National Weather Service Forecast for: Seabrook NH
Issued by: National Weather Service Gray/Portland, ME
Updated: 2:28 pm EDT Oct 6, 2026
 
Tonight

Tonight: Clear, with a low around 37. West wind around 5 mph becoming calm in the evening.
Clear
 Wednesday

Wednesday: Areas of frost between 7am and 8am. Otherwise, sunny, with a high near 64. Southwest wind 5 to 10 mph.
Areas Frost
then Sunny
 Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 50. Southwest wind around 5 mph.
Partly Cloudy
 Thursday

Thursday: Sunny, with a high near 72. Southwest wind 5 to 10 mph.
Sunny
 Thursday
Night
Thursday Night: Mostly clear, with a low around 47. West wind around 5 mph.
Mostly Clear
 Friday

Friday: Sunny, with a high near 65.
Sunny
 Friday
Night
Friday Night: Mostly clear, with a low around 43.
Mostly Clear
 Saturday

Saturday: Sunny, with a high near 65.
Sunny
 Saturday
Night
Saturday Night: Mostly clear, with a low around 46.
Mostly Clear
Lo 37 °F Hi 64 °F Lo 50 °F Hi 72 °F Lo 47 °F Hi 65 °F Lo 43 °F Hi 65 °F Lo 46 °F

 

Tonight
 
 Clear, with a low around 37. West wind around 5 mph becoming calm in the evening.
Wednesday
 
 Areas of frost between 7am and 8am. Otherwise, sunny, with a high near 64. Southwest wind 5 to 10 mph.
Wednesday Night
 
 Partly cloudy, with a low around 50. Southwest wind around 5 mph.
Thursday
 
 Sunny, with a high near 72. Southwest wind 5 to 10 mph.
Thursday Night
 
 Mostly clear, with a low around 47. West wind around 5 mph.
Friday
 
 Sunny, with a high near 65.
Friday Night
 
 Mostly clear, with a low around 43.
Saturday
 
 Sunny, with a high near 65.
Saturday Night
 
 Mostly clear, with a low around 46.
Sunday
 
 Mostly sunny, with a high near 70.
Sunday Night
 
 Partly cloudy, with a low around 55.
Columbus Day
 
 A 40 percent chance of showers. Partly sunny, with a high near 68.
Monday Night
 
 Mostly cloudy, with a low around 51.
Tuesday
 
 Partly sunny, with a high near 65.

 

Forecast from NOAA-NWS for Seabrook NH.