Ottawa residents love to talk about the weather. Along with hockey and gas prices, it may be our favourite topic. This page includes a 7-day forecast, weather alerts, links to satellite and radar images, along with specialty forecasts.
- Current Conditions: Mainly Sunny, 7.7°C
Observed at: Ottawa Macdonald-Cartier Int'l Airport 8:00 PM EDT Saturday 29 April 2017 Condition: Mainly Sunny Temperature: 7.7°C Pressure / Tendency: 102.3 kPa rising Visibility: 24.1 km Humidity: 42 % Dewpoint: -4.4°C Wind: NNW 34 km/h Air Quality Health Index: 2
- SPECIAL WEATHER STATEMENT IN EFFECT, Ottawa (Kanata – Orléans)
Persons in or near this area should be on the lookout for adverse weather conditions and take necessary safety precautions. Issued: 6:48 PM EDT Saturday 29 April 2017
- Wednesday night: Cloudy periods. Low plus 3.
Cloudy periods. Low plus 3. Forecast issued 3:30 PM EDT Saturday 29 April 2017
- Tuesday night: Chance of showers. Low plus 4. POP 60%
Cloudy with 60 percent chance of showers. Low plus 4. Forecast issued 3:30 PM EDT Saturday 29 April 2017
- Saturday night: Partly cloudy. Low plus 2.
A few clouds. Increasing cloudiness overnight. Wind northwest 30 km/h gusting to 50 becoming light this evening. Low plus 2. Forecast issued 3:30 PM EDT Saturday 29 April 2017
- Thursday night: Cloudy periods. Low plus 5.
Cloudy periods. Low plus 5. Forecast issued 3:30 PM EDT Saturday 29 April 2017
- Sunday: Showers. High 6.
Cloudy. Showers beginning near noon. Amount 5 to 10 mm. High 6. UV index 4 or moderate. Forecast issued 3:30 PM EDT Saturday 29 April 2017
- Tuesday: Chance of showers. High 13. POP 60%
Cloudy with 60 percent chance of showers. High 13. Forecast issued 3:30 PM EDT Saturday 29 April 2017
- Sunday night: Periods of rain. Temperature rising to 9 by morning.
Periods of rain. Amount 15 to 25 mm. Temperature rising to 9 by morning. Forecast issued 3:30 PM EDT Saturday 29 April 2017
- Wednesday: A mix of sun and cloud. High 12.
A mix of sun and cloud. High 12. Forecast issued 3:30 PM EDT Saturday 29 April 2017
Detailed forecasts & conditions
- Environment Canada
- Weather Network
- Weather Warnings
- Ian Black’s forecast (from CBC Ottawa)
- Weather Underground (also check out the full screen map)
- AccuWeather.com (includes 10-day forecast)
- Forecast.io (hyperlocal forecasts for your specific location)
- Special Weather Statements (for Ontario)
- School Bus Cancellations
- A few radar links for tracking rain, snow and other precipitation:
Weather Network Radar
Franktown Radar (Environment Canada)
Montague, NY (National Weather Service – U.S.)
Franktown Radar (Weather Underground)
Intellicast radar map (North America)
- Satellite Images (Environment Canada)
- Jet Stream / North American Weather Systems (Environment Canada)
- Lightning Activity (Environment Canada)
- Air Quality Index from the Ontario Ministry of the Environment. See also this chart showing hourly levelsmeasured in downtown Ottawa.
– Weather Network Air Quality Forecast
- Pollen Forecast (via The Weather Network)
- Smog alerts (Ontario Ministry of the Environment)
- UV Report (via The Weather Network)
- Britannia Yacht Club webcam (includes current conditions)
- Cold Weather Tips from Ottawa Health
- Kanata Weather Observations
- National Climate Data and Information Archive
- Nepean Sailing Club conditions
- Ottawa River water levels
- Sunrise & sunset times (via Environment Canada)
- Sunrise & sunset times (via timeanddate.com)
Ottawa Weather Records (unofficial)
- Coldest day: -36.1ºC, February 15, 1943.
- Hottest day: 37.8ºC, August 14, 1944.
- Highest rainfall, one day: 135mm, September 9, 2004.
- Highest snowfall, one day: 40.6cm, March 2, 1947.
- Average maximum temperature: 10.7ºC
- Average minimum temperature: 0.8ºC
- Daily mean temperature: 5.8ºC
- Average yearly rainfall: 701.8mm
- Average yearly snowfall: 221.5cm
- Source: National Climate Data and Information Archive
1998 Ice Storm
On January 4, 1998 the first drops of freezing rain started to fall in Eastern Canada. Ten centimetres of freezing rain fell in less than a week, destroying trees, grounding airplanes, and leaving over a million people without electricity. Check out the links below for more about the event.