FPCN11 CWTO 141929 AAA
Updated forecasts for Southern Ontario and the National Capital
Region issued by Environment Canada at 3:29 p.m. EDT Friday 14 August
2026 for today and Saturday.
The next scheduled forecast will be issued at 3:30 p.m. EDT.

Mississauga - Brampton.
Today..A mix of sun and cloud with 30 percent chance of showers.
 High 27. Humidex 28. UV index 4 or moderate.
Tonight..Clear. Becoming partly cloudy after midnight. Low 15.
Saturday..Clearing in the morning. High 24. Humidex 27. UV index 8 or
 very high.

Remainder unchanged.

End
$$$$^^
FPCN11 CWTO 141930
Forecasts for Southern Ontario and the National Capital Region issued
by Environment Canada at 3:30 p.m. EDT Friday 14 August 2026 for
tonight Saturday and Saturday night.
The next scheduled forecast will be issued at 5:00 a.m. EDT Saturday.

City of Toronto.
Tonight..A few clouds. Low 16.
Saturday..A mix of sun and cloud. Clearing late in the morning.
 High 24. Humidex 27. UV index 8 or very high.
Saturday night..Clear. Increasing cloudiness after midnight. Low 18.

Windsor - Leamington - Essex County.
Tonight..Mainly cloudy. 40 percent chance of showers early this
 evening. Clearing near midnight. Low 17.
Saturday..Increasing cloudiness early in the morning. 40 percent
 chance of showers late in the afternoon with risk of a thunderstorm.
 Wind becoming southeast 20 km/h late in the afternoon. High 23.
 Humidex 30. UV index 8 or very high.
Saturday night..Cloudy. 60 percent chance of showers in the evening
 and after midnight with risk of a thunderstorm. Wind southeast
 20 km/h becoming light after midnight. Low 21.

Chatham-Kent - Rondeau Park.
Tonight..Mainly cloudy with 30 percent chance of showers early this
 evening. Clearing this evening. Low 15.
Saturday..A mix of sun and cloud. High 23. Humidex 30. UV index 8 or
 very high.
Saturday night..Cloudy. 40 percent chance of showers in the evening
 and after midnight with risk of a thunderstorm. Wind east 20 km/h
 becoming light after midnight. Low 21.

Sarnia - Petrolia - Western Lambton County.
Tonight..Partly cloudy. Becoming clear this evening. Low 16.
Saturday..Sunny. Becoming a mix of sun and cloud in the afternoon.
 High 23. Humidex 28. UV index 8 or very high.
Saturday night..Cloudy. 40 percent chance of showers in the evening
 and after midnight. Low 19.

Watford - Pinery Park - Eastern Lambton County.
Tonight..Partly cloudy. Low 16.
Saturday..Mainly sunny. High 23. Humidex 28. UV index 8 or very high.
Saturday night..Partly cloudy. 40 percent chance of showers in the
 evening and after midnight. Low 19.

Rodney - Shedden - Western Elgin County.
Tonight..Clearing early this evening. Low 15.
Saturday..Mainly sunny. High 23. Humidex 28. UV index 8 or very high.
Saturday night..Cloudy. 40 percent chance of showers in the evening
 and after midnight. Low 20.

St. Thomas - Aylmer - Eastern Elgin County.
Tonight..Clearing early this evening. Low 15.
Saturday..Sunny. High 23. Humidex 28. UV index 8 or very high.
Saturday night..Partly cloudy. Becoming cloudy in the evening.
 Low 20.

Strathroy - Komoka - Western Middlesex County.
Tonight..Clearing early this evening. Low 15.
Saturday..Sunny. High 23. Humidex 28. UV index 8 or very high.
Saturday night..Cloudy. 40 percent chance of showers in the evening
 and after midnight. Low 19.

London - Parkhill - Eastern Middlesex County.
Tonight..Clearing early this evening. Low 14.
Saturday..Mainly sunny. High 23. Humidex 28. UV index 8 or very high.
Saturday night..Partly cloudy. Becoming cloudy in the evening.
 Low 19.

Simcoe - Delhi - Norfolk.
Tonight..Partly cloudy. Low 14.
Saturday..Mainly sunny. High 25. Humidex 29. UV index 8 or very high.
Saturday night..Increasing cloudiness in the evening. Low 19.

Dunnville - Caledonia - Haldimand.
Tonight..Partly cloudy. Low 15.
Saturday..A mix of sun and cloud. Becoming sunny in the morning.
 High 25. Humidex 28. UV index 8 or very high.
Saturday night..Increasing cloudiness late in the evening. Low 19.

Woodstock - Tillsonburg - Oxford County.
Tonight..Mainly cloudy with 30 percent chance of showers early this
 evening. Clearing this evening. Low 14.
Saturday..Mainly sunny. High 25. Humidex 28. UV index 8 or very high.
Saturday night..Increasing cloudiness in the evening. Low 18.

Brantford - County of Brant.
Tonight..Mainly cloudy with 30 percent chance of showers early this
 evening. Clearing this evening. Low 14.
Saturday..A mix of sun and cloud. High 25. Humidex 28. UV index 8 or
 very high.
Saturday night..Increasing cloudiness late in the evening. Low 18.

Niagara Falls - Welland - Southern Niagara Region.
Tonight..A few clouds. Low 15.
Saturday..Mainly sunny. High 25. Humidex 29. UV index 8 or very high.
Saturday night..Clear. Increasing cloudiness near midnight. Low 20.

St. Catharines - Grimsby - Northern Niagara Region.
Tonight..A few clouds. Low 15.
Saturday..A mix of sun and cloud. Becoming sunny in the morning.
 High 25. Humidex 29. UV index 8 or very high.
Saturday night..Clear. Increasing cloudiness after midnight. Low 20.

City of Hamilton.
Tonight..Partly cloudy. 30 percent chance of showers early this
 evening. Low 15.
Saturday..A mix of sun and cloud. High 24. Humidex 28. UV index 8 or
 very high.
Saturday night..Increasing cloudiness. Low 19.

Burlington - Oakville.
Tonight..Partly cloudy. 30 percent chance of showers early this
 evening. Low 15.
Saturday..Mainly cloudy. Clearing near noon. High 24. Humidex 27. UV
 index 8 or very high.
Saturday night..Clear. Increasing cloudiness near midnight. Wind
 becoming east 20 km/h after midnight. Low 16.

Halton Hills - Milton.
Tonight..Partly cloudy with 30 percent chance of showers early this
 evening. Clearing this evening. Low 13.
Saturday..Clearing in the morning. High 24. Humidex 27. UV index 8 or
 very high.
Saturday night..Clear. Increasing cloudiness near midnight. Low 16.

Mississauga - Brampton.
Tonight..A few clouds. Low 15.
Saturday..Clearing in the morning. High 24. Humidex 27. UV index 8 or
 very high.
Saturday night..Clear. Increasing cloudiness after midnight. Low 16.

Caledon.
Tonight..Clear. Low 13.
Saturday..A mix of sun and cloud. High 24. Humidex 27. UV index 8 or
 very high.
Saturday night..Clear. Increasing cloudiness after midnight. Low 16.

Vaughan - Richmond Hill - Markham.
Tonight..A few clouds. Low 14.
Saturday..A mix of sun and cloud. High 25. Humidex 28. UV index 8 or
 very high.
Saturday night..Clear. Increasing cloudiness after midnight. Low 17.

Newmarket - Georgina - Northern York Region.
Tonight..Clear. Becoming partly cloudy near midnight. Low 13.
Saturday..A mix of sun and cloud. High 25. Humidex 28. UV index 8 or
 very high.
Saturday night..Clear. Increasing cloudiness overnight. Low 17.

Pickering - Oshawa - Southern Durham Region.
Tonight..Partly cloudy. 30 percent chance of showers early this
 evening. Low 14.
Saturday..Mainly sunny. High 25. Humidex 28. UV index 8 or very high.
Saturday night..Clear. Increasing cloudiness overnight. Low 17.

Uxbridge - Beaverton - Northern Durham Region.
Tonight..Partly cloudy. 40 percent chance of showers early this
 evening. Low 12.
Saturday..A mix of sun and cloud. High 25. Humidex 28. UV index 8 or
 very high.
Saturday night..Clear. Increasing cloudiness after midnight. Low 17.

Goderich - Bluewater - Southern Huron County.
Tonight..Clear. Low 14.
Saturday..Sunny. High 23. Humidex 28. UV index 8 or very high.
Saturday night..Partly cloudy. Becoming cloudy late in the evening.
 Low 17.

Wingham - Blyth - Northern Huron County.
Tonight..Clear. Low 13.
Saturday..Sunny. High 23. Humidex 28. UV index 8 or very high.
Saturday night..Increasing cloudiness. Low 17.

Stratford - Mitchell - Southern Perth County.
Tonight..Clearing early this evening. Low 13.
Saturday..Mainly sunny. High 23. Humidex 28. UV index 8 or very high.
Saturday night..Increasing cloudiness early in the evening. Low 17.

Listowel - Milverton - Northern Perth County.
Tonight..Clear. Low 12.
Saturday..Mainly sunny. High 23. Humidex 28. UV index 8 or very high.
Saturday night..Increasing cloudiness. Low 17.

Kitchener - Cambridge - Region of Waterloo.
Tonight..Partly cloudy with 30 percent chance of showers early this
 evening. Otherwise clear. Low 12.
Saturday..A mix of sun and cloud. High 24. Humidex 28. UV index 8 or
 very high.
Saturday night..Increasing cloudiness late in the evening. Low 16.

Guelph - Erin - Southern Wellington County.
Tonight..Partly cloudy with 30 percent chance of showers early this
 evening. Clearing this evening. Low 12.
Saturday..A mix of sun and cloud. High 24. Humidex 28. UV index 8 or
 very high.
Saturday night..Increasing cloudiness. Wind becoming east 20 km/h
 after midnight. Low 16.

Mount Forest - Arthur - Northern Wellington County.
Tonight..Clear. Low 12.
Saturday..Mainly sunny. High 24. Humidex 27. UV index 8 or very high.
Saturday night..Clear. Increasing cloudiness near midnight. Low 16.

Orangeville - Grand Valley - Southern Dufferin County.
Tonight..Clear. Low 13.
Saturday..A mix of sun and cloud. High 24. Humidex 27. UV index 8 or
 very high.
Saturday night..Clear. Increasing cloudiness after midnight. Low 16.

Shelburne - Mansfield - Northern Dufferin County.
Tonight..Clear. Low 13.
Saturday..A mix of sun and cloud. High 24. Humidex 27. UV index 8 or
 very high.
Saturday night..Clear. Increasing cloudiness after midnight. Low 16.

Innisfil - New Tecumseth - Angus.
Tonight..Clear. Low 12.
Saturday..Clearing in the morning. High 24. Humidex 27. UV index 8 or
 very high.
Saturday night..Clear. Increasing cloudiness overnight. Low 16.

Saugeen Shores - Kincardine - Southern Bruce County.
Tonight..Clear. Low 12.
Saturday..Sunny. High 24. Humidex 28. UV index 8 or very high.
Saturday night..Increasing cloudiness. Low 18.

Bruce Peninsula - Sauble Beach - Tobermory.
Tonight..Clear. Low 13.
Saturday..Sunny. High 24. Humidex 28. UV index 8 or very high.
Saturday night..Clear. Increasing cloudiness after midnight. Low 18.

Hanover - Dundalk - Southern Grey County.
Tonight..Clear. Low 12.
Saturday..Mainly sunny. High 24. Humidex 27. UV index 8 or very high.
Saturday night..Clear. Increasing cloudiness after midnight. Low 17.

Owen Sound - Blue Mountains - Northern Grey County.
Tonight..Clear. Low 13.
Saturday..Sunny. High 24. Humidex 27. UV index 8 or very high.
Saturday night..Clear. Increasing cloudiness after midnight. Low 17.

Barrie - Collingwood - Hillsdale.
Tonight..Clear. Becoming partly cloudy late this evening. Low 12.
Saturday..Mainly sunny. High 25. Humidex 28. UV index 8 or very high.
Saturday night..Clear. Increasing cloudiness overnight. Low 16.

Midland - Coldwater - Orr Lake.
Tonight..Partly cloudy. 40 percent chance of showers early this
 evening. Low 12.
Saturday..Sunny. High 25. Humidex 28. UV index 8 or very high.
Saturday night..Clear. Increasing cloudiness before morning. Low 16.

Orillia - Lagoon City - Washago.
Tonight..Partly cloudy. 40 percent chance of showers early this
 evening. Low 12.
Saturday..Mainly sunny. High 25. Humidex 28. UV index 8 or very high.
Saturday night..Clear. Becoming partly cloudy before morning. Low 16.

Cobourg - Colborne - Western Northumberland County.
Tonight..A few showers ending early this evening then partly cloudy.
 Low 13.
Saturday..Sunny. Becoming a mix of sun and cloud in the morning.
 High 25. Humidex 28. UV index 8 or very high.
Saturday night..Clear. Low 15.

Belleville - Quinte West - Eastern Northumberland County.
Tonight..A few showers ending early this evening then partly cloudy.
 Risk of a thunderstorm early this evening. Low 12.
Saturday..Sunny. Becoming a mix of sun and cloud in the morning.
 High 25. Humidex 28. UV index 8 or very high.
Saturday night..Clear. Low 15.

Picton - Sandbanks Park.
Tonight..A few showers ending early this evening then partly cloudy.
 Risk of a thunderstorm early this evening. Low 13.
Saturday..Sunny. Becoming a mix of sun and cloud in the morning.
 High 25. Humidex 28. UV index 8 or very high.
Saturday night..Clear. Low 15.

Napanee - Consecon.
Tonight..A few showers ending early this evening then partly cloudy.
 Risk of a thunderstorm early this evening. Low 12.
Saturday..Sunny. Becoming a mix of sun and cloud in the morning.
 High 25. Humidex 28. UV index 8 or very high.
Saturday night..Clear. Low 15.

Kingston - Odessa - Frontenac Islands.
Tonight..A few showers ending early this evening then clearing. Risk
 of a thunderstorm early this evening. Low 12.
Saturday..Mainly sunny. High 25. Humidex 28. UV index 8 or very high.
Saturday night..Clear. Low 15.

Lindsay - Southern Kawartha Lakes.
Tonight..A few showers ending early this evening then partly cloudy.
 Low 11.
Saturday..Mainly sunny. High 25. Humidex 28. UV index 8 or very high.
Saturday night..Clear. Becoming partly cloudy before morning. Low 15.

Fenelon Falls - Balsam Lake Park - Northern Kawartha Lakes.
Tonight..Partly cloudy. 40 percent chance of showers early this
 evening. Low 11.
Saturday..Mainly sunny. High 25. Humidex 28. UV index 8 or very high.
Saturday night..Clear. Low 15.

Peterborough City - Lakefield - Southern Peterborough County.
Tonight..A few showers ending early this evening then partly cloudy.
 Low 11.
Saturday..Mainly sunny. High 25. Humidex 28. UV index 8 or very high.
Saturday night..Clear. Becoming partly cloudy before morning. Low 12.

Apsley - Woodview - Northern Peterborough County.
Tonight..Partly cloudy. 40 percent chance of showers early this
 evening. Low 11.
Saturday..Sunny. High 25. Humidex 28. UV index 8 or very high.
Saturday night..Clear. Low 12.

Stirling - Tweed - Madoc.
Tonight..A few showers ending early this evening then clear. Low 11.
Saturday..Sunny. Becoming a mix of sun and cloud late in the morning.
 High 25. Humidex 28. UV index 8 or very high.
Saturday night..Clear. Low 12.

Tamworth - Sydenham - South Frontenac.
Tonight..A few showers ending early this evening then clear. Low 11.
Saturday..Mainly sunny. High 25. Humidex 28. UV index 8 or very high.
Saturday night..Clear. Low 12.

Kaladar - Bannockburn - Bon Echo Park.
Tonight..Partly cloudy. 40 percent chance of showers early this
 evening. Low 10.
Saturday..Mainly sunny. High 25. Humidex 27. UV index 8 or very high.
Saturday night..Clear. Low 13.

Bancroft - Hastings Highlands - Denbigh.
Tonight..Partly cloudy. 30 percent chance of showers early this
 evening. Low 9.
Saturday..Sunny. High 25. Humidex 27. UV index 8 or very high.
Saturday night..Clear. Low 13.

Gananoque - Mallorytown.
Tonight..A few showers ending early this evening then partly cloudy.
 Risk of a thunderstorm early this evening. Low 11.
Saturday..Clearing in the morning. High 25. Humidex 27. UV index 7 or
 high.
Saturday night..Clear. Low 13.

Brockville - Prescott.
Tonight..A few showers ending early this evening then partly cloudy.
 Low 11.
Saturday..Clearing in the morning. High 25. Humidex 27. UV index 7 or
 high.
Saturday night..Clear. Low 13.

Westport - Charleston Lake.
Tonight..Partly cloudy. 40 percent chance of showers early this
 evening. Low 11.
Saturday..Clearing in the morning. High 25. Humidex 27. UV index 7 or
 high.
Saturday night..Clear. Low 13.

Merrickville-Wolford - Kemptville.
Tonight..Mainly cloudy. 40 percent chance of showers early this
 evening. Low 11.
Saturday..Mainly sunny. High 25. Humidex 27. UV index 7 or high.
Saturday night..Clear. Low 13.

Ottawa North - Kanata - Orl�ans.
Tonight..Partly cloudy. 30 percent chance of showers early this
 evening. Low 12.
Saturday..Sunny. High 25. Humidex 27. UV index 7 or high.
Saturday night..Clear. Low 14.

Ottawa South - Richmond - Metcalfe.
Tonight..Partly cloudy. 30 percent chance of showers early this
 evening. Low 11.
Saturday..Sunny. High 25. Humidex 27. UV index 7 or high.
Saturday night..Clear. Low 14.

Gatineau.
Tonight..Partly cloudy with 30 percent chance of showers early this
 evening. Otherwise clear. Low 11.
Saturday..Sunny. High 25. Humidex 27. UV index 7 or high.
Saturday night..Clear. Low 13.

Prescott and Russell.
Tonight..Partly cloudy. 30 percent chance of showers early this
 evening. Low 11.
Saturday..Sunny. High 24. Humidex 26. UV index 7 or high.
Saturday night..Clear. Low 12.

Morrisburg - Long Sault.
Tonight..A few showers ending early this evening then partly cloudy.
 Low 11.
Saturday..Clearing in the morning. High 24. Humidex 26. UV index 7 or
 high.
Saturday night..Clear. Low 12.

Cornwall - Lancaster.
Tonight..Partly cloudy. 30 percent chance of showers early this
 evening. Low 11.
Saturday..Sunny. High 24. Humidex 26. UV index 7 or high.
Saturday night..Clear. Low 12.

Winchester - Newington.
Tonight..Partly cloudy. 40 percent chance of showers early this
 evening. Low 11.
Saturday..Clearing in the morning. High 24. Humidex 26. UV index 7 or
 high.
Saturday night..Clear. Low 12.

Maxville - Alexandria.
Tonight..Partly cloudy. 30 percent chance of showers early this
 evening. Low 11.
Saturday..Sunny. High 24. Humidex 26. UV index 7 or high.
Saturday night..Clear. Low 12.

Plevna - Sharbot Lake - Western Lanark County.
Tonight..Partly cloudy. 30 percent chance of showers early this
 evening. Low 10.
Saturday..Sunny. High 24. Humidex 26. UV index 7 or high.
Saturday night..Clear. Low 13.

Smiths Falls - Perth - Eastern Lanark County.
Tonight..Partly cloudy. 30 percent chance of showers early this
 evening. Low 11.
Saturday..Mainly sunny. High 24. Humidex 26. UV index 7 or high.
Saturday night..Clear. Low 13.

Port Carling - Port Severn.
Tonight..Partly cloudy. 30 percent chance of showers early this
 evening. Low 12.
Saturday..Sunny. High 25. Humidex 27. UV index 8 or very high.
Saturday night..Clear. Becoming partly cloudy before morning. Low 17.

Bracebridge - Gravenhurst.
Tonight..Partly cloudy with 30 percent chance of showers early this
 evening. Otherwise clear. Low 11.
Saturday..Sunny. High 25. Humidex 27. UV index 8 or very high.
Saturday night..Clear. Low 15.

Town of Parry Sound - Rosseau - Killbear Park.
Tonight..Partly cloudy with 30 percent chance of showers early this
 evening. Otherwise clear. Low 13.
Saturday..Sunny. High 25. Humidex 27. UV index 8 or very high.
Saturday night..Clear. Low 15.

Huntsville - Baysville.
Tonight..Partly cloudy with 30 percent chance of showers early this
 evening. Otherwise clear. Low 10.
Saturday..Sunny. High 25. Humidex 27. UV index 8 or very high.
Saturday night..Clear. Low 15.

Haliburton - Minden - Southern Haliburton County.
Tonight..Partly cloudy with 30 percent chance of showers early this
 evening. Otherwise clear. Low 10.
Saturday..Sunny. High 24. Humidex 26. UV index 7 or high.
Saturday night..Clear. Low 14.

Oxtongue Lake - Fort Irwin - Northern Haliburton County.
Tonight..Partly cloudy with 30 percent chance of showers early this
 evening. Clearing this evening. Low 9.
Saturday..Sunny. High 24. Humidex 26. UV index 7 or high.
Saturday night..Clear. Low 14.

Barry's Bay - Killaloe.
Tonight..Partly cloudy. 30 percent chance of showers early this
 evening. Low 9.
Saturday..Sunny. High 25. Humidex 27. UV index 7 or high.
Saturday night..Clear. Low 13.

Renfrew - Arnprior - Calabogie.
Tonight..Partly cloudy. 30 percent chance of showers early this
 evening. Low 10.
Saturday..Sunny. High 25. Humidex 27. UV index 7 or high.
Saturday night..Clear. Low 13.

Petawawa - Pembroke - Cobden.
Tonight..Partly cloudy. 30 percent chance of showers early this
 evening. Low 10.
Saturday..Sunny. High 25. Humidex 27. UV index 7 or high.
Saturday night..Clear. Low 13.

Western Algonquin Park - Lake of Two Rivers.
Tonight..Partly cloudy with 30 percent chance of showers early this
 evening. Clearing this evening. Low 9.
Saturday..Sunny. High 24. Humidex 26. UV index 7 or high.
Saturday night..Clear. Low 13.

Deep River - Whitney - Eastern Algonquin Park.
Tonight..Partly cloudy with 30 percent chance of showers early this
 evening. Clearing this evening. Low 9.
Saturday..Sunny. High 24. Humidex 26. UV index 7 or high.
Saturday night..Clear. Low 13.

Bayfield Inlet - Dunchurch.
Tonight..Partly cloudy with 30 percent chance of showers early this
 evening. Otherwise clear. Low 12.
Saturday..Sunny. High 24. Humidex 26. UV index 7 or high.
Saturday night..Clear. Low 15.

South River - Burk's Falls.
Tonight..Partly cloudy with 30 percent chance of showers early this
 evening. Otherwise clear. Low 10.
Saturday..Sunny. High 24. Humidex 26. UV index 7 or high.
Saturday night..Clear. Low 15.

End
$$$$^^

--- up 3 days, 17 hours, 37 minutes
 * Origin: Northern Realms (618:400/23)