Weather forecast for: Alstead NH
Last Update: 6:35 am EDT Aug 10, 2026
This Afternoon: Partly sunny, with a high near 84. Southwest wind around 5 mph.
Tonight: A 30 percent chance of showers and thunderstorms, mainly between 9pm and 11pm. Mostly cloudy during the evening, then mostly clear overnight, with a low around 64. Calm wind.
Tuesday: Mostly sunny, with a high near 81. Northwest wind around 5 mph.
Tuesday Night: Partly cloudy, with a low around 59. Calm wind.
Wednesday: Sunny, with a high near 81. Calm wind becoming west around 5 mph.
Wednesday Night: Partly cloudy, with a low around 59.
Thursday: A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 80.
Thursday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 11pm. Partly cloudy, with a low around 56. Chance of precipitation is 40%.
Friday: Sunny, with a high near 76.
Friday Night: Mostly clear, with a low around 52.
Saturday: Sunny, with a high near 76.
Saturday Night: Partly cloudy, with a low around 52.
Sunday: A 30 percent chance of showers. Mostly sunny, with a high near 75.
WeatherWorld.com
Town of Alstead, NH
