Weather forecast for: Grantham NH
Last Update: 11:14 am EDT Sep 30, 2026
Today: Partly sunny, with a high near 69. Calm wind becoming west around 5 mph.
Tonight: Patchy fog. Otherwise, mostly cloudy, with a low around 53. Calm wind.
Thursday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 73. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night: Partly cloudy, with a low around 61. Southwest wind around 5 mph.
Friday: Showers likely, mainly after 4pm. Partly sunny, with a high near 73. Southwest wind around 5 mph. Chance of precipitation is 60%.
Friday Night: Showers likely, mainly before 7pm. Mostly cloudy, with a low around 49. Chance of precipitation is 60%.
Saturday: Sunny, with a high near 63.
Saturday Night: Mostly clear, with a low around 40.
Sunday: Mostly sunny, with a high near 61.
Sunday Night: A chance of showers between 9pm and 4am. Mostly cloudy, with a low around 44. Chance of precipitation is 30%.
Monday: Mostly sunny, with a high near 58.
Monday Night: Partly cloudy, with a low around 36.
Tuesday: Mostly sunny, with a high near 51.
WeatherWorld.com
Town of Grantham, NH
