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Windham, NH Weather Forecast


Windham, NH Weather Forecast Dated: 138 PM Fri Sep 04 2026
Expect a mild stretch with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate.
Friday, September 4, 2026
Mid-Morning
71°F 22°C
Scattered Showers
Mid-Afternoon
88°F 31°C
Scattered Showers
Early-Evening
73°F 23°C
Partly Cloudy
Warm and summery near 88°F 31°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure.
Saturday, September 5, 2026
Mid-Morning
66°F 19°C
Overcast
Mid-Afternoon
64°F 18°C
Light Showers
Early-Evening
60°F 16°C
Light Fog
Mildly cool near 64°F 18°C, clouds building with afternoon showers likely, with increasing humidity and steady pressure.
Sunday, September 6, 2026
Mid-Morning
56°F 13°C
Light Fog
Mid-Afternoon
73°F 23°C
Sunny
Early-Evening
63°F 17°C
Overcast
Enjoyable around 73°F 23°C, partly cloudy through the afternoon, turning cloudy this evening, with lower humidity and steady pressure. Winds turning from the WNW to the WSW at 5 mph 7 km/h.
Monday, September 7, 2026
Mid-Morning
64°F 18°C
Sunny
Mid-Afternoon
78°F 26°C
Sunny
Early-Evening
68°F 20°C
Sunny
Mild temperatures up to 78°F 26°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure. Winds switching from the NNW to the NW at 4 mph 6 km/h.
Tuesday, September 8, 2026
Mid-Morning
67°F 19°C
Sunny
Mid-Afternoon
81°F 27°C
Cloudy
Early-Evening
71°F 22°C
Overcast
Very warm with a high of 81°F 27°C, sunny in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure. Winds decreasing from NNW 11 mph 17 km/h to ESE 3 mph 5 km/h.
Wednesday, September 9, 2026
Mid-Morning
65°F 18°C
Scattered Showers
Mid-Afternoon
74°F 24°C
Overcast
Early-Evening
76°F 24°C
Scattered Showers
Pleasant near 74°F 24°C, locally heavy downpours at times, with steady humidity and barometric pressure falling. Winds picking up from SSE at 3 mph 5 km/h to SSW at 12 mph 19 km/h. Gusts up to 30 mph 48 km/h.
Thursday, September 10, 2026
Mid-Morning
70°F 21°C
Partly Cloudy
Mid-Afternoon
69°F 21°C
Scattered Showers
Early-Evening
59°F 16°C
Partly Cloudy
Comfortable with temperatures reaching 69°F 21°C, periods of heavy rain and gusty conditions, with steady humidity and barometric pressure rising. Winds shifting from the W to the NW at 13 mph 21 km/h. Gusts up to 27 mph 43 km/h.
Friday, September 11, 2026
Mid-Morning
53°F 12°C
Overcast
Mid-Afternoon
67°F 20°C
Sunny
Early-Evening
57°F 14°C
Sunny
Cool with a high near 67°F 20°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure. Winds turning from the NW to the NNW at 6 mph 10 km/h.
Saturday, September 12, 2026
Mid-Morning
55°F 13°C
Sunny
Mid-Afternoon
70°F 21°C
Sunny
Early-Evening
59°F 15°C
Sunny
Mild temperatures up to 70°F 21°C, sunny throughout the day, with steady humidity and steady pressure.
Sunday, September 13, 2026
Mid-Morning
60°F 15°C
Scattered Showers
Mid-Afternoon
67°F 20°C
Partly Cloudy
Early-Evening
65°F 18°C
Overcast
Mildly cool near 67°F 20°C, periods of heavy rain and gusty conditions, with steady humidity and barometric pressure falling. Winds switching from the SE to the SSE at 6 mph 10 km/h.
Monday, September 14, 2026
Mid-Morning
65°F 19°C
Light Showers
Mid-Afternoon
66°F 19°C
Sunny
Early-Evening
60°F 16°C
Sunny
Comfortable at 66°F 19°C, scattered morning showers before drying out later, with lower humidity and steady pressure. Winds building from SSW at 4 mph 7 km/h to NNW at 12 mph 18 km/h. Gusts up to 25 mph 39 km/h.
Tuesday, September 15, 2026
Mid-Morning
52°F 11°C
Sunny
Mid-Afternoon
64°F 18°C
Sunny
Early-Evening
56°F 14°C
Sunny
Cool with a high near 64°F 18°C, sunny throughout the day, with steady humidity and steady pressure. Winds swinging from the NW to the NNW at 5 mph 8 km/h.
Wednesday, September 16, 2026
Mid-Morning
58°F 14°C
Sunny
Mid-Afternoon
81°F 27°C
Sunny
Early-Evening
71°F 21°C
Sunny
Quite warm around 81°F 27°C, cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure.
Thursday, September 17, 2026
Mid-Morning
70°F 21°C
Sunny
Mid-Afternoon
87°F 30°C
Sunny
Early-Evening
78°F 26°C
Sunny
Warm temperatures up to 87°F 30°C, sunny throughout the day, with steady humidity and barometric pressure falling.
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