National Weather Service Forecast for: Seabrook NH
Issued by: National Weather Service Gray/Portland, ME
Updated: 2:35 pm EDT Jul 28, 2026
 
Tonight

Tonight: A 20 percent chance of showers and thunderstorms before 8pm.  Patchy fog after 1am.  Otherwise, mostly cloudy, with a low around 63. Southeast wind 5 to 10 mph.
Slight Chance
T-storms then
Patchy Fog

Wednesday

Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3pm.  Patchy fog before 10am.  Otherwise, mostly cloudy, with a high near 75. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Slight Chance
T-storms and
Patchy Fog
then Showers
Likely
Wednesday
Night
Wednesday Night: Showers and possibly a thunderstorm.  Low around 59. Northeast wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Showers


Thursday

Thursday: Showers.  High near 71. Northeast wind 10 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 90%.
Showers


Thursday
Night
Thursday Night: Showers likely, mainly before 8pm.  Mostly cloudy, with a low around 59. North wind around 5 mph.  Chance of precipitation is 60%.
Showers
Likely then
Chance
Showers
Friday

Friday: Mostly sunny, with a high near 78.
Mostly Sunny


Friday
Night
Friday Night: Mostly clear, with a low around 60.
Mostly Clear


Saturday

Saturday: Mostly sunny, with a high near 81.
Mostly Sunny


Saturday
Night
Saturday Night: Partly cloudy, with a low around 63.
Partly Cloudy


Lo 63 °F Hi 75 °F Lo 59 °F Hi 71 °F Lo 59 °F Hi 78 °F Lo 60 °F Hi 81 °F Lo 63 °F

 

Tonight
 
A 20 percent chance of showers and thunderstorms before 8pm. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 63. Southeast wind 5 to 10 mph.
Wednesday
 
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 75. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night
 
Showers and possibly a thunderstorm. Low around 59. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Thursday
 
Showers. High near 71. Northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Thursday Night
 
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 59. North wind around 5 mph. Chance of precipitation is 60%.
Friday
 
Mostly sunny, with a high near 78.
Friday Night
 
Mostly clear, with a low around 60.
Saturday
 
Mostly sunny, with a high near 81.
Saturday Night
 
Partly cloudy, with a low around 63.
Sunday
 
Partly sunny, with a high near 83.
Sunday Night
 
A 30 percent chance of showers. Mostly cloudy, with a low around 64.
Monday
 
A 40 percent chance of showers. Partly sunny, with a high near 81.
Monday Night
 
A 30 percent chance of showers. Mostly cloudy, with a low around 63.
Tuesday
 
Mostly sunny, with a high near 82.

 

Forecast from NOAA-NWS for Seabrook NH.