🗺️ Ontario Weather
Tap a region for the full forecast
🔄 Updated September 12, 2026 · 12:15 PM EDT · Live radar from Environment Canada
🛰️ LIVE RADAR
-25°-15°-5°0°10°20°30°+
Ontario regions
22°Grey-Bruce & Lake Huron
22°Sauble Beach22°Kincardine22°Port Elgin22°Wiarton18°Tobermory21°Hanover
21°Southwestern Ontario
25°Windsor24°Sarnia24°Chatham-Kent24°St. Thomas23°Tillsonburg25°Leamington
21°Northern Ontario
18°Thunder Bay22°Sault Ste. .19°North Bay19°Timmins20°Gore Bay21°Little Curr.
22°Kitchener-Waterloo
22°Waterloo22°Cambridge21°Guelph19°Brantford25°Woodstock25°Stratford
16°Muskoka & Algonquin
18°Bracebridge18°Gravenhurst20°Parry Sound16°Bancroft18°Haliburton18°Minden
21°Barrie & Simcoe
20°Orillia22°Collingwood18°Midland21°Innisfil22°Wasaga Beach21°Alliston
26°Hamilton & Niagara
25°St. Cathari.25°Niagara Fal.23°Burlington24°Welland24°Grimsby25°Niagara-on-.
23°Greater Toronto Area
22°Mississauga22°Brampton22°Vaughan21°Scarborough19°Oakville20°Milton
22°Durham & York
22°Whitby22°Pickering22°Markham22°Ajax22°Richmond Hi.23°Newmarket
22°Peterborough & Kawartha
22°Lindsay21°Cobourg21°Port Hope22°Bobcaygeon22°Lakefield22°Campbellford
21°Kingston & Eastern Ontario
21°Belleville21°Brockville18°Cornwall22°Quinte West20°Napanee19°Smiths Falls
13°Ottawa
15°Gatineau18°Kanata17°Pembroke15°Orleans17°Arnprior19°Carleton Pl.
Other cities
5°Calgary
4°Edmonton5°Red Deer5°Airdrie8°Lethbridge4°Banff
18°Montreal
18°Laval20°Longueuil20°Brossard19°Terrebonne
13°Vancouver
14°Burnaby13°Surrey14°Richmond13°Coquitlam14°North Vanco.13°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