See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
21°
Clear
Feels Like: 20°
Min: 7°
Max: 21°
The next few hours will be clear, with today reaching 21°C and dropping to 11°C. The coming days will be mostly cloudy throughout the day.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:31
Sunrise
18:47
Sunset
Moon
Waxing Crescent
11:27
Moonrise
20:13
Moonset
Daily Forecast
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Wednesday
Thursday
Friday
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Thursday
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Weather in Windham today, September 15, 2026
Expect a muted, overcast feel in Windham on September 15, 2026 as cloud persists. Brighter breaks, if they arrive, should stay brief.
Temperatures climb from an overnight low near 7°C toward a daytime high of about 21°C. The air stays humid, with relative humidity between 31% and 85% and the peak around 23:00. Winds stay light, near 3.2 km/h by 21:00, so the day feels still more than breezy.
Through the afternoon cloud remains the main feature, with cover near 100% around 19:00. Bright spells should stay limited even as the day wears on. Expect visibility around 16.1 km. The sun rises at 06:31 and sets at 18:47, for a total of 12 hours 16 minutes of sunlight today.
Overall, Windham on September 15, 2026 stays grey and muted, so outdoor plans may want a flexible backup even with a high near 21°C.
Frequently asked questions about weather in Windham
How warm does it get in Windham?
The warmest month in Windham is July, with average high temperatures of 29°C. The average temperature during this period is around 24°C.
How cold does it get in Windham?
The coldest month in Windham is January, with average low temperatures of -5°C. The average temperature during this period is around -2°C.
What is the wettest time of year in Windham?
The wettest month in Windham is December, with an average of 119mm of precipitation.
What is the driest time of year in Windham?
The driest month in Windham is September, with an average of 78mm of precipitation.
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