Weather forecast for: Alstead NH
Last Update: 2:26 pm EDT Oct 28, 2026
Tonight: Partly cloudy, with a low around 36. Calm wind.
Thursday: Sunny, with a high near 66. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night: Increasing clouds, with a low around 50. South wind around 5 mph becoming calm.
Friday: Mostly sunny, with a high near 60. Light west wind becoming northwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Friday Night: Partly cloudy, with a low around 31. Northwest wind around 5 mph becoming calm in the evening.
Saturday: Sunny, with a high near 54.
Saturday Night: Mostly clear, with a low around 25.
Sunday: Sunny, with a high near 59.
Sunday Night: Partly cloudy, with a low around 33.
Monday: Mostly sunny, with a high near 61.
Monday Night: Partly cloudy, with a low around 37.
Tuesday: Partly sunny, with a high near 59.
Tuesday Night: Partly cloudy, with a low around 38.
Wednesday: Mostly sunny, with a high near 59.