Unlock Minute-by-Minute Forecast
See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
Unlock Historical Data
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
05:40
Sunrise
20:46
Sunset
Moon
Waning Gibbous
64% illuminated
23:49
Moonrise
12:17
Moonset
Daily Forecast
Today
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
Air Quality Data Available
Upgrade to access real-time air quality data for Ontario.
UV Index
Humidity
Frequently asked questions about weather in Ontario
How warm does it get in Ontario?
The warmest month in Ontario is August, with average high temperatures of 25°C. The average temperature during this period is around 22°C.
How cold does it get in Ontario?
The coldest month in Ontario is January, with average low temperatures of -4°C. The average temperature during this period is around -1°C.
What is the wettest time of year in Ontario?
The wettest month in Ontario is October, with an average of 171mm of precipitation.
What is the driest time of year in Ontario?
The driest month in Ontario is June, with an average of 78mm of precipitation.
Explore more weather forecasts
- Brighton, New York
- New York City, New York
- Irondequoit, New York
- Los Angeles, California
- Rochester, New York
- Brooklyn, New York
- Henrietta, New York
- Chicago, Illinois
- Greece, New York
- Houston, Texas
- Gates-North Gates, New York
- Queens, New York
- West Henrietta, New York
- Phoenix, Arizona
- Canandaigua, New York
- Philadelphia, Pennsylvania