Weather in Alstead, NH
Updated 2026-08-11 13:45 local time · ZIP codes 03602
Partly cloudy
No government weather alerts were returned for this location at the latest update.
Next hours
81°1% rain
87°1% rain84°2% rain83°1% rain84°1% rain80°1% rain
75°1% rain73°1% rain71°2% rain70°2% rain69°3% rain62°6% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 6%).
It feels like 81°F with winds near 10 mph.
75°F, 1% rain chance and 4 mph wind.
Visibility is around 10 mi; gusts may reach 12 mph.
Current temperature is 81°F, wind 10 mph, rain chance up to 6%.
UV index is 7. Sunscreen, shade and protective clothing are recommended.
Alstead weather today
Partly cloudy and 81°F in Alstead, NH. Today's high is 88°F with a 3% rain chance. Winds are around 10 mph with gusts near 11 mph. Relative humidity is 45%, pressure is 29.81 inHg, and visibility is about 10 miles.
Tonight and tomorrow in Alstead
Sunrise is at 05:50 AM and sunset is at 07:58 PM. Tomorrow's forecast calls for Sunny with a high near 82°F and a low near 55°F. The maximum rain chance is 5%.