Today's Weather Forecast - Montreal
Today's weather in Montreal. high 21°C (70°F), low 12°C (54°F). Sunny.
Today’s Hourly Weather Outlook
- Wind speed
- 22 km/h
- Rain probability
- 0%
- Wind speed
- 24 km/h
- Rain probability
- 0%
- Wind speed
- 19 km/h
- Rain probability
- 0%
- Wind speed
- 20 km/h
- Rain probability
- 58%
24-Hour Rain & Temperature Forecast
Sunrise & Sunset
Air Quality Index & Health Advice
Air Quality Index
- Air quality level
- Good
- Dominant pollutant
- Dominant: O3
- Monitoring station
- St-Dominique, Montreal, Canada
- PM2.5
- 12μg/m³
- O₃
- 31.6ppb
- NO₂
- 10.7ppb
- SO₂
- 0.6ppb
- CO
- 1.1ppm
5-Day Weather Forecast
Full 15-Day ForecastWeather Insight
Montreal is forecast to reach a high of 21°C today, with an overnight low around 12°C. That's 2° below the long-term average high of 23°C for this time of year. It continues a recent pattern — 2 of the last 20 days with published data have run cooler than normal. Expect a fair chance of rain (58% probability) and moderate breezes averaging 24 km/h. Air quality is currently good (AQI 35), with no notable outdoor health concerns.
Today vs Normal
The long-term average high for today is 23°C.
2 of the last 20 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 considered satisfactory, and air pollution poses little or no risk. It’s a good day to be active outside.