Subj : Southern Ontario Weather To : All From : Northern Realms Date : Sat Jul 04 2026 15:35:00 FPCN11 CWTO 041930 Forecasts for Southern Ontario and the National Capital Region issued by Environment Canada at 3:30 p.m. EDT Saturday 4 July 2026 for tonight Sunday and Sunday night. The next scheduled forecast will be issued at 5:00 a.m. EDT Sunday. City of Toronto. Tonight..Partly cloudy. 40 percent chance of showers early this evening with risk of a thunderstorm. Wind west 20 km/h becoming light early this evening. Low 20. Sunday..A mix of sun and cloud. Wind becoming east 20 km/h in the afternoon. High 26. Humidex 31. UV index 9 or very high. Sunday night..A few clouds. Wind east 20 km/h becoming light in the evening. Low 18. Windsor - Leamington - Essex County. Tonight..Partly cloudy. 30 percent chance of showers early this evening with risk of a thunderstorm. Wind north 30 km/h gusting to 50 becoming light this evening. Wind becoming northeast 20 before morning. Low 21. Sunday..Cloudy with 40 percent chance of showers and risk of a thunderstorm. Wind east 30 km/h. High 27. Humidex 35. UV index 7 or high. Sunday night..Mainly cloudy with 40 percent chance of showers. Risk of a thunderstorm early in the evening. Wind east 20 km/h. Low 18. Chatham-Kent - Rondeau Park. Tonight..Partly cloudy. 30 percent chance of showers early this evening with risk of a thunderstorm. Wind becoming east 20 km/h before morning. Low 20. Sunday..Cloudy with 40 percent chance of showers and risk of a thunderstorm. Wind east 20 km/h becoming light late in the morning. High 27. Humidex 35. UV index 7 or high. Sunday night..Mainly cloudy with 40 percent chance of showers. Risk of a thunderstorm early in the evening. Low 17. Sarnia - Petrolia - Western Lambton County. Tonight..Mainly cloudy. 30 percent chance of showers early this evening with risk of a thunderstorm. Wind becoming north 30 km/h early this evening then light late this evening. Low 19. Sunday..Mainly cloudy with 40 percent chance of showers and risk of a thunderstorm. Wind becoming north 30 km/h in the afternoon. High 26. Humidex 33. UV index 9 or very high. Sunday night..Partly cloudy with 40 percent chance of showers. Risk of a thunderstorm early in the evening. Wind northeast 30 km/h becoming light in the evening. Low 18. Watford - Pinery Park - Eastern Lambton County. Tonight..Partly cloudy. 30 percent chance of showers early this evening with risk of a thunderstorm. Wind north 20 km/h becoming light early this evening. Low 19. Sunday..Mainly cloudy with 40 percent chance of showers and risk of a thunderstorm. Wind becoming northeast 20 km/h in the morning. High 26. Humidex 33. UV index 9 or very high. Sunday night..Mainly cloudy with 40 percent chance of showers. Risk of a thunderstorm early in the evening. Wind northeast 20 km/h becoming light in the evening. Low 18. Rodney - Shedden - Western Elgin County. Tonight..Partly cloudy. 30 percent chance of showers early this evening with risk of a thunderstorm. Low 20. Sunday..Mainly cloudy with 40 percent chance of showers and risk of a thunderstorm. Wind east 20 km/h. High 26. Humidex 34. UV index 7 or high. Sunday night..Mainly cloudy with 40 percent chance of showers. Risk of a thunderstorm early in the evening. Wind northeast 20 km/h becoming light in the evening. Low 18. St. Thomas - Aylmer - Eastern Elgin County. Tonight..Mainly cloudy. 40 percent chance of showers early this evening with risk of a thunderstorm. Wind becoming east 20 km/h before morning. Low 20. Sunday..Mainly cloudy with 40 percent chance of showers and risk of a thunderstorm. Wind east 20 km/h. High 26. Humidex 34. UV index 7 or high. Sunday night..Mainly cloudy. 40 percent chance of showers early in the evening with risk of a thunderstorm. Wind northeast 20 km/h becoming light in the evening. Low 18. Strathroy - Komoka - Western Middlesex County. Tonight..Partly cloudy. 30 percent chance of showers early this evening with risk of a thunderstorm. Low 20. Sunday..Mainly cloudy with 40 percent chance of showers and risk of a thunderstorm. Wind east 20 km/h. High 26. Humidex 34. UV index 8 or very high. Sunday night..Partly cloudy with 40 percent chance of showers. Risk of a thunderstorm early in the evening. Wind east 20 km/h becoming light in the evening. Low 18. London - Parkhill - Eastern Middlesex County. Tonight..Partly cloudy. 30 percent chance of showers early this evening with risk of a thunderstorm. Wind becoming east 20 km/h before morning. Low 20. Sunday..Mainly cloudy with 40 percent chance of showers and risk of a thunderstorm. Wind east 20 km/h gusting to 40. High 26. Humidex 31. UV index 9 or very high. Sunday night..Partly cloudy with 40 percent chance of showers. Risk of a thunderstorm early in the evening. Wind east 20 km/h gusting to 40 becoming light in the evening. Wind becoming northeast 20 before morning. Low 19. Simcoe - Delhi - Norfolk. Tonight..Mainly cloudy. 40 percent chance of showers early this evening with risk of a thunderstorm. Wind north 20 km/h becoming light this evening. Low 19. Sunday..Mainly cloudy with 40 percent chance of showers and risk of a thunderstorm. Wind becoming northeast 20 km/h gusting to 40 in the morning. High 24. Humidex 31. UV index 8 or very high. Sunday night..Mainly cloudy. 40 percent chance of showers early in the evening with risk of a thunderstorm. Wind northeast 20 km/h gusting to 40 becoming light in the evening. Low 16. Dunnville - Caledonia - Haldimand. Tonight..Mainly cloudy. 40 percent chance of showers early this evening with risk of a thunderstorm. Wind north 20 km/h becoming light early this evening. Low 19. Sunday..Mainly cloudy with 40 percent chance of showers and risk of a thunderstorm. Wind becoming northeast 20 km/h in the morning. High 24. Humidex 30. UV index 8 or very high. Sunday night..Mainly cloudy. 40 percent chance of showers early in the evening with risk of a thunderstorm. Wind northeast 20 km/h becoming light in the evening. Low 19. Woodstock - Tillsonburg - Oxford County. Tonight..Mainly cloudy. 40 percent chance of showers early this evening with risk of a thunderstorm. Wind east 30 km/h becoming light this evening. Wind becoming east 20 before morning. Low 20. Sunday..Mainly cloudy with 40 percent chance of showers and risk of a thunderstorm. Wind northeast 20 km/h gusting to 40. High 25. Humidex 30. UV index 8 or very high. Sunday night..Partly cloudy. 40 percent chance of showers early in the evening with risk of a thunderstorm. Wind east 20 km/h gusting to 40 becoming light near midnight. Low 18. Brantford - County of Brant. Tonight..Mainly cloudy. 40 percent chance of showers early this evening with risk of a thunderstorm. Wind becoming northeast 30 km/h then light this evening. Low 20. Sunday..Mainly cloudy with 40 percent chance of showers and risk of a thunderstorm. Wind becoming northeast 20 km/h in the morning. High 24. Humidex 29. UV index 8 or very high. Sunday night..Partly cloudy. 40 percent chance of showers early in the evening with risk of a thunderstorm. Wind northeast 20 km/h becoming light in the evening. Low 18. Niagara Falls - Welland - Southern Niagara Region. Tonight..Mainly cloudy. 40 percent chance of showers early this evening with risk of a thunderstorm. Low 21. Sunday..Mainly cloudy with 40 percent chance of showers and risk of a thunderstorm. Wind becoming northeast 20 km/h late in the morning. High 26. Humidex 33. UV index 8 or very high. Sunday night..Cloudy. 40 percent chance of showers early in the evening with risk of a thunderstorm. Low 21. St. Catharines - Grimsby - Northern Niagara Region. Tonight..Mainly cloudy. 40 percent chance of showers early this evening with risk of a thunderstorm. Low 19. Sunday..Mainly cloudy with 40 percent chance of showers and risk of a thunderstorm. Wind becoming northeast 20 km/h in the afternoon. High 24. Humidex 31. UV index 9 or very high. Sunday night..Partly cloudy. 40 percent chance of showers early in the evening with risk of a thunderstorm. Low 20. City of Hamilton. Tonight..Mainly cloudy. 40 percent chance of showers early this evening with risk of a thunderstorm. Wind north 30 km/h becoming light early this evening. Low 19. Sunday..Mainly cloudy with 40 percent chance of showers and risk of a thunderstorm. Wind becoming northeast 20 km/h late in the morning. High 24. Humidex 30. UV index 9 or very high. Sunday night..Partly cloudy. 40 percent chance of showers early in the evening with risk of a thunderstorm. Wind northeast 20 km/h becoming light in the evening. Low 19. Burlington - Oakville. Tonight..Mainly cloudy. 40 percent chance of showers early this evening with risk of a thunderstorm. Low 19. Sunday..A mix of sun and cloud. High 25. Humidex 31. UV index 9 or very high. Sunday night..A few clouds. Wind becoming northeast 20 km/h before morning. Low 19. Halton Hills - Milton. Tonight..Mainly cloudy. 40 percent chance of showers early this evening with risk of a thunderstorm. Low 19. Sunday..A mix of sun and cloud. Wind becoming east 20 km/h in the afternoon. High 25. Humidex 31. UV index 9 or very high. Sunday night..Clear. Low 19. Mississauga - Brampton. Tonight..Partly cloudy. 40 percent chance of showers early this evening with risk of a thunderstorm. Low 20. Sunday..A mix of sun and cloud. High 26. Humidex 31. UV index 9 or very high. Sunday night..Clear. Low 18. Caledon. Tonight..Mainly cloudy. 40 percent chance of showers early this evening with risk of a thunderstorm. Low 19. Sunday..A mix of sun and cloud. High 25. Humidex 30. UV index 9 or very high. Sunday night..Clear. Low 17. Vaughan - Richmond Hill - Markham. Tonight..Partly cloudy. 40 percent chance of showers early this evening with risk of a thunderstorm. Low 19. Sunday..Mainly sunny. High 25. Humidex 30. UV index 9 or very high. Sunday night..Clear. Low 18. Newmarket - Georgina - Northern York Region. Tonight..Partly cloudy. 40 percent chance of showers early this evening with risk of a thunderstorm. Low 19. Sunday..Mainly sunny. High 25. Humidex 30. UV index 9 or very high. Sunday night..Clear. Low 18. Pickering - Oshawa - Southern Durham Region. Tonight..Partly cloudy. 40 percent chance of showers early this evening with risk of a thunderstorm. Low 19. Sunday..Mainly sunny. High 26. Humidex 31. UV index 9 or very high. Sunday night..Clear. Wind becoming east 20 km/h before morning. Low 18. Uxbridge - Beaverton - Northern Durham Region. Tonight..Partly cloudy. 40 percent chance of showers early this evening with risk of a thunderstorm. Low 19. Sunday..Mainly sunny. High 24. Humidex 29. UV index 9 or very high. Sunday night..Clear. Low 18. Goderich - Bluewater - Southern Huron County. Tonight..Partly cloudy. 30 percent chance of showers early this evening. Low 19. Sunday..A mix of sun and cloud with 40 percent chance of showers and risk of a thunderstorm. Wind east 20 km/h becoming light late in the morning. High 26. Humidex 33. UV index 9 or very high. Sunday night..Partly cloudy with 40 percent chance of showers early in the evening then clear. Risk of a thunderstorm early in the evening. Wind becoming northeast 20 km/h before morning. Low 19. Wingham - Blyth - Northern Huron County. Tonight..Partly cloudy. 30 percent chance of showers early this evening. Low 19. Sunday..A mix of sun and cloud with 40 percent chance of showers and risk of a thunderstorm. High 26. Humidex 33. UV index 9 or very high. Sunday night..Partly cloudy with 40 percent chance of showers early in the evening. Otherwise clear. Risk of a thunderstorm early in the evening. Low 19. Stratford - Mitchell - Southern Perth County. Tonight..Mainly cloudy. 30 percent chance of showers early this evening. Low 19. Sunday..A mix of sun and cloud with 40 percent chance of showers and risk of a thunderstorm. Wind becoming east 20 km/h in the morning. High 26. Humidex 33. UV index 8 or very high. Sunday night..Partly cloudy with 40 percent chance of showers early in the evening. Otherwise clear. Risk of a thunderstorm early in the evening. Wind east 20 km/h. Low 19. Listowel - Milverton - Northern Perth County. Tonight..Cloudy with 30 percent chance of showers early this evening then partly cloudy. Low 19. Sunday..A mix of sun and cloud with 40 percent chance of showers and risk of a thunderstorm. Wind becoming east 20 km/h in the afternoon. High 26. Humidex 33. UV index 9 or very high. Sunday night..Partly cloudy with 40 percent chance of showers early in the evening. Otherwise clear. Risk of a thunderstorm early in the evening. Low 19. Kitchener - Cambridge - Region of Waterloo. Tonight..Mainly cloudy. 40 percent chance of showers early this evening with risk of a thunderstorm. Wind north 30 km/h gusting to 50 becoming light early this evening. Low 17. Sunday..A mix of sun and cloud with 40 percent chance of showers and risk of a thunderstorm. Wind becoming east 20 km/h in the morning. High 25. Humidex 30. UV index 9 or very high. Sunday night..Partly cloudy with 40 percent chance of showers early in the evening. Otherwise clear. Risk of a thunderstorm early in the evening. Wind east 20 km/h becoming light in the evening. Low 18. Guelph - Erin - Southern Wellington County. Tonight..Mainly cloudy. 40 percent chance of showers early this evening with risk of a thunderstorm. Wind north 20 km/h becoming light early this evening. Low 17. Sunday..A mix of sun and cloud. Wind becoming east 20 km/h late in the morning. High 25. Humidex 30. UV index 9 or very high. Sunday night..Clear. Low 18. Mount Forest - Arthur - Northern Wellington County. Tonight..Partly cloudy. 40 percent chance of showers early this evening with risk of a thunderstorm. Low 17. Sunday..A mix of sun and cloud. Wind becoming east 20 km/h late in the morning. High 23. Humidex 28. UV index 9 or very high. Sunday night..Clear. Low 18. Orangeville - Grand Valley - Southern Dufferin County. Tonight..Mainly cloudy. 40 percent chance of showers early this evening with risk of a thunderstorm. Low 18. Sunday..A mix of sun and cloud. High 23. Humidex 29. UV index 9 or very high. Sunday night..Clear. Low 16. Shelburne - Mansfield - Northern Dufferin County. Tonight..Partly cloudy. 40 percent chance of showers early this evening with risk of a thunderstorm. Low 18. Sunday..A mix of sun and cloud. High 23. Humidex 29. UV index 9 or very high. Sunday night..Clear. Low 16. Innisfil - New Tecumseth - Angus. Tonight..Mainly cloudy. 40 percent chance of showers early this evening with risk of a thunderstorm. Low 18. Sunday..Clearing in the morning. High 25. Humidex 30. UV index 9 or very high. Sunday night..Clear. Low 16. Saugeen Shores - Kincardine - Southern Bruce County. Tonight..Mainly cloudy with 60 percent chance of showers early this evening. Clearing this evening. Low 16. Sunday..A mix of sun and cloud. Wind becoming northeast 20 km/h late in the afternoon. High 27. Humidex 30. UV index 9 or very high. Sunday night..Clearing late in the evening. Wind northeast 20 km/h becoming light in the evening. Low 17. Bruce Peninsula - Sauble Beach - Tobermory. Tonight..Partly cloudy. 30 percent chance of showers early this evening. Wind becoming northeast 20 km/h before morning. Low 16. Sunday..Sunny. Wind northeast 20 km/h. High 27. Humidex 30. UV index 9 or very high. Sunday night..Clear. Low 17. Hanover - Dundalk - Southern Grey County. Tonight..Partly cloudy. 60 percent chance of showers early this evening. Low 17. Sunday..A mix of sun and cloud. High 24. Humidex 29. UV index 9 or very high. Sunday night..Clear. Low 15. Owen Sound - Blue Mountains - Northern Grey County. Tonight..Partly cloudy. 30 percent chance of showers early this evening. Low 17. Sunday..Clearing. Wind becoming northeast 20 km/h in the afternoon. High 24. Humidex 29. UV index 9 or very high. Sunday night..Clear. Wind north 20 km/h becoming light in the evening. Low 15. Barrie - Collingwood - Hillsdale. Tonight..Mainly cloudy. 40 percent chance of showers early this evening. Low 15. Sunday..Clearing in the morning. High 25. Humidex 30. UV index 9 or very high. Sunday night..Clear. Low 16. Midland - Coldwater - Orr Lake. Tonight..Mainly cloudy. 40 percent chance of showers early this evening. Low 15. Sunday..Clearing in the morning. High 25. Humidex 30. UV index 9 or very high. Sunday night..Clear. Low 16. Orillia - Lagoon City - Washago. Tonight..Partly cloudy. 40 percent chance of showers early this evening. Low 15. Sunday..Mainly sunny. High 25. Humidex 30. UV index 9 or very high. Sunday night..Clear. Wind becoming east 30 km/h in the evening. Low 16. Cobourg - Colborne - Western Northumberland County. Tonight..Partly cloudy with 60 percent chance of showers early this evening and risk of a thunderstorm. Clearing this evening. Low 17. Sunday..Sunny. High 26. Humidex 29. UV index 9 or very high. Sunday night..Clear. Low 18. Belleville - Quinte West - Eastern Northumberland County. Tonight..Partly cloudy with 60 percent chance of showers early this evening and risk of a thunderstorm. Clearing this evening. Low 17. Sunday..Sunny. High 26. Humidex 29. UV index 9 or very high. Sunday night..Clear. Low 18. Picton - Sandbanks Park. Tonight..Partly cloudy with 60 percent chance of showers early this evening and risk of a thunderstorm. Clearing this evening. Low 17. Sunday..Sunny. High 26. Humidex 29. UV index 9 or very high. Sunday night..Clear. Low 18. Napanee - Consecon. Tonight..Partly cloudy with 60 percent chance of showers early this evening and risk of a thunderstorm. Clearing this evening. Low 17. Sunday..Sunny. High 26. Humidex 29. UV index 9 or very high. Sunday night..Clear. Low 18. Kingston - Odessa - Frontenac Islands. Tonight..Partly cloudy with 60 percent chance of showers early this evening and risk of a thunderstorm. Clearing this evening. Low 17. Sunday..Sunny. Wind becoming northeast 20 km/h late in the afternoon. High 26. Humidex 29. UV index 9 or very high. Sunday night..Clear. Wind northeast 20 km/h becoming light after midnight. Low 18. Lindsay - Southern Kawartha Lakes. Tonight..Partly cloudy. 40 percent chance of showers early this evening with risk of a thunderstorm. Low 14. Sunday..Mainly sunny. High 25. Humidex 28. UV index 9 or very high. Sunday night..Clear. Low 15. Fenelon Falls - Balsam Lake Park - Northern Kawartha Lakes. Tonight..Partly cloudy. 40 percent chance of showers early this evening with risk of a thunderstorm. Clearing late this evening. Low 14. Sunday..Sunny. High 25. Humidex 28. UV index 9 or very high. Sunday night..Clear. Low 15. Peterborough City - Lakefield - Southern Peterborough County. Tonight..Partly cloudy with 40 percent chance of showers early this evening and risk of a thunderstorm. Clearing this evening. Low 14. Sunday..Mainly sunny. High 25. Humidex 28. UV index 9 or very high. Sunday night..Clear. Low 15. Apsley - Woodview - Northern Peterborough County. Tonight..Partly cloudy with 40 percent chance of showers early this evening and risk of a thunderstorm. Clearing this evening. Low 14. Sunday..Sunny. Wind northeast 20 km/h becoming light late in the morning. High 25. Humidex 28. UV index 9 or very high. Sunday night..Clear. Low 15. Stirling - Tweed - Madoc. Tonight..Partly cloudy with 40 percent chance of showers early this evening. Otherwise clear. Risk of a thunderstorm early this evening. Low 16. Sunday..Sunny. High 26. Humidex 28. UV index 9 or very high. Sunday night..Clear. Low 19. Tamworth - Sydenham - South Frontenac. Tonight..Partly cloudy with 60 percent chance of showers early this evening. Otherwise clear. Risk of a thunderstorm early this evening. Low 16. Sunday..Sunny. High 26. Humidex 28. UV index 9 or very high. Sunday night..Clear. Low 19. Kaladar - Bannockburn - Bon Echo Park. Tonight..Partly cloudy with 40 percent chance of showers early this evening. Otherwise clear. Risk of a thunderstorm early this evening. Low 15. Sunday..Sunny. High 25. Humidex 28. UV index 9 or very high. Sunday night..Clear. Low 18. Bancroft - Hastings Highlands - Denbigh. Tonight..Clearing early this evening. Low 10. Sunday..Sunny. High 25. Humidex 27. UV index 8 or very high. Sunday night..Clear. Low 13. Gananoque - Mallorytown. Tonight..Partly cloudy with 40 percent chance of showers early this evening. Otherwise clear. Low 16. Sunday..Sunny. High 26. Humidex 29. UV index 8 or very high. Sunday night..Clear. Low 19. Brockville - Prescott. Tonight..Clearing early this evening. Low 16. Sunday..Sunny. High 26. Humidex 29. UV index 8 or very high. Sunday night..Clear. Low 19. Westport - Charleston Lake. Tonight..Partly cloudy with 40 percent chance of showers early this evening. Otherwise clear. Low 16. Sunday..Sunny. High 26. Humidex 29. UV index 8 or very high. Sunday night..Clear. Low 19. Merrickville-Wolford - Kemptville. Tonight..Clearing. Low 14. Sunday..Sunny. High 28. Humidex 31. UV index 8 or very high. Sunday night..Clear. Low 16. Ottawa North - Kanata - Orl‚ans. Tonight..Clearing early this evening. Wind north 20 km/h becoming light early this evening. Low 14. Sunday..Sunny. High 28. Humidex 31. UV index 8 or very high. Sunday night..Clear. Low 17. Ottawa South - Richmond - Metcalfe. Tonight..Clearing early this evening. Wind north 20 km/h becoming light early this evening. Low 14. Sunday..Sunny. High 28. Humidex 31. UV index 8 or very high. Sunday night..Clear. Low 17. Gatineau. Tonight..Clearing early this evening. Wind north 20 km/h becoming light this evening. Low 13. Sunday..Mainly sunny. High 28. Humidex 31. UV index 8 or very high. Sunday night..Clear. Low 16. Prescott and Russell. Tonight..Clearing. Wind northwest 20 km/h becoming light early this evening. Low 14. Sunday..Sunny. High 27. Humidex 32. UV index 8 or very high. Sunday night..Clear. Low 17. Morrisburg - Long Sault. Tonight..Clearing. Low 14. Sunday..Sunny. High 26. Humidex 29. UV index 8 or very high. Sunday night..Clear. Wind becoming east 20 km/h before morning. Low 18. Cornwall - Lancaster. Tonight..Clearing. Low 14. Sunday..Sunny. High 26. Humidex 29. UV index 8 or very high. Sunday night..Clear. Low 18. Winchester - Newington. Tonight..Clearing. Low 14. Sunday..Sunny. High 26. Humidex 29. UV index 8 or very high. Sunday night..Clear. Low 18. Maxville - Alexandria. Tonight..Partly cloudy. Clearing this evening. Wind northwest 20 km/h becoming light early this evening. Low 12. Sunday..Sunny. High 27. Humidex 30. UV index 8 or very high. Sunday night..Clear. Wind becoming northeast 20 km/h before morning. Low 15. Plevna - Sharbot Lake - Western Lanark County. Tonight..Clearing early this evening. Wind north 20 km/h becoming light this evening. Low 14. Sunday..Sunny. High 27. Humidex 30. UV index 8 or very high. Sunday night..Clear. Low 18. Smiths Falls - Perth - Eastern Lanark County. Tonight..Clearing early this evening. Low 14. Sunday..Sunny. High 27. Humidex 30. UV index 8 or very high. Sunday night..Clear. Low 18. Port Carling - Port Severn. Tonight..Mainly cloudy. Low 14. Sunday..Clearing in the morning. High 26. Humidex 29. UV index 8 or very high. Sunday night..Clear. Low 15. Bracebridge - Gravenhurst. Tonight..Mainly cloudy. Clearing this evening. Low 14. Sunday..Sunny. Wind east 20 km/h becoming light late in the morning. High 26. Humidex 29. UV index 8 or very high. Sunday night..Clear. Low 15. Town of Parry Sound - Rosseau - Killbear Park. Tonight..Clearing early this evening. Wind becoming northeast 30 km/h early this evening then light after midnight. Low 14. Sunday..Sunny. Wind northeast 20 km/h becoming light late in the morning. High 26. Humidex 29. UV index 8 or very high. Sunday night..Clear. Low 15. Huntsville - Baysville. Tonight..Clearing early this evening. Low 14. Sunday..Sunny. High 26. Humidex 29. UV index 8 or very high. Sunday night..Clear. Low 15. Haliburton - Minden - Southern Haliburton County. Tonight..Clearing early this evening. Low 14. Sunday..Sunny. Wind northeast 20 km/h becoming light late in the morning. High 25. Humidex 28. UV index 8 or very high. Sunday night..Clear. Low 17. Oxtongue Lake - Fort Irwin - Northern Haliburton County. Tonight..Clearing early this evening. Low 14. Sunday..Sunny. Wind northeast 20 km/h becoming light late in the morning. High 25. Humidex 28. UV index 8 or very high. Sunday night..Clear. Low 17. Barry's Bay - Killaloe. Tonight..Clear. Low 14. Sunday..Sunny. High 27. Humidex 31. UV index 8 or very high. Sunday night..Clear. Low 16. Renfrew - Arnprior - Calabogie. Tonight..Clear. Low 14. Sunday..Sunny. High 27. Humidex 31. UV index 8 or very high. Sunday night..Clear. Low 16. Petawawa - Pembroke - Cobden. Tonight..Clear. Low 14. Sunday..Sunny. High 27. Humidex 31. UV index 8 or very high. Sunday night..Clear. Low 16. Western Algonquin Park - Lake of Two Rivers. Tonight..Clear. Low 8. Sunday..Sunny. High 25. Humidex 27. UV index 8 or very high. Sunday night..Clear. Low 11. Deep River - Whitney - Eastern Algonquin Park. Tonight..Clear. Low 8. Sunday..Sunny. High 25. Humidex 27. UV index 8 or very high. Sunday night..Clear. Low 11. Bayfield Inlet - Dunchurch. Tonight..Clear. Low 13. Sunday..Sunny. High 27. Humidex 28. UV index 8 or very high. Sunday night..Clear. Low 14. South River - Burk's Falls. Tonight..Clear. Low 13. Sunday..Sunny. High 27. Humidex 28. UV index 8 or very high. Sunday night..Clear. Low 14. End $$$$^^ --- up 3 days, 4 hours, 59 minutes * Origin: Northern Realms (618:400/23) .