🗺️ Ontario Weather
Tap a region for the full forecast
🔄 Updated September 12, 2026 · 11:15 AM EDT · Live radar from Environment Canada
🛰️ LIVE RADAR
-25°-15°-5°0°10°20°30°+
Ontario regions
20°Grey-Bruce & Lake Huron
20°Sauble Beach20°Kincardine20°Port Elgin19°Wiarton18°Tobermory19°Hanover
21°Southwestern Ontario
24°Windsor23°Sarnia23°Chatham-Kent21°St. Thomas22°Tillsonburg24°Leamington
16°Northern Ontario
16°Thunder Bay16°Sault Ste. .16°North Bay17°Timmins19°Gore Bay20°Little Curr.
22°Kitchener-Waterloo
15°Waterloo19°Cambridge20°Guelph19°Brantford17°Woodstock21°Stratford
13°Muskoka & Algonquin
17°Bracebridge17°Gravenhurst18°Parry Sound17°Bancroft17°Haliburton17°Minden
16°Barrie & Simcoe
19°Orillia20°Collingwood18°Midland18°Innisfil20°Wasaga Beach17°Alliston
18°Hamilton & Niagara
19°St. Cathari.19°Niagara Fal.17°Burlington20°Welland20°Grimsby19°Niagara-on-.
20°Greater Toronto Area
16°Mississauga17°Brampton16°Vaughan17°Scarborough17°Oakville17°Milton
17°Durham & York
17°Whitby17°Pickering17°Markham17°Ajax16°Richmond Hi.17°Newmarket
19°Peterborough & Kawartha
19°Lindsay20°Cobourg20°Port Hope19°Bobcaygeon19°Lakefield20°Campbellford
19°Kingston & Eastern Ontario
20°Belleville18°Brockville18°Cornwall20°Quinte West19°Napanee18°Smiths Falls
13°Ottawa
15°Gatineau18°Kanata17°Pembroke18°Orleans18°Arnprior18°Carleton Pl.
Other cities
5°Calgary
3°Edmonton4°Red Deer5°Airdrie6°Lethbridge3°Banff
17°Montreal
18°Laval20°Longueuil20°Brossard19°Terrebonne
12°Vancouver
12°Burnaby12°Surrey13°Richmond12°Coquitlam13°North Vanco.11°Abbotsford
Radar & alerts: Environment Canada · Forecast data: Environment Canada, Open-Meteo & wttr.in
Updated every 15 minutes · Written outlook by the Daily Current Weather Desk
Updated every 15 minutes · Written outlook by the Daily Current Weather Desk