See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
7°
Clear
Feels Like: 8°
Min: 6°
Max: 23°
The next few hours will be clear, with today reaching 23°C and dropping to 12°C. The coming days will be cloudy
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:49
Sunrise
18:34
Sunset
Moon
Waxing Gibbous
18:07
Moonrise
05:23
Moonset
Daily Forecast
Today
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
Air Quality Data Available
Upgrade to access real-time air quality data for Cowansville.
Resources
UV Index
Humidity
Current stargazing conditions?
See sky darkness, moon phase, and the best viewing window for Cowansville.
View stargazing scoreWeather in Cowansville today, September 25, 2026
Cowansville looks cloudy on September 25, 2026, with grey skies for much of the day. Sunshine stays limited, so the overall tone is muted from the morning onward. Expect a brighter morning, with limited cloud around 7% by 08:00. Conditions start on a settled note.
The temperature range runs from about 6°C up to 23°C. Relative humidity sits between 27% and 97%, reaching its peak around 08:00. A lighter breeze peaks around 15:00 near 4.6 km/h.
The afternoon keeps an overcast feel, as cloud reaches about 100% around 14:00. Outdoor plans may still want a flexible backup. Expect visibility near 15.7 km, with poorer spells close to 12.2 km. The sun rises at 06:49 and sets at 18:34, for a total of 11 hours 45 minutes of sunlight today.
Taken together, overcast skies in Cowansville on September 25, 2026 favour indoor or covered options, with temperatures near 23°C.
Frequently asked questions about weather in Cowansville
How warm does it get in Cowansville?
The warmest month in Cowansville is July, with average high temperatures of 26°C. The average temperature during this period is around 21°C.
How cold does it get in Cowansville?
The coldest month in Cowansville is January, with average low temperatures of -11°C. The average temperature during this period is around -7°C.
What is the wettest time of year in Cowansville?
The wettest month in Cowansville is October, with an average of 137mm of precipitation.
What is the driest time of year in Cowansville?
The driest month in Cowansville is September, with an average of 81mm of precipitation.
Explore more weather forecasts
- Granby, Québec
- Toronto, Ontario
- Saint-Jean-sur-Richelieu, Québec
- Montréal, Québec
- Magog, Québec
- Calgary, Alberta
- Chambly, Québec
- Edmonton, Alberta
- Saint-Hyacinthe, Québec
- Ottawa, Ontario
- Mont-Saint-Hilaire, Québec
- Winnipeg, Manitoba
- Beloeil, Québec
- Mississauga, Ontario
- Saint-Basile-le-Grand, Québec
- Vancouver, British Columbia