Forecasts for Southern Ontario and the National Capital Region

Choose a Province or Territory

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* NOTE: Corrected and/or amended bulletins are listed first *

 
FPCN11 CWTO 261930
Forecasts for Southern Ontario and the National Capital Region issued
by Environment Canada at 3:30 p.m. EDT Friday 26 July 2024 for
tonight Saturday and Saturday night.
The next scheduled forecast will be issued at 5:00 a.m. EDT Saturday.

City of Toronto.
Tonight..Clear. Low 16.
Saturday..Mainly sunny. High 28. Humidex 30. UV index 8 or very high.
Saturday night..A few clouds. Low 16.

Windsor - Leamington - Essex County.
Tonight..Clear. Low 14.
Saturday..Mainly sunny. High 28. Humidex 33. UV index 9 or very high.
Saturday night..A few clouds. Low 16.

Chatham-Kent - Rondeau Park.
Tonight..Clear. Low 12.
Saturday..Mainly sunny. High 27. Humidex 32. UV index 9 or very high.
Saturday night..A few clouds. Low 14.

Sarnia - Petrolia - Western Lambton County.
Tonight..Clear. Low 13.
Saturday..Mainly sunny. High 28. Humidex 33. UV index 9 or very high.
Saturday night..A few clouds. Low 13.

Watford - Pinery Park - Eastern Lambton County.
Tonight..Clear. Low 11.
Saturday..Mainly sunny. High 28. Humidex 30. UV index 9 or very high.
Saturday night..A few clouds. Low 10.

Rodney - Shedden - Western Elgin County.
Tonight..Clear. Low 12.
Saturday..Mainly sunny. High 27. Humidex 29. UV index 9 or very high.
Saturday night..A few clouds. Low 13.

St. Thomas - Aylmer - Eastern Elgin County.
Tonight..Clear. Low 12.
Saturday..Mainly sunny. High 27. Humidex 29. UV index 9 or very high.
Saturday night..A few clouds. Low 13.

Strathroy - Komoka - Western Middlesex County.
Tonight..Clear. Low 11.
Saturday..Mainly sunny. High 28. Humidex 29. UV index 9 or very high.
Saturday night..A few clouds. Low 10.

London - Parkhill - Eastern Middlesex County.
Tonight..Clear. Low 11.
Saturday..Mainly sunny. High 28. Humidex 29. UV index 9 or very high.
Saturday night..A few clouds. Low 10.

Simcoe - Delhi - Norfolk.
Tonight..Clear. Low 12.
Saturday..Mainly sunny. High 28. Humidex 29. UV index 9 or very high.
Saturday night..A few clouds. Low 13.

Dunnville - Caledonia - Haldimand.
Tonight..Clear. Low 12.
Saturday..Mainly sunny. High 28. Humidex 29. UV index 9 or very high.
Saturday night..A few clouds. Low 13.

Woodstock - Tillsonburg - Oxford County.
Tonight..Clear. Low 12.
Saturday..Mainly sunny. High 28. Humidex 31. UV index 9 or very high.
Saturday night..A few clouds. Low 12.

Brantford - County of Brant.
Tonight..Clear. Low 12.
Saturday..Mainly sunny. High 28. Humidex 31. UV index 9 or very high.
Saturday night..A few clouds. Low 12.

Niagara Falls - Welland - Southern Niagara Region.
Tonight..Clear. Low 15.
Saturday..Mainly sunny. High 28. Humidex 31. UV index 8 or very high.
Saturday night..A few clouds. Low 15.

St. Catharines - Grimsby - Northern Niagara Region.
Tonight..Clear. Low 15.
Saturday..Mainly sunny. High 28. Humidex 31. UV index 8 or very high.
Saturday night..A few clouds. Low 15.

City of Hamilton.
Tonight..Clear. Low 14.
Saturday..Mainly sunny. High 28. Humidex 31. UV index 9 or very high.
Saturday night..A few clouds. Low 13.

Burlington - Oakville.
Tonight..Clear. Low 15.
Saturday..Mainly sunny. High 28. Humidex 32. UV index 8 or very high.
Saturday night..A few clouds. Low 15.

Halton Hills - Milton.
Tonight..Clear. Low 15.
Saturday..Mainly sunny. High 28. Humidex 32. UV index 8 or very high.
Saturday night..A few clouds. Low 14.

Mississauga - Brampton.
Tonight..Clear. Low 15.
Saturday..Mainly sunny. High 28. Humidex 32. UV index 8 or very high.
Saturday night..A few clouds. Low 15.

Caledon.
Tonight..Clear. Low 13.
Saturday..Mainly sunny. High 28. Humidex 32. UV index 8 or very high.
Saturday night..A few clouds. Low 14.

Vaughan - Richmond Hill - Markham.
Tonight..Clear. Low 14.
Saturday..Mainly sunny. High 28. Humidex 31. UV index 9 or very high.
Saturday night..A few clouds. Low 15.

Newmarket - Georgina - Northern York Region.
Tonight..A few clouds. Low 13.
Saturday..Mainly sunny. High 28. Humidex 31. UV index 9 or very high.
Saturday night..A few clouds. Low 15.

Pickering - Oshawa - Southern Durham Region.
Tonight..Clear. Low 14.
Saturday..Mainly sunny. High 28. Humidex 31. UV index 9 or very high.
Saturday night..A few clouds. Low 15.

Uxbridge - Beaverton - Northern Durham Region.
Tonight..A few clouds. Low 13.
Saturday..Mainly sunny. High 28. Humidex 31. UV index 9 or very high.
Saturday night..A few clouds. Low 14.

Goderich - Bluewater - Southern Huron County.
Tonight..A few clouds. Low 11.
Saturday..Mainly sunny. High 28. Humidex 30. UV index 9 or very high.
Saturday night..A few clouds. Low 11.

Wingham - Blyth - Northern Huron County.
Tonight..A few clouds. Low 11.
Saturday..Mainly sunny. High 28. Humidex 30. UV index 9 or very high.
Saturday night..A few clouds. Low 11.

Stratford - Mitchell - Southern Perth County.
Tonight..A few clouds. Low 11.
Saturday..Mainly sunny. High 28. Humidex 30. UV index 9 or very high.
Saturday night..A few clouds. Low 11.

Listowel - Milverton - Northern Perth County.
Tonight..A few clouds. Low 11.
Saturday..Mainly sunny. High 28. Humidex 30. UV index 9 or very high.
Saturday night..A few clouds. Low 11.

Kitchener - Cambridge - Region of Waterloo.
Tonight..Clear. Low 12.
Saturday..Mainly sunny. High 28. Humidex 32. UV index 9 or very high.
Saturday night..A few clouds. Low 12.

Guelph - Erin - Southern Wellington County.
Tonight..Clear. Low 12.
Saturday..Mainly sunny. High 28. Humidex 32. UV index 9 or very high.
Saturday night..A few clouds. Low 12.

Mount Forest - Arthur - Northern Wellington County.
Tonight..A few clouds. Low 12.
Saturday..Mainly sunny. High 28. Humidex 32. UV index 9 or very high.
Saturday night..A few clouds. Low 12.

Orangeville - Grand Valley - Southern Dufferin County.
Tonight..A few clouds. Low 12.
Saturday..Mainly sunny. High 28. Humidex 30. UV index 9 or very high.
Saturday night..A few clouds. Low 16.

Shelburne - Mansfield - Northern Dufferin County.
Tonight..A few clouds. Low 12.
Saturday..Mainly sunny. High 28. Humidex 30. UV index 9 or very high.
Saturday night..A few clouds. Low 16.

Innisfil - New Tecumseth - Angus.
Tonight..A few clouds. Low 12.
Saturday..Mainly sunny. High 28. Humidex 33. UV index 9 or very high.
Saturday night..A few clouds. Low 15.

Saugeen Shores - Kincardine - Southern Bruce County.
Tonight..A few clouds. Low 12.
Saturday..Mainly sunny. High 27. Humidex 30. UV index 9 or very high.
Saturday night..A few clouds. Low 12.

Bruce Peninsula - Sauble Beach - Tobermory.
Tonight..A few clouds. Low 12.
Saturday..Mainly sunny. High 26. Humidex 29. UV index 9 or very high.
Saturday night..A few clouds. Low 14.

Hanover - Dundalk - Southern Grey County.
Tonight..A few clouds. Low 12.
Saturday..Mainly sunny. High 27. Humidex 28. UV index 9 or very high.
Saturday night..A few clouds. Low 15.

Owen Sound - Blue Mountains - Northern Grey County.
Tonight..A few clouds. Low 12.
Saturday..Mainly sunny. High 27. Humidex 28. UV index 9 or very high.
Saturday night..A few clouds. Low 15.

Barrie - Collingwood - Hillsdale.
Tonight..A few clouds. Low 13.
Saturday..Mainly sunny. High 28. Humidex 30. UV index 9 or very high.
Saturday night..A few clouds. Low 15.

Midland - Coldwater - Orr Lake.
Tonight..A few clouds. Low 13.
Saturday..Mainly sunny. High 28. Humidex 30. UV index 9 or very high.
Saturday night..A few clouds. Low 15.

Orillia - Lagoon City - Washago.
Tonight..A few clouds. Fog patches developing overnight. Low 13.
Saturday..Mainly sunny. Fog patches dissipating in the morning.
 High 28. Humidex 30. UV index 9 or very high.
Saturday night..A few clouds. Fog patches developing before morning.
 Low 15.

Cobourg - Colborne - Western Northumberland County.
Tonight..Clear. Low 14.
Saturday..Mainly sunny. High 28. Humidex 33. UV index 8 or very high.
Saturday night..A few clouds. Low 15.

Belleville - Quinte West - Eastern Northumberland County.
Tonight..Clear. Low 14.
Saturday..Mainly sunny. High 28. Humidex 33. UV index 8 or very high.
Saturday night..A few clouds. Low 15.

Picton - Sandbanks Park.
Tonight..Clear. Wind southwest 20 km/h becoming light this evening.
 Low 15.
Saturday..Mainly sunny. High 27. Humidex 32. UV index 8 or very high.
Saturday night..A few clouds. Low 15.

Napanee - Consecon.
Tonight..Clear. Wind southwest 20 km/h becoming light this evening.
 Low 15.
Saturday..Mainly sunny. High 27. Humidex 32. UV index 8 or very high.
Saturday night..A few clouds. Low 15.

Kingston - Odessa - Frontenac Islands.
Tonight..Clear. Wind southwest 20 km/h becoming light this evening.
 Low 15.
Saturday..Mainly sunny. High 27. Humidex 32. UV index 8 or very high.
Saturday night..A few clouds. Low 15.

Lindsay - Southern Kawartha Lakes.
Tonight..A few clouds. Low 10.
Saturday..Mainly sunny. High 28. Humidex 33. UV index 8 or very high.
Saturday night..A few clouds. Low 13.

Fenelon Falls - Balsam Lake Park - Northern Kawartha Lakes.
Tonight..A few clouds. Fog patches developing overnight. Low 10.
Saturday..Mainly sunny. Fog patches dissipating in the morning.
 High 28. Humidex 33. UV index 8 or very high.
Saturday night..A few clouds. Fog patches developing before morning.
 Low 12.

Peterborough City - Lakefield - Southern Peterborough County.
Tonight..Clear. Low 10.
Saturday..Mainly sunny. High 28. Humidex 33. UV index 8 or very high.
Saturday night..A few clouds. Low 12.

Apsley - Woodview - Northern Peterborough County.
Tonight..Clear. Low 10.
Saturday..Mainly sunny. High 28. Humidex 33. UV index 8 or very high.
Saturday night..A few clouds. Low 12.

Stirling - Tweed - Madoc.
Tonight..Clear. Low 13.
Saturday..Mainly sunny. High 28. Humidex 32. UV index 8 or very high.
Saturday night..A few clouds. Low 13.

Tamworth - Sydenham - South Frontenac.
Tonight..Clear. Low 13.
Saturday..Mainly sunny. High 28. Humidex 32. UV index 8 or very high.
Saturday night..A few clouds. Low 13.

Kaladar - Bannockburn - Bon Echo Park.
Tonight..Clear. Low 9.
Saturday..Mainly sunny. High 28. Humidex 32. UV index 8 or very high.
Saturday night..A few clouds. Low 10.

Bancroft - Hastings Highlands - Denbigh.
Tonight..A few clouds. Low 9.
Saturday..Mainly sunny. High 28. Humidex 32. UV index 8 or very high.
Saturday night..A few clouds. Fog patches developing before morning.
 Low 10.

Gananoque - Mallorytown.
Tonight..Clear. Wind west 20 km/h becoming light this evening.
 Low 15.
Saturday..Mainly sunny. High 29. Humidex 34. UV index 8 or very high.
Saturday night..A few clouds. Low 15.

Brockville - Prescott.
Tonight..Clear. Wind west 20 km/h becoming light this evening.
 Low 15.
Saturday..Mainly sunny. High 29. Humidex 34. UV index 8 or very high.
Saturday night..A few clouds. Low 15.

Westport - Charleston Lake.
Tonight..Clear. Wind west 20 km/h becoming light this evening.
 Low 15.
Saturday..Mainly sunny. High 29. Humidex 34. UV index 8 or very high.
Saturday night..A few clouds. Low 15.

Merrickville-Wolford - Kemptville.
Tonight..Clear. Wind west 20 km/h becoming light this evening.
 Low 15.
Saturday..Mainly sunny. High 29. Humidex 34. UV index 8 or very high.
Saturday night..A few clouds. Low 15.

Ottawa North - Kanata - Orléans.
Tonight..Clear. Wind west 20 km/h gusting to 40 becoming light this
 evening. Low 14.
Saturday..Mainly sunny. High 29. Humidex 34. UV index 8 or very high.
Saturday night..A few clouds. Low 16.

Ottawa South - Richmond - Metcalfe.
Tonight..Clear. Wind west 20 km/h gusting to 40 becoming light this
 evening. Low 14.
Saturday..Mainly sunny. High 29. Humidex 34. UV index 8 or very high.
Saturday night..A few clouds. Low 16.

Gatineau.
Tonight..Clear. Wind west 20 km/h gusting to 40 becoming light this
 evening. Low 14.
Saturday..Mainly sunny. High 29. Humidex 34. UV index 8 or very high.
Saturday night..A few clouds. Low 16.

Prescott and Russell.
Tonight..Clear. Wind west 20 km/h becoming light early this evening.
 Low 13.
Saturday..Mainly sunny. High 28. Humidex 33. UV index 8 or very high.
Saturday night..A few clouds. Low 15.

Morrisburg - Long Sault.
Tonight..Clear. Wind west 20 km/h gusting to 40 becoming light early
 this evening. Low 13.
Saturday..Mainly sunny. High 29. Humidex 34. UV index 8 or very high.
Saturday night..A few clouds. Low 15.

Cornwall - Lancaster.
Tonight..Clear. Wind west 20 km/h gusting to 40 becoming light early
 this evening. Low 13.
Saturday..Mainly sunny. High 29. Humidex 34. UV index 8 or very high.
Saturday night..A few clouds. Low 15.

Winchester - Newington.
Tonight..Clear. Wind west 20 km/h gusting to 40 becoming light early
 this evening. Low 13.
Saturday..Mainly sunny. High 29. Humidex 34. UV index 8 or very high.
Saturday night..A few clouds. Low 15.

Maxville - Alexandria.
Tonight..Clear. Wind west 20 km/h gusting to 40 becoming light early
 this evening. Low 13.
Saturday..Mainly sunny. High 29. Humidex 34. UV index 8 or very high.
Saturday night..A few clouds. Low 15.

Plevna - Sharbot Lake - Western Lanark County.
Tonight..Clear. Low 13.
Saturday..Mainly sunny. High 28. Humidex 33. UV index 8 or very high.
Saturday night..A few clouds. Low 15.

Smiths Falls - Perth - Eastern Lanark County.
Tonight..Clear. Wind northwest 20 km/h becoming light early this
 evening. Low 14.
Saturday..Mainly sunny. High 29. Humidex 34. UV index 8 or very high.
Saturday night..A few clouds. Low 15.

Port Carling - Port Severn.
Tonight..A few clouds. Fog patches developing overnight. Wind
 northwest 20 km/h becoming light early this evening. Low 13.
Saturday..Mainly sunny. Fog patches dissipating in the morning.
 High 27. Humidex 30. UV index 8 or very high.
Saturday night..A few clouds. Fog patches developing before morning.
 Low 16.

Bracebridge - Gravenhurst.
Tonight..A few clouds. Fog patches developing overnight. Low 11.
Saturday..Mainly sunny. Fog patches dissipating in the morning.
 High 28. Humidex 31. UV index 9 or very high.
Saturday night..A few clouds. Fog patches developing before morning.
 Low 13.

Town of Parry Sound - Rosseau - Killbear Park.
Tonight..A few clouds. Fog patches developing overnight. Wind west
 20 km/h becoming light early this evening. Low 13.
Saturday..Mainly sunny. Fog patches dissipating in the morning.
 High 27. Humidex 31. UV index 8 or very high.
Saturday night..A few clouds. Fog patches developing before morning.
 Low 14.

Huntsville - Baysville.
Tonight..A few clouds. Fog patches developing overnight. Low 11.
Saturday..Mainly sunny. Fog patches dissipating in the morning.
 High 27. Humidex 31. UV index 8 or very high.
Saturday night..A few clouds. Fog patches developing before morning.
 Low 14.

Haliburton - Minden - Southern Haliburton County.
Tonight..A few clouds. Low 9.
Saturday..Mainly sunny. High 28. Humidex 31. UV index 8 or very high.
Saturday night..A few clouds. Fog patches developing before morning.
 Low 12.

Oxtongue Lake - Fort Irwin - Northern Haliburton County.
Tonight..A few clouds. Low 9.
Saturday..Mainly sunny. High 28. Humidex 31. UV index 8 or very high.
Saturday night..A few clouds. Fog patches developing before morning.
 Low 12.

Barry's Bay - Killaloe.
Tonight..A few clouds. Low 10.
Saturday..Mainly sunny. High 28. Humidex 30. UV index 8 or very high.
Saturday night..A few clouds. Fog patches developing before morning.
 Low 13.

Renfrew - Arnprior - Calabogie.
Tonight..A few clouds. Wind west 20 km/h gusting to 40 becoming light
 early this evening. Low 13.
Saturday..Mainly sunny. High 29. Humidex 31. UV index 8 or very high.
Saturday night..A few clouds. Fog patches developing before morning.
 Low 13.

Petawawa - Pembroke - Cobden.
Tonight..A few clouds. Wind west 20 km/h gusting to 40 becoming light
 early this evening. Low 13.
Saturday..Mainly sunny. High 29. Humidex 31. UV index 8 or very high.
Saturday night..A few clouds. Fog patches developing before morning.
 Low 13.

Western Algonquin Park - Lake of Two Rivers.
Tonight..A few clouds. Low 8.
Saturday..Mainly sunny. High 27. Humidex 30. UV index 8 or very high.
Saturday night..A few clouds. Fog patches developing before morning.
 Low 11.

Deep River - Whitney - Eastern Algonquin Park.
Tonight..A few clouds. Low 8.
Saturday..Mainly sunny. High 27. Humidex 30. UV index 8 or very high.
Saturday night..A few clouds. Fog patches developing before morning.
 Low 11.

Bayfield Inlet - Dunchurch.
Tonight..A few clouds. Fog patches developing overnight. Low 13.
Saturday..Mainly sunny. Fog patches dissipating in the morning.
 High 26. Humidex 29. UV index 8 or very high.
Saturday night..A few clouds. Fog patches developing before morning.
 Low 14.

South River - Burk's Falls.
Tonight..A few clouds. Low 13.
Saturday..Mainly sunny. High 26. Humidex 29. UV index 8 or very high.
Saturday night..A few clouds. Fog patches developing before morning.
 Low 14.

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