- Rating
- Fair
- Reason
- Best window: Evening — allow extra time
Weekend Weather Forecast - Montreal
Weekend weather in Montreal. Saturday high 21°C (70°F). Sunday high 22°C (72°F).
Weekend Hourly Forecast
48-Hour Weekend Forecast Chart
Weekend Activity Outlook
- Rating
- Fair
- Reason
- Playable but conditions are tricky
- Rating
- Poor
- Reason
- Rain will prevent outdoor drying
- Rating
- Poor
- Reason
- Venue should have indoor backup ready
5-Day Weather Forecast
Full 15-Day ForecastWeather Insight
Montreal is forecast to reach a high of 21°C this weekend, with an overnight low around 9°C. That's 1° below the long-term average high of 22°C for this time of year. It continues a recent pattern — 6 of the last 28 days with published data have run cooler than normal. Expect a low chance of rain (15% probability) and a gentle breeze averaging 15 km/h. Air quality is currently Moderate (AQI 53), driven mainly by PM2.5 at 9.1 μg/m³.
Today vs Normal
The long-term average high for today is 23°C.
6 of the last 28 days with published data ran above normal.
It continues that pattern - today's forecast is also running below normal.
Red = above normal, blue = at or below · last 12 days
Air Quality
Air quality is acceptable for most people. Unusually sensitive individuals should consider reducing prolonged or heavy outdoor exertion.