Ontario Weather — All Cities Forecast
Ontario, Canada
Major Cities
Toronto
ONToronto
ONOttawa
ONOttawa
ONMississauga
ONMississauga
ONBrampton
ONBrampton
ONHamilton
ONHamilton
ONKitchener
ONLondon
ONDirectories
Ontario Weather Forecast
Welcome to the most comprehensive weather resource for Ontario (ON), Canada. We provide accurate, real-time weather forecasts for 500+ cities and towns across Ontario.
Complete Weather Coverage for Ontario
Our weather service covers every major population center in Ontario, from the largest cities to smaller communities. Each location page provides detailed current conditions, hourly forecasts, and 14-day extended predictions.
Weather Data You Can Trust
- Accurate Forecasts: Powered by Open-Meteo's advanced weather models
- Frequent Updates: Data refreshed every 30 minutes
- Comprehensive Metrics: Temperature, precipitation, wind, humidity, and more
- Severe Weather Alerts: Real-time warnings for hazardous conditions
- Air Quality Monitoring: Track pollution levels across Ontario
Plan Your Activities in Ontario
Whether you're planning outdoor activities, travel, or simply want to know what to wear, our detailed weather forecasts help you make informed decisions. Check current conditions, hourly breakdowns, and extended forecasts for any location in Ontario.
Popular Cities in Ontario: Browse our complete list above to find weather information for your specific location. Each city page includes current weather, hourly forecasts, 14-day predictions, and historical climate data.