Clear,much the same tomorrow
Env. Canada, the European and the American model put Windsor's high today between 24° and 27°, a 3° split. Tomorrow looks cloudy around 25°, with a 12% chance of rain.
Windsor, Ontario. Below we compare what Env. Canada, European, American forecast for Windsor right now and flag exactly where they disagree, then break down Windsor'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.
Here is Windsor'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 Windsor by season.
Windsor runs from warm summers, with July highs near 28°C, to cold winters, when January lows sit around -4°C (a swing of about 32°C across the year). July is usually the wettest month, and Windsor sees roughly 941 mm of precipitation annually. Overnight lows stay below freezing across 2 months (January and February), so Windsor sees regular winter snowfall.
The most comfortable time to visit Windsor is usually April, May, June and August, when daytime highs sit in the pleasant 16-26°C range and the heaviest July rain is behind you.
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 Windsor, scoring 93/100 on our CheckWeather Score, ahead of the American at 74. See the full CA accuracy scoreboard for exactly how every model is tested.
The 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.