Weather forecast for: Sullivan NH
Last Update: 6:42 am EDT Sep 9, 2026
Today: A 30 percent chance of showers, mainly after 5pm. Mostly cloudy, with a high near 74. Light and variable wind becoming south 5 to 10 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.
Tonight: Showers and thunderstorms before 2am, then showers and possibly a thunderstorm, mainly after 2am. Low around 63. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday: A 30 percent chance of showers, mainly before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 75. West wind around 10 mph, with gusts as high as 25 mph. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night: Mostly cloudy, with a low around 53. West wind 5 to 10 mph.
Friday: Sunny, with a high near 69. Northwest wind around 5 mph.
Friday Night: Mostly clear, with a low around 49.
Saturday: Sunny, with a high near 72.
Saturday Night: Partly cloudy, with a low around 55.
Sunday: A chance of showers between 9am and 2pm. Partly sunny, with a high near 74. Chance of precipitation is 30%.
Sunday Night: Mostly cloudy, with a low around 57.
Monday: Mostly sunny, with a high near 74.
Monday Night: Partly cloudy, with a low around 55.
Tuesday: Mostly sunny, with a high near 75.
WeatherWorld.com
