🗺️ Ontario Weather
Tap a region for the full forecast
🔄 Updated July 28, 2026 · 12:47 AM EDT · Live radar from Environment Canada
🚨 Active weather alerts
Hamilton & Niagara · Durham & York · Barrie & Simcoe · Southwestern Ontario
🛰️ LIVE RADAR
-25°-15°-5°0°10°20°30°+
Ontario regions
21°Grey-Bruce & Lake Huron
21°Sauble Beach21°Kincardine21°Port Elgin21°Wiarton19°Tobermory21°Hanover
⚠ Alert21°Southwestern Ontario
22°Windsor22°Sarnia23°Chatham-Kent21°St. Thomas22°Tillsonburg22°Leamington
18°Northern Ontario
16°Thunder Bay19°Sault Ste. .21°North Bay15°Timmins19°Gore Bay21°Little Curr.
21°Kitchener-Waterloo
20°Waterloo20°Cambridge20°Guelph22°Brantford21°Woodstock21°Stratford
18°Muskoka & Algonquin
20°Bracebridge20°Gravenhurst21°Parry Sound20°Bancroft21°Haliburton21°Minden
⚠ Alert22°Hamilton & Niagara
23°St. Cathari.23°Niagara Fal.21°Burlington23°Welland22°Grimsby23°Niagara-on-.
20°Greater Toronto Area
20°Mississauga21°Brampton21°Vaughan20°Scarborough19°Oakville20°Milton
21°Peterborough & Kawartha
21°Lindsay21°Cobourg21°Port Hope21°Bobcaygeon21°Lakefield20°Campbellford
19°Kingston & Eastern Ontario
22°Belleville19°Brockville20°Cornwall20°Quinte West20°Napanee19°Smiths Falls
21°Ottawa
22°Gatineau21°Kanata22°Pembroke22°Orleans21°Arnprior19°Carleton Pl.
Other cities
21°Calgary
16°Edmonton16°Red Deer20°Airdrie22°Lethbridge19°Banff
20°Montreal
19°Laval21°Longueuil21°Brossard19°Terrebonne
19°Vancouver
19°Burnaby19°Surrey19°Richmond19°Coquitlam19°North Vanco.21°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