Calgary weather
Loading live data…Light drizzle,rain likely tomorrow
Env. Canada, the European and the American model put Calgary's high today between 10° and 13°, a 2° split. Tomorrow looks rain around 14°, with a 82% chance of rain.
The weather map: all three models at once
Env. Canada, European, American side by side around Calgary and nearby towns.Live rain radar →Next 14 hours
consensus of the three models14-day forecast
where the models agree, and where they splitCalgary, Alberta. Below we compare what Env. Canada, European, American forecast for Calgary right now and flag exactly where they disagree, then break down Calgary's weather month by month and which forecast model has been most accurate here.
We grade every model against the weather that actually happened, so you can see which forecast model is most accurate in Canada before you trust any single number.
Calgary weather by month
what to expect in Calgary through the yearHere is Calgary's typical weather in each month: the average daytime high and overnight low in °C, how each month feels, and the wettest month marked. Use it to plan any trip to Calgary by season.
What Calgary's weather is like through the year
Calgary runs from warm summers, with July highs near 25°C, to cold winters, when January lows sit around -13°C (a swing of about 38°C across the year). June is usually the wettest month, and Calgary sees roughly 485 mm of precipitation annually. Overnight lows stay below freezing across 6 months (January, February, March, April, November and December), so Calgary sees regular winter snowfall.
Best time to visit Calgary
The most comfortable time to visit Calgary is usually May, July, August and September, when daytime highs sit in the pleasant 16-26°C range and the heaviest June rain is behind you.
Which forecast is most accurate in Calgary?
CheckWeather Score — graded against the weather that actually happened
The CheckWeather Score blends temperature, wind and rain accuracy — each measured against ERA5 (the recorded weather) over the last 30 days across 1302 cities. Lower error means a higher score. See which forecast model is most accurate in Canada, how we measure forecast accuracy, or which model each weather app uses.
Bottom line: over the last 30 days the European model has been the most accurate forecast for Calgary, scoring 96/100 on our CheckWeather Score, ahead of the Env. Canada at 79. See the full CA accuracy scoreboard for exactly how every model is tested.
Where the models disagree
temperature and rain, judged separatelyThe models often agree on temperature and still split on rain — and rain is usually what decides whether a plan survives. A wide rain range means the shower is genuinely uncertain, not that the forecast is wrong.