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.
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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.