny. Fog patches dissipating in the morning. High 22. UV index 6 or high. Prescott and Russell. Today..A mix of sun and cloud. Clearing this afternoon. Fog patches dissipating this morning. Wind north 20 km/h. High 24. Humidex 27. UV index 6 or high. Tonight..Clear. Fog patches developing after midnight. Low 6. Friday..Sunny. Fog patches dissipating in the morning. High 20. UV index 6 or high. Morrisburg - Long Sault. Today..A mix of sun and cloud. Clearing late this afternoon. Fog patches dissipating this morning. Wind becoming north 20 km/h near noon. High 23. Humidex 26. UV index 6 or high. Tonight..Clear. Fog patches developing after midnight. Low 7. Friday..Sunny. Fog patches dissipating in the morning. High 20. UV index 6 or high. Cornwall - Lancaster. Today..A mix of sun and cloud. Fog patches dissipating this morning. Wind becoming northwest 20 km/h this afternoon. High 23. Humidex 26. UV index 6 or high. Tonight..Clear. Fog patches developing after midnight. Low 7. Friday..Sunny. Fog patches dissipating in the morning. High 20. UV index 6 or high. Winchester - Newington. Today..A mix of sun and cloud. Clearing late this afternoon. Fog patches dissipating this morning. Wind becoming north 20 km/h early this afternoon. High 24. Humidex 27. UV index 6 or high. Tonight..Clear. Fog patches developing after midnight. Low 6. Friday..Sunny. Fog patches dissipating in the morning. High 21. UV index 6 or high. Maxville - Alexandria. Today..A mix of sun and cloud. Clearing this afternoon. Fog patches dissipating this morning. Wind becoming north 20 km/h this afternoon. High 24. Humidex 27. UV index 6 or high. Tonight..Clear. Fog patches developing after midnight. Low 6. Friday..Sunny. Fog patches dissipating in the morning. High 21. UV index 6 or high. Plevna - Sharbot Lake - Western Lanark County. Today..A mix of sun and cloud. Fog patches dissipating this morning. Wind north 20 km/h becoming light late this morning. High 22. UV index 6 or high. Tonight..Clear. Fog patches developing after midnight. Low plus 5. Friday..Sunny. Fog patches dissipating in the morning. High 21. UV index 6 or high. Smiths Falls - Perth - Eastern Lanark County. Today..A mix of sun and cloud. Fog patches dissipating this morning. High 22. UV index 5 or moderate. Tonight..Clear. Fog patches developing after midnight. Low plus 5. Friday..Sunny. Fog patches dissipating in the morning. High 21. UV index 6 or high. Port Carling - Port Severn. Today..Increasing cloudiness. High 20. UV index 6 or high. Tonight..Partly cloudy. Fog patches developing after midnight. Low 9. Friday..Mainly sunny. Fog patches dissipating in the morning. High 22. UV index 6 or high. Bracebridge - Gravenhurst. Today..Increasing cloudiness early this morning. High 22. UV index 5 or moderate. Tonight..A few clouds. Fog patches developing after midnight. Low plus 5. Friday..Sunny. Fog patches dissipating in the morning. High 22. UV index 6 or high. Town of Parry Sound - Rosseau - Killbear Park. Today..Mainly cloudy. Wind northeast 20 km/h becoming light this morning. High 20. UV index 6 or high. Tonight..Clear. Fog patches developing after midnight. Low 6. Friday..Sunny. Fog patches dissipating in the morning. High 22. UV index 6 or high. Huntsville - Baysville. Today..Mainly cloudy. High 22. UV index 5 or moderate. Tonight..Clear. Fog patches developing after midnight. Low 6. Friday..Mainly sunny. Fog patches dissipating in the morning. High 22. UV index 6 or high. Haliburton - Minden - Southern Haliburton County. Today..A mix of sun and cloud. Wind northeast 20 km/h becoming light this morning. High 22. UV index 5 or moderate. Tonight..Clear. Fog patches developing after midnight. Low plus 4. Friday..Sunny. Fog patches dissipating in the morning. High 21. UV index 6 or high. Oxtongue Lake - Fort Irwin - Northern Haliburton County. Today..Mainly cloudy. Wind northeast 20 km/h becoming light this morning. High 20. UV index 5 or moderate. Tonight..Clear. Fog patches developing after midnight. Low plus 3 with risk of frost. Friday..Sunny. Fog patches dissipating in the morning. High 21. UV index 6 or high. Barry's Bay - Killaloe. Today..Cloudy. Clearing early this afternoon. High 20. UV index 6 or high. Tonight..Clear. Fog patches developing after midnight. Low plus 3 with risk of frost. Friday..Sunny. Fog patches dissipating in the morning. High 21. UV index 6 or high. Renfrew - Arnprior - Calabogie. Today..Mainly cloudy. Clearing this afternoon. High 20. UV index 6 or high. Tonight..Clear. Fog patches developing after midnight. Low plus 5. Friday..Sunny. Fog patches dissipating in the morning. High 21. UV index 6 or high. Petawawa - Pembroke - Cobden. Today..Mainly cloudy. Clearing early this afternoon. High 20. UV index 6 or high. Tonight..Clear. Fog patches developing after midnight. Low plus 5. Friday..Sunny. Fog patches dissipating in the morning. High 21. UV index 6 or high. Western Algonquin Park - Lake of Two Rivers. Today..Cloudy. Clearing early this afternoon. High 19. UV index 6 or high. Tonight..Clear. Fog patches developing after midnight. Low plus 3 with risk of frost. Friday..Sunny. Fog patches dissipating in the morning. High 21. UV index 6 or high. Deep River - Whitney - Eastern Algonquin Park. Today..Cloudy. Becoming a mix of sun and cloud near noon. Wind northeast 20 km/h becoming light this morning. High 19. UV index 6 or high. Tonight..Clear. Fog patches developing after midnight. Low plus 3 with risk of frost. Friday..Sunny. Fog patches dissipating in the morning. High 21. UV index 6 or high. Bayfield Inlet - Dunchurch. Today..Cloudy. Clearing early this afternoon. Wind northeast 20 km/h becoming light this morning. High 20. UV index 6 or high. Tonight..Clear. Fog patches developing after midnight. Low plus 5. Friday..Sunny. Becoming a mix of sun and cloud in the morning. Fog patches dissipating in the morning. High 21. UV index 6 or high. South River - Burk's Falls. Today..Cloudy. Clearing early this afternoon. Wind northeast 20 km/h becoming light this morning. High 19. UV index 6 or high. Tonight..Clear. Fog patches developing after midnight. Low plus 5. Friday..Sunny. Becoming a mix of sun and cloud in the morning. Fog patches dissipating in the morning. High 21. UV index 6 or high. End $$$$^^ --- up 7 hours, 40 minutes * Origin: Northern Realms (618:400/23) .