Subj : Southern Ontario Weather To : All From : Northern Realms Date : Sun Oct 12 2025 11:05:00 FPCN11 CWTO 121500 Forecasts for Southern Ontario and the National Capital Region issued by Environment Canada at 11:00 a.m. EDT Sunday 12 October 2025 for today and Monday. The next scheduled forecast will be issued at 3:30 p.m. EDT. City of Toronto. Today..A mix of sun and cloud. High 18. UV index 3 or moderate. Tonight..Clear. Becoming partly cloudy after midnight. Fog patches developing overnight. Low 8. Monday..Mainly cloudy. Fog patches dissipating in the morning. High 18. UV index 4 or moderate. Windsor - Leamington - Essex County. Today..Mainly sunny. Wind east 20 km/h gusting to 40. High 21. UV index 4 or moderate. Tonight..Clear. Becoming partly cloudy late this evening. Fog patches developing overnight. Wind east 20 km/h becoming light near midnight. Low 10. Monday..A mix of sun and cloud. Fog patches dissipating in the morning. High 22. UV index 5 or moderate. Chatham-Kent - Rondeau Park. Today..Mainly sunny. Wind east 20 km/h gusting to 40. High 21. UV index 4 or moderate. Tonight..A few clouds. Fog patches developing overnight. Wind east 20 km/h becoming light near midnight. Low 10. Monday..Sunny. Fog patches dissipating in the morning. High 22. UV index 5 or moderate. Sarnia - Petrolia - Western Lambton County. Today..Mainly sunny. Wind east 20 km/h gusting to 40. High 21. UV index 4 or moderate. Tonight..Clear. Fog patches developing overnight. Wind east 20 km/h becoming light near midnight. Low 10. Monday..Sunny. Fog patches dissipating in the morning. High 22. UV index 5 or moderate. Watford - Pinery Park - Eastern Lambton County. Today..Mainly sunny. Wind east 20 km/h gusting to 40. High 21. UV index 4 or moderate. Tonight..Clear. Wind east 20 km/h becoming light near midnight. Low 7. Monday..Increasing cloudiness. Wind becoming east 20 km/h near noon. High 20. UV index 5 or moderate. Rodney - Shedden - Western Elgin County. Today..A mix of sun and cloud. Clearing late this afternoon. Wind east 20 km/h gusting to 40. High 21. UV index 4 or moderate. Tonight..A few clouds. Wind east 20 km/h becoming light near midnight. Low 7. Monday..Sunny. Wind becoming east 20 km/h near noon. High 20. UV index 5 or moderate. St. Thomas - Aylmer - Eastern Elgin County. Today..A mix of sun and cloud. Wind east 20 km/h gusting to 40. High 21. UV index 4 or moderate. Tonight..Clear. Wind east 20 km/h becoming light near midnight. Low 7. Monday..Sunny. Wind becoming east 20 km/h near noon. High 20. UV index 5 or moderate. Strathroy - Komoka - Western Middlesex County. Today..A mix of sun and cloud. Wind east 20 km/h gusting to 40. High 21. UV index 4 or moderate. Tonight..Clear. Wind east 20 km/h becoming light near midnight. Low 7. Monday..Sunny. Wind becoming east 20 km/h near noon. High 20. UV index 5 or moderate. London - Parkhill - Eastern Middlesex County. Today..A mix of sun and cloud. Wind east 20 km/h gusting to 40. High 21. UV index 4 or moderate. Tonight..Clear. Wind east 20 km/h becoming light near midnight. Low 7. Monday..Sunny. Wind becoming east 20 km/h near noon. High 20. UV index 5 or moderate. Simcoe - Delhi - Norfolk. Today..A mix of sun and cloud. Wind east 20 km/h gusting to 40. High 21. UV index 4 or moderate. Tonight..Clear. Wind east 20 km/h becoming light near midnight. Low 7. Monday..Sunny. Becoming a mix of sun and cloud in the afternoon. Wind becoming east 20 km/h near noon. High 20. UV index 5 or moderate. Dunnville - Caledonia - Haldimand. Today..Mainly cloudy. Wind east 20 km/h gusting to 40. High 21. UV index 4 or moderate. Tonight..Clear. Fog patches developing overnight. Low 10. Monday..Mainly sunny. Increasing cloudiness late in the morning. Fog patches dissipating in the morning. High 19. UV index 5 or moderate. Woodstock - Tillsonburg - Oxford County. Today..Mainly cloudy. Wind east 20 km/h gusting to 40. High 21. UV index 4 or moderate. Tonight..Clearing this evening. Wind east 20 km/h becoming light near midnight. Low 7. Monday..Mainly sunny. Wind becoming east 20 km/h near noon. High 20. UV index 4 or moderate. Brantford - County of Brant. Today..Mainly cloudy. Wind east 20 km/h gusting to 40. High 18. UV index 4 or moderate. Tonight..Clear. Fog patches developing overnight. Low 9. Monday..Increasing cloudiness. Fog patches dissipating in the morning. Wind becoming east 20 km/h near noon. High 17. UV index 4 or moderate. Niagara Falls - Welland - Southern Niagara Region. Today..A mix of sun and cloud. Wind east 20 km/h gusting to 40. High 21. UV index 4 or moderate. Tonight..Clear. Fog patches developing overnight. Low 10. Monday..Increasing cloudiness in the morning. Fog patches dissipating in the morning. High 19. UV index 4 or moderate. St. Catharines - Grimsby - Northern Niagara Region. Today..A mix of sun and cloud. Wind east 20 km/h gusting to 40. High 21. UV index 4 or moderate. Tonight..Clear. Fog patches developing overnight. Low 10. Monday..Increasing cloudiness in the morning. Fog patches dissipating in the morning. High 19. UV index 3 or moderate. City of Hamilton. Today..A mix of sun and cloud. Wind east 20 km/h gusting to 40. High 18. UV index 4 or moderate. Tonight..Clear. Fog patches developing overnight. Low 9. Monday..A mix of sun and cloud. Becoming cloudy near noon. Fog patches dissipating in the morning. Wind becoming east 20 km/h near noon. High 17. UV index 4 or moderate. Burlington - Oakville. Today..Mainly cloudy. Wind east 20 km/h gusting to 40. High 18. UV index 4 or moderate. Tonight..Clear. Fog patches developing overnight. Low 9. Monday..A mix of sun and cloud. Becoming cloudy in the morning. Fog patches dissipating in the morning. Wind becoming east 20 km/h near noon. High 17. UV index 4 or moderate. Halton Hills - Milton. Today..Mainly cloudy. Wind east 20 km/h gusting to 40. High 18. UV index 3 or moderate. Tonight..Clear. Becoming partly cloudy overnight. Fog patches developing after midnight. Wind east 20 km/h gusting to 40 becoming light near midnight. Low 7. Monday..Mainly cloudy. Fog patches dissipating in the morning. High 17. UV index 3 or moderate. Mississauga - Brampton. Today..Mainly cloudy. Wind east 20 km/h gusting to 40. High 18. UV index 4 or moderate. Tonight..Clear. Becoming partly cloudy overnight. Fog patches developing overnight. Low 9. Monday..Mainly cloudy. Fog patches dissipating in the morning. Wind becoming east 20 km/h near noon. High 17. UV index 4 or moderate. Caledon. Today..Cloudy. Wind east 20 km/h gusting to 40. High 18. UV index 3 or moderate. Tonight..A few clouds. Fog patches developing after midnight. Wind east 20 km/h gusting to 40 becoming light near midnight. Low 7. Monday..Mainly cloudy. Fog patches dissipating in the morning. High 17. UV index 4 or moderate. Vaughan - Richmond Hill - Markham. Today..Mainly cloudy. Wind east 20 km/h gusting to 40. High 18. UV index 3 or moderate. Tonight..Clear. Becoming partly cloudy after midnight. Fog patches developing overnight. Low 8. Monday..Mainly cloudy. Fog patches dissipating in the morning. Wind becoming east 20 km/h near noon. High 18. UV index 4 or moderate. Newmarket - Georgina - Northern York Region. Today..Mainly cloudy. Wind southeast 20 km/h gusting to 40. High 19. UV index 3 or moderate. Tonight..A few clouds. Fog patches developing overnight. Low 7. Monday..A mix of sun and cloud. Fog patches dissipating in the morning. High 19. UV index 4 or moderate. Pickering - Oshawa - Southern Durham Region. Today..A mix of sun and cloud. Wind east 20 km/h gusting to 40. High 18. UV index 4 or moderate. Tonight..Clear. Becoming partly cloudy near midnight. Fog patches developing overnight. Low 8. Monday..Mainly cloudy. Fog patches dissipating in the morning. Wind becoming east 20 km/h near noon. High 18. UV index 4 or moderate. Uxbridge - Beaverton - Northern Durham Region. Today..A mix of sun and cloud. Wind southeast 20 km/h gusting to 40. High 19. UV index 4 or moderate. Tonight..A few clouds. Fog patches developing overnight. Low 7. Monday..A mix of sun and cloud. Fog patches dissipating in the morning. High 19. UV index 4 or moderate. Goderich - Bluewater - Southern Huron County. Today..A mix of sun and cloud. Wind east 20 km/h gusting to 40. High 21. UV index 4 or moderate. Tonight..Clear. Fog patches developing after midnight. Wind east 20 km/h gusting to 40 becoming light near midnight. Low 7. Monday..Sunny. Fog patches dissipating in the morning. High 21. UV index 4 or moderate. Wingham - Blyth - Northern Huron County. Today..Increasing cloudiness early this afternoon. Wind east 20 km/h gusting to 40. High 21. UV index 4 or moderate. Tonight..Clearing this evening. Fog patches developing after midnight. Wind east 20 km/h gusting to 40 becoming light near midnight. Low 7. Monday..Sunny. Fog patches dissipating in the morning. High 21. UV index 4 or moderate. Stratford - Mitchell - Southern Perth County. Today..Mainly cloudy. Wind east 20 km/h gusting to 40. High 21. UV index 3 or moderate. Tonight..Clearing this evening. Fog patches developing after midnight. Wind east 20 km/h gusting to 40 becoming light near midnight. Low 7. Monday..Mainly sunny. Fog patches dissipating in the morning. High 21. UV index 4 or moderate. Listowel - Milverton - Northern Perth County. Today..Mainly cloudy. Wind east 20 km/h gusting to 40. High 18. UV index 3 or moderate. Tonight..Clearing this evening. Fog patches developing after midnight. Wind east 20 km/h gusting to 40 becoming light near midnight. Low 7. Monday..Mainly sunny. Fog patches dissipating in the morning. High 18. UV index 4 or moderate. Kitchener - Cambridge - Region of Waterloo. Today..Mainly cloudy. Wind east 20 km/h gusting to 40. High 18. UV index 4 or moderate. Tonight..A few clouds. Fog patches developing after midnight. Wind east 20 km/h gusting to 40 becoming light near midnight. Low 7. Monday..A mix of sun and cloud. Fog patches dissipating in the morning. High 18. UV index 4 or moderate. Guelph - Erin - Southern Wellington County. Today..Mainly cloudy. Wind east 20 km/h gusting to 40. High 18. UV index 3 or moderate. Tonight..A few clouds. Fog patches developing after midnight. Wind east 20 km/h gusting to 40 becoming light near midnight. Low 7. Monday..Mainly cloudy. Fog patches dissipating in the morning. High 17. UV index 4 or moderate. Mount Forest - Arthur - Northern Wellington County. Today..Mainly cloudy. Wind east 20 km/h gusting to 40. High 18. UV index 4 or moderate. Tonight..Clearing this evening. Fog patches developing after midnight. Wind east 20 km/h gusting to 40 becoming light near midnight. Low 7. Monday..A mix of sun and cloud. Fog patches dissipating in the morning. High 18. UV index 4 or moderate. Orangeville - Grand Valley - Southern Dufferin County. Today..Cloudy. Wind east 20 km/h gusting to 40. High 18. UV index 3 or moderate. Tonight..A few clouds. Fog patches developing after midnight. Wind east 20 km/h gusting to 40 becoming light near midnight. Low 7. Monday..Mainly cloudy. Fog patches dissipating in the morning. High 18. UV index 4 or moderate. Shelburne - Mansfield - Northern Dufferin County. Today..Cloudy. Wind east 20 km/h gusting to 40. High 18. UV index 3 or moderate. Tonight..Clearing late this evening. Fog patches developing after midnight. Wind east 20 km/h gusting to 40 becoming light near midnight. Low 7. Monday..Mainly cloudy. Fog patches dissipating in the morning. High 18. UV index 4 or moderate. Innisfil - New Tecumseth - Angus. Today..Cloudy. Wind southeast 20 km/h gusting to 40. High 19. UV index 3 or moderate. Tonight..Clearing late this evening. Fog patches developing overnight. Low 7. Monday..A mix of sun and cloud. Fog patches dissipating in the morning. High 19. UV index 4 or moderate. Saugeen Shores - Kincardine - Southern Bruce County. Today..A mix of sun and cloud. Wind east 20 km/h gusting to 40. High 21. UV index 4 or moderate. Tonight..Clearing this evening. Fog patches developing after midnight. Wind east 20 km/h gusting to 40 becoming light near midnight. Low 7. Monday..Sunny. Fog patches dissipating in the morning. High 21. UV index 4 or moderate. Bruce Peninsula - Sauble Beach - Tobermory. Today..A mix of sun and cloud. Wind southeast 20 km/h gusting to 40. High 19. UV index 4 or moderate. Tonight..Clear. Fog patches developing after midnight. Wind southeast 20 km/h gusting to 40. Low 8. Monday..Sunny. Fog patches dissipating in the morning. Wind southeast 20 km/h. High 18. UV index 4 or moderate. Hanover - Dundalk - Southern Grey County. Today..Mainly cloudy. Wind east 20 km/h gusting to 40. High 18. UV index 3 or moderate. Tonight..Clearing late this evening. Fog patches developing after midnight. Wind east 20 km/h gusting to 40 becoming light near midnight. Low 7. Monday..Mainly sunny. Fog patches dissipating in the morning. High 18. UV index 4 or moderate. Owen Sound - Blue Mountains - Northern Grey County. Today..A mix of sun and cloud. Wind east 20 km/h gusting to 40. High 18. UV index 4 or moderate. Tonight..Partly cloudy. Becoming clear this evening. Fog patches developing after midnight. Wind east 20 km/h gusting to 40 becoming light near midnight. Low 7. Monday..Sunny. Fog patches dissipating in the morning. High 18. UV index 4 or moderate. Barrie - Collingwood - Hillsdale. Today..Increasing cloudiness this afternoon. Wind southeast 20 km/h gusting to 40. High 18. UV index 4 or moderate. Tonight..Clearing this evening. Fog patches developing overnight. Low 7. Monday..Mainly sunny. Fog patches dissipating in the morning. High 19. UV index 4 or moderate. Midland - Coldwater - Orr Lake. Today..Increasing cloudiness this afternoon. Wind southeast 20 km/h gusting to 40. High 18. UV index 4 or moderate. Tonight..Clearing late this evening. Fog patches developing overnight. Low 7. Monday..Mainly sunny. Fog patches dissipating in the morning. High 19. UV index 4 or moderate. Orillia - Lagoon City - Washago. Today..Increasing cloudiness this afternoon. Wind southeast 20 km/h gusting to 40. High 18. UV index 4 or moderate. Tonight..Clearing this evening. Fog patches developing overnight. Low 7. Monday..A mix of sun and cloud. Fog patches dissipating in the morning. High 19. UV index 4 or moderate. Cobourg - Colborne - Western Northumberland County. Today..Mainly sunny. Wind east 20 km/h gusting to 40. High 19. UV index 4 or moderate. Tonight..Clear this evening then partly cloudy with 30 percent chance of showers overnight. Low 9. Monday..Cloudy. 30 percent chance of showers early in the morning. High 18. UV index 3 or moderate. Belleville - Quinte West - Eastern Northumberland County. Today..Clearing this afternoon. Wind east 20 km/h gusting to 40. High 19. UV index 3 or moderate. Tonight..Clear this evening then partly cloudy with 30 percent chance of showers overnight. Low 9. Monday..Cloudy. 30 percent chance of showers early in the morning. High 18. UV index 3 or moderate. Picton - Sandbanks Park. Today..Mainly sunny. Wind east 20 km/h gusting to 40. High 19. UV index 4 or moderate. Tonight..Clear this evening then partly cloudy with 30 percent chance of showers overnight. Low 9. Monday..Cloudy. 30 percent chance of showers early in the morning. High 18. UV index 3 or moderate. Napanee - Consecon. Today..Mainly sunny. Wind east 20 km/h gusting to 40. High 19. UV index 4 or moderate. Tonight..Clear this evening then partly cloudy with 30 percent chance of showers overnight. Low 9. Monday..Cloudy. 30 percent chance of showers early in the morning. High 18. UV index 3 or moderate. Kingston - Odessa - Frontenac Islands. Today..Mainly sunny. Wind east 20 km/h gusting to 40. High 19. UV index 4 or moderate. Tonight..Increasing cloudiness early this evening. 30 percent chance of showers overnight. Low 9. Monday..Cloudy. 30 percent chance of showers early in the morning. High 18. UV index 3 or moderate. Lindsay - Southern Kawartha Lakes. Today..A mix of sun and cloud. High 19. UV index 4 or moderate. Tonight..Clear. Low plus 4. Monday..A mix of sun and cloud. Becoming cloudy in the afternoon. High 19. UV index 4 or moderate. Fenelon Falls - Balsam Lake Park - Northern Kawartha Lakes. Today..A mix of sun and cloud. High 19. UV index 4 or moderate. Tonight..Clear. Low plus 2. Monday..A mix of sun and cloud. Becoming cloudy in the afternoon. High 19. UV index 4 or moderate. Peterborough City - Lakefield - Southern Peterborough County. Today..Mainly sunny. High 19. UV index 4 or moderate. Tonight..Clear. Becoming partly cloudy near midnight. Low plus 4. Monday..A mix of sun and cloud. Becoming cloudy near noon. High 19. UV index 4 or moderate. Apsley - Woodview - Northern Peterborough County. Today..Mainly sunny. High 19. UV index 4 or moderate. Tonight..Clear. Low plus 2. Monday..Increasing cloudiness in the morning. High 19. UV index 3 or moderate. Stirling - Tweed - Madoc. Today..Sunny. Wind east 20 km/h gusting to 40. High 19. UV index 4 or moderate. Tonight..Clear this evening then partly cloudy with 30 percent chance of showers overnight. Low 7. Monday..Mainly cloudy. 30 percent chance of showers early in the morning. High 17. UV index 3 or moderate. Tamworth - Sydenham - South Frontenac. Today..Mainly sunny. Wind east 20 km/h gusting to 40. High 19. UV index 4 or moderate. Tonight..Partly cloudy. 30 percent chance of showers overnight. Low 7. Monday..Cloudy. 30 percent chance of showers early in the morning. High 17. UV index 3 or moderate. Kaladar - Bannockburn - Bon Echo Park. Today..Sunny. High 19. UV index 4 or moderate. Tonight..Clear. Becoming partly cloudy late this evening. Low plus 2. Monday..A mix of sun and cloud. Becoming cloudy in the morning. High 19. UV index 3 or moderate. Bancroft - Hastings Highlands - Denbigh. Today..Sunny. High 18. UV index 4 or moderate. Tonight..Clear. Fog patches developing after midnight. Low plus 2. Monday..Increasing cloudiness in the morning. Fog patches dissipating in the morning. High 17. UV index 3 or moderate. Gananoque - Mallorytown. Today..Mainly sunny. Wind east 20 km/h gusting to 40. High 19. UV index 4 or moderate. Tonight..Partly cloudy. 30 percent chance of showers overnight. Low 7. Monday..Cloudy. 30 percent chance of showers early in the morning. High 17. UV index 3 or moderate. Brockville - Prescott. Today..Sunny. High 18. UV index 4 or moderate. Tonight..Partly cloudy. Low 7. Monday..Cloudy with 30 percent chance of showers. High 16. UV index 3 or moderate. Westport - Charleston Lake. Today..Sunny. Wind east 20 km/h gusting to 40. High 19. UV index 4 or moderate. Tonight..Partly cloudy. 30 percent chance of showers overnight. Low 7. Monday..Mainly cloudy. 30 percent chance of showers early in the morning. High 17. UV index 3 or moderate. Merrickville-Wolford - Kemptville. Today..Sunny. High 19. UV index 4 or moderate. Tonight..Clear. Becoming partly cloudy this evening. Low 7. Monday..A mix of sun and cloud with 30 percent chance of showers. High 16. UV index 4 or moderate. Ottawa North - Kanata - Orl‚ans. Today..Sunny. High 18. UV index 3 or moderate. Tonight..Clear. Becoming partly cloudy this evening. Low 7. Monday..Clear early in the morning then a mix of sun and cloud with 30 percent chance of showers. High 16. UV index 4 or moderate. Ottawa South - Richmond - Metcalfe. Today..Sunny. High 19. UV index 3 or moderate. Tonight..Clear. Becoming partly cloudy this evening. Low 7. Monday..Clear early in the morning then a mix of sun and cloud with 30 percent chance of showers. High 16. UV index 4 or moderate. Gatineau. Today..Sunny. High 20. UV index 3 or moderate. Tonight..Clear. Low 7. Monday..Clear early in the morning then a mix of sun and cloud with 30 percent chance of showers. High 16. UV index 4 or moderate. Prescott and Russell. Today..Sunny. High 19. UV index 3 or moderate. Tonight..Clear. Becoming partly cloudy this evening. Low 7. Monday..Clear early in the morning then a mix of sun and cloud with 30 percent chance of showers. High 16. UV index 4 or moderate. Morrisburg - Long Sault. Today..Sunny. High 19. UV index 3 or moderate. Tonight..Partly cloudy. Low 7. Monday..Mainly cloudy with 30 percent chance of showers. High 16. UV index 3 or moderate. Cornwall - Lancaster. Today..Sunny. High 18. UV index 3 or moderate. Tonight..Clear. Becoming partly cloudy near midnight. Low 7. Monday..Mainly cloudy with 30 percent chance of showers. High 16. UV index 3 or moderate. Winchester - Newington. Today..Sunny. High 19. UV index 3 or moderate. Tonight..Partly cloudy. Low 7. Monday..Increasing cloudiness early in the morning. 30 percent chance of showers. High 16. UV index 3 or moderate. Maxville - Alexandria. Today..Sunny. High 19. UV index 3 or moderate. Tonight..Clear. Becoming partly cloudy after midnight. Low 7. Monday..Increasing cloudiness early in the morning. 30 percent chance of showers. High 16. UV index 3 or moderate. Plevna - Sharbot Lake - Western Lanark County. Today..Sunny. High 18. UV index 3 or moderate. Tonight..Clear. Becoming partly cloudy near midnight. Fog patches developing after midnight. Low plus 5. Monday..Increasing cloudiness early in the morning. Fog patches dissipating in the morning. High 17. UV index 3 or moderate. Smiths Falls - Perth - Eastern Lanark County. Today..Sunny. High 18. UV index 3 or moderate. Tonight..Clear. Becoming partly cloudy this evening. Fog patches developing after midnight. Low plus 5. Monday..Increasing cloudiness. Fog patches dissipating in the morning. High 17. UV index 4 or moderate. Port Carling - Port Severn. Today..Mainly sunny. High 19. UV index 4 or moderate. Tonight..Clear. Low plus 5. Monday..Mainly sunny. High 19. UV index 4 or moderate. Bracebridge - Gravenhurst. Today..Mainly sunny. High 19. UV index 4 or moderate. Tonight..Clear. Low plus 5. Monday..Sunny. Becoming a mix of sun and cloud late in the morning. High 19. UV index 4 or moderate. Town of Parry Sound - Rosseau - Killbear Park. Today..Mainly sunny. High 19. UV index 4 or moderate. Tonight..Clear. Low plus 5. Monday..Sunny. High 19. UV index 4 or moderate. Huntsville - Baysville. Today..Mainly sunny. High 18. UV index 4 or moderate. Tonight..Clear. Fog patches developing after midnight. Low plus 2. Monday..Sunny. Increasing cloudiness early in the afternoon. Fog patches dissipating in the morning. High 17. UV index 4 or moderate. Haliburton - Minden - Southern Haliburton County. Today..Mainly sunny. High 18. UV index 4 or moderate. Tonight..Clear. Fog patches developing after midnight. Low plus 2. Monday..Increasing cloudiness. Fog patches dissipating in the morning. High 17. UV index 4 or moderate. Oxtongue Lake - Fort Irwin - Northern Haliburton County. Today..Sunny. High 18. UV index 4 or moderate. Tonight..Clear. Fog patches developing after midnight. Low plus 2. Monday..Increasing cloudiness. Fog patches dissipating in the morning. High 17. UV index 4 or moderate. Barry's Bay - Killaloe. Today..Sunny. High 18. UV index 4 or moderate. Tonight..Clear. Fog patches developing after midnight. Low plus 2. Monday..Sunny. Becoming a mix of sun and cloud in the morning. Fog patches dissipating in the morning. High 17. UV index 4 or moderate. Renfrew - Arnprior - Calabogie. Today..Sunny. High 18. UV index 4 or moderate. Tonight..Clear. Fog patches developing after midnight. Low plus 3. Monday..Mainly sunny. Fog patches dissipating in the morning. High 17. UV index 4 or moderate. Petawawa - Pembroke - Cobden. Today..Sunny. High 18. UV index 4 or moderate. Tonight..Clear. Fog patches developing after midnight. Low plus 3. Monday..Sunny. Fog patches dissipating in the morning. High 17. UV index 4 or moderate. Western Algonquin Park - Lake of Two Rivers. Today..Sunny. High 18. UV index 3 or moderate. Tonight..Clear. Fog patches developing after midnight. Low plus 2. Monday..Sunny. Increasing cloudiness near noon. Fog patches dissipating in the morning. High 17. UV index 4 or moderate. Deep River - Whitney - Eastern Algonquin Park. Today..Sunny. High 18. UV index 3 or moderate. Tonight..Clear. Fog patches developing after midnight. Low plus 2. Monday..Mainly sunny. Increasing cloudiness late in the morning. Fog patches dissipating in the morning. High 17. UV index 4 or moderate. Bayfield Inlet - Dunchurch. Today..Sunny. High 19. UV index 4 or moderate. Tonight..Clear. Low plus 5. Monday..Sunny. Becoming a mix of sun and cloud in the afternoon. High 19. UV index 4 or moderate. South River - Burk's Falls. Today..Sunny. High 18. UV index 4 or moderate. Tonight..Clear. Fog patches developing after midnight. Low plus 2. Monday..Sunny. Becoming a mix of sun and cloud in the afternoon. Fog patches dissipating in the morning. High 17. UV index 4 or moderate. End $$$$^^ --- up 2 days, 23 hours, 53 minutes * Origin: Northern Realms (618:400/23) .