Windham, NH Weather Tomorrow

Get tomorrow's weather for Windham plus an extended 5 day forecast providing precipitation potential, daytime and nighttime forecasts, temperature highs and lows in Fahrenheit and Celsius, sunrise and sunset times, cloud cover, wind chill, wind speed, and wind direction for the Windham area and around Rockingham county, New Hampshire.
Updated: Fri Sep 4th 2026 10:45 AM EDT
Windham, NH Weather – 9-4 – Scattered Showers
88° / 62°
Scattered Showers
In Windham, on and off showers are set to occur with highs near 88°F and lows around 62°F. Rainfall predicted to have a 73% chance with an estimated 0.25in. Winds will be light at 10mph and gusts of 23.7mph at 10 PM. The humidity will be on the higher side, averaging about 71%, the maximum being 67% at 8 PM and 38% being its lowest at 4 PM. Barometric pressure is its highest of 29.79inHg at 9 PM, a lowest point of 29.74inHg at 3 PM with an avg 29.77inHg.
Windham, NH Weather – 9-5 – Sunny
67° / 58°

Weather Tomorrow

Sunny
Windham could see a sunny day with daytime highs of 67°F and nighttime lows near 58°F. Rainfall predicted to have a 63% chance with an estimated 0.05in. Winds will be light at 6mph and gusts of 20.2mph at 2 AM. High humidity with average of 84% is anticipated, the maximum being 95% at 8 PM and 71% being its lowest at 12 PM. Barometric pressure is its highest of 29.93inHg at 11 PM, a lowest point of 29.76inHg at 1 AM with an avg 29.83inHg.
Windham, NH Weather – 9-6 – Overcast
73° / 55°
Overcast
In Windham, overcast is likely with a high near 73°F and a low around 55°F. There's a moderate 43% chance of rainfall with an estimated 0.03in. Winds will be light at 10mph and gusts of 15.7mph at 12 PM. The humidity will be on the higher side, averaging about 68%, the maximum being 95% at 8 AM and 33% being its lowest at 4 PM. Barometric pressure is its highest of 30.08inHg at 10 PM, a lowest point of 29.93inHg at 12 AM with an avg 30inHg.
Windham, NH Weather – 9-7 – Sunny
78° / 52°
Sunny
Daytime highs will reach 78°F with lows dropping to 52°F in Windham, where it will be sunny. There's a very small chance of rainfall, only about 4%. Winds will be light at 10mph and gusts of 17mph at 8 AM. Humidity levels should be comfortable, sitting around 60% on average, the maximum being 87% at 6 AM and 28% being its lowest at 1 PM. Barometric pressure is its highest of 30.14inHg at 11 PM, a lowest point of 30.04inHg at 12 AM with an avg 30.08inHg.
Windham, NH Weather – 9-8 – Overcast
81° / 59°
Overcast
In Windham, overcast is likely with a high near 81°F and a low around 59°F. There's a very small chance of rainfall, only about 10%. Wind will be moderate, blowing around 11mph on average and gusts of 24.9mph at 7 AM. Humidity levels should be comfortable, sitting around 56% on average, the maximum being 72% at 5 AM and 35% being its lowest at 4 PM. Barometric pressure is its highest of 30.21inHg at 9 PM, a lowest point of 30.06inHg at 1 AM with an avg 30.14inHg.
Windham, NH Weather – 9-9 – Overcast
82° / 64°
Overcast
Daytime highs will reach 82°F with lows dropping to 64°F in Windham, where it will be overcast. Rainfall predicted to have a 63% chance with an estimated 0.06in. Wind will be moderate, blowing around 13mph on average and gusts of 34.9mph at 11 PM. The humidity will be on the higher side, averaging about 69%, the maximum being 94% at 11 PM and 50% being its lowest at 5 PM. Barometric pressure is its highest of 30.21inHg at 1 AM, a lowest point of 29.77inHg at 11 PM with an avg 30.03inHg.

Currently

Patchy Rain Nearby 74°F
29.81 inHg.
Barometer
67%
Humidity
NW 10.1 mph
Wind
Patchy Rain Nearby

5 Day Forecast Nearby

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