15-Day Weather Forecast - Montreal
15-day weather forecast for Montreal: temperatures from 5°C (41°F) to 23°C (73°F). Average daily high 19°C (66°F) over the next 15 days.
Hourly Forecast by Day
15-Day Temperature Trend
15-Day Weather Forecast
Updated just nowWeather Insight
Montreal's 15-day outlook ranges from a low of 5°C to a high of 23°C, with an average daytime high near 19°C. That's 4° 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. 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.
Extended Outlook for Montreal
Over the next 15 days, Montreal is forecast to see temperatures ranging from 5°C to 24°C, averaging a daily high of 19°C. The extended outlook indicates significant rainfall totalling 115.1 mm spread across 7 days. Conditions are suitable for most outdoor activities; carry an umbrella on days with showers.