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Hourly Forecast
Daylight Hours
06:36
Sunrise
18:49
Sunset
Moon
Waxing Crescent
12:32
Moonrise
20:50
Moonset
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Weather in Windham tomorrow, September 17, 2026
Windham could see fog on September 17, 2026, so early travel may need extra care. Visibility is the main watchpoint while the air stays still. The morning sky stays heavily clouded, with cover near 100% around 07:00. Grey conditions set the early tone before any later change.
Expect highs of 23°C and cooler readings close to 14°C. The air stays humid, with relative humidity between 80% and 100% and the peak around 05:00. Winds stay light, near 6.5 km/h by 16:00, so the day feels still more than breezy.
Expect persistent cloud later on, with amounts around 100% by 12:00. Sunshine remains the exception, not the rule. Visibility stays generally good near 12.6 km on average, though it can drop toward 0.1 km in thicker cloud or showers. Expect sunrise at 06:37, sunset at 18:47, and 12 hours 10 minutes of sunlight today overall.
Taken together, murky spells in Windham on September 17, 2026 favour slower morning movement before any clearer air arrives.
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 -4°C. The average temperature during this period is around -1°C.
What is the wettest time of year in Windham?
The wettest month in Windham is July, with an average of 132mm of precipitation.
What is the driest time of year in Windham?
The driest month in Windham is November, with an average of 81mm of precipitation.
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