National Weather Service Forecast for: Seabrook NH
Issued by: National Weather Service Gray/Portland, ME
Updated: 9:48 am EDT Mar 19, 2026
 
This
Afternoon
This Afternoon: Mostly sunny, with a high near 41. Southeast wind 5 to 10 mph.
Mostly Sunny
 Tonight

Tonight: Mostly cloudy, then gradually becoming clear, with a low around 29. South wind around 5 mph.
Decreasing
Clouds
 Friday

Friday: Increasing clouds, with a high near 51. West wind around 5 mph becoming south in the afternoon.
Increasing
Clouds
 Friday
Night
Friday Night: Rain likely, mainly after 10pm. Mostly cloudy, with a low around 37. South wind around 5 mph. Chance of precipitation is 70%.
Rain Likely
 Saturday

Saturday: Partly sunny, with a high near 52. West wind 5 to 10 mph.
Partly Sunny
 Saturday
Night
Saturday Night: Mostly cloudy, with a low around 33.
Mostly Cloudy
 Sunday

Sunday: A 40 percent chance of rain after 9am. Mostly cloudy, with a high near 50.
Chance Rain
 Sunday
Night
Sunday Night: A chance of rain before 11pm, then a chance of rain and snow. Mostly cloudy, with a low around 29. Chance of precipitation is 50%.
Chance
Rain/Snow
 Monday

Monday: A chance of rain and snow before 5pm, then a chance of rain. Mostly cloudy, with a high near 41. Chance of precipitation is 40%.
Chance
Rain/Snow
Hi 41 °F Lo 29 °F Hi 51 °F Lo 37 °F Hi 52 °F Lo 33 °F Hi 50 °F Lo 29 °F Hi 41 °F

 

This Afternoon
 
 Mostly sunny, with a high near 41. Southeast wind 5 to 10 mph.
Tonight
 
 Mostly cloudy, then gradually becoming clear, with a low around 29. South wind around 5 mph.
Friday
 
 Increasing clouds, with a high near 51. West wind around 5 mph becoming south in the afternoon.
Friday Night
 
 Rain likely, mainly after 10pm. Mostly cloudy, with a low around 37. South wind around 5 mph. Chance of precipitation is 70%.
Saturday
 
 Partly sunny, with a high near 52. West wind 5 to 10 mph.
Saturday Night
 
 Mostly cloudy, with a low around 33.
Sunday
 
 A 40 percent chance of rain after 9am. Mostly cloudy, with a high near 50.
Sunday Night
 
 A chance of rain before 11pm, then a chance of rain and snow. Mostly cloudy, with a low around 29. Chance of precipitation is 50%.
Monday
 
 A chance of rain and snow before 5pm, then a chance of rain. Mostly cloudy, with a high near 41. Chance of precipitation is 40%.
Monday Night
 
 Partly cloudy, with a low around 22.
Tuesday
 
 Mostly sunny, with a high near 40.
Tuesday Night
 
 Partly cloudy, with a low around 25.
Wednesday
 
 Mostly sunny, with a high near 45.

 

Forecast from NOAA-NWS for Seabrook NH.