Weather forecast for: Alstead NH
Last Update: 6:53 pm EDT Aug 5, 2026
Tonight: Areas of dense fog after 1am. Otherwise, partly cloudy, with a low around 64. Calm wind.
Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Areas of dense fog before 9am. Otherwise, partly sunny, with a high near 87. Calm wind becoming south around 5 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 11pm. Patchy fog. Otherwise, partly cloudy, with a low around 68. Calm wind. Chance of precipitation is 20%.
Friday: A 30 percent chance of showers and thunderstorms after 3pm. Areas of fog before 10am. Otherwise, mostly sunny, with a high near 86. Calm wind.
Friday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers after 3am. Patchy fog. Otherwise, mostly cloudy, with a low around 67. Calm wind. Chance of precipitation is 30%.
Saturday: A chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Areas of fog before 10am. Otherwise, partly sunny, with a high near 84. Chance of precipitation is 40%.
Saturday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 10pm. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.
Sunday: Mostly sunny, with a high near 84.
Sunday Night: Mostly clear, with a low around 61.
Monday: Mostly sunny, with a high near 83.
Monday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 62.
Tuesday: A 40 percent chance of showers. Partly sunny, with a high near 80.
Tuesday Night: Partly cloudy, with a low around 59.
Wednesday: Mostly sunny, with a high near 79.
WeatherWorld.com
Town of Alstead, NH
