National Weather Service Forecast for: Hampstead NH
Issued by: National Weather Service Gray/Portland, ME
Updated: 7:05 pm EDT Sep 12, 2026
 
Tonight

Tonight: Mostly cloudy, with a low around 59. Calm wind becoming south around 5 mph.
Mostly Cloudy

Sunday

Sunday: Showers and possibly a thunderstorm before 3pm, then a chance of showers and thunderstorms, mainly between 3pm and 5pm.  Patchy fog after 11am. High near 70. South wind around 5 mph becoming calm.  Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Showers and
Patchy Fog
Sunday
Night
Sunday Night: Patchy fog after 1am.  Otherwise, mostly cloudy, with a low around 60. Calm wind becoming west around 5 mph after midnight.
Mostly Cloudy
then Patchy
Fog
Monday

Monday: Mostly cloudy through mid morning, then gradual clearing, with a high near 71. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Becoming
Sunny
Monday
Night
Monday Night: Clear, with a low around 46. Northwest wind around 5 mph becoming calm  in the evening.
Clear

Tuesday

Tuesday: Sunny, with a high near 69.
Sunny

Tuesday
Night
Tuesday Night: Mostly clear, with a low around 51.
Mostly Clear

Wednesday

Wednesday: Mostly sunny, with a high near 77.
Mostly Sunny

Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 58.
Partly Cloudy

Lo 59 °F Hi 70 °F Lo 60 °F Hi 71 °F Lo 46 °F Hi 69 °F Lo 51 °F Hi 77 °F Lo 58 °F

 

Tonight
 
Mostly cloudy, with a low around 59. Calm wind becoming south around 5 mph.
Sunday
 
Showers and possibly a thunderstorm before 3pm, then a chance of showers and thunderstorms, mainly between 3pm and 5pm. Patchy fog after 11am. High near 70. South wind around 5 mph becoming calm. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
 
Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 60. Calm wind becoming west around 5 mph after midnight.
Monday
 
Mostly cloudy through mid morning, then gradual clearing, with a high near 71. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
 
Clear, with a low around 46. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
 
Sunny, with a high near 69.
Tuesday Night
 
Mostly clear, with a low around 51.
Wednesday
 
Mostly sunny, with a high near 77.
Wednesday Night
 
Partly cloudy, with a low around 58.
Thursday
 
Mostly sunny, with a high near 78.
Thursday Night
 
A 30 percent chance of showers. Mostly cloudy, with a low around 60.
Friday
 
A 30 percent chance of showers. Partly sunny, with a high near 75.
Friday Night
 
A 30 percent chance of showers. Mostly cloudy, with a low around 53.
Saturday
 
Mostly sunny, with a high near 70.

 

Forecast from NOAA-NWS for Hampstead NH.