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
05:52
Sunrise
20:25
Sunset
Moon
Waning Gibbous
92% illuminated
21:32
Moonrise
08:54
Moonset
Daily Forecast
Saturday
Today
Monday
Tuesday
Wednesday
Thursday
Friday
Air Quality Data Available
Upgrade to access real-time air quality data for Ottawa.
Resources
UV Index
Humidity
Frequently asked questions about weather in Ottawa
How warm does it get in Ottawa?
The warmest month in Ottawa is August, with average high temperatures of 28°C. The average temperature during this period is around 22°C.
How cold does it get in Ottawa?
The coldest month in Ottawa is February, with average low temperatures of -12°C. The average temperature during this period is around -8°C.
What is the wettest time of year in Ottawa?
The wettest month in Ottawa is October, with an average of 146mm of precipitation.
What is the driest time of year in Ottawa?
The driest month in Ottawa is May, with an average of 34mm of precipitation.
Explore more weather forecasts
- Vanier, Ontario
- Toronto, Ontario
- Nepean, Ontario
- Montréal, Québec
- Queenswood Heights, Ontario
- Calgary, Alberta
- Fallingbrook, Ontario
- Edmonton, Alberta
- Kanata, Ontario
- Winnipeg, Manitoba
- Clarence-Rockland, Ontario
- Mississauga, Ontario
- Carleton Place, Ontario
- Vancouver, British Columbia
- Hawkesbury, Ontario
- Brampton, Ontario