National Weather Service Forecast for: Seabrook NH
Issued by: National Weather Service Gray/Portland, ME
Updated: 5:30 am EDT Jun 22, 2026
 
Today

Today: Showers likely, mainly after 5pm. Increasing clouds, with a high near 76. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Partly Sunny
then Showers
Likely
 Tonight

Tonight: Rain and possibly a thunderstorm, mainly before 5am, then showers likely and possibly a thunderstorm after 5am. Patchy fog after 4am. Low around 58. East wind around 5 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Showers and
Patchy Fog
 Tuesday

Tuesday: Rain and possibly a thunderstorm before 1pm, then scattered showers, mainly between 1pm and 4pm. High near 77. South wind around 5 mph becoming northwest in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Showers

 Tuesday
Night
Tuesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 59. Calm wind becoming northwest around 5 mph in the evening.
Decreasing
Clouds
 Wednesday

Wednesday: Sunny, with a high near 79. Northwest wind 5 to 10 mph.
Sunny

 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 61.
Mostly Clear

 Thursday

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

 Thursday
Night
Thursday Night: A 40 percent chance of showers after midnight. Mostly cloudy, with a low around 62.
Mostly Cloudy
then Chance
Showers
 Friday

Friday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 70%.
Showers
Likely
Hi 76 °F Lo 58 °F Hi 77 °F Lo 59 °F Hi 79 °F Lo 61 °F Hi 81 °F Lo 62 °F Hi 80 °F

 

Today
 
 Showers likely, mainly after 5pm. Increasing clouds, with a high near 76. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
 
 Rain and possibly a thunderstorm, mainly before 5am, then showers likely and possibly a thunderstorm after 5am. Patchy fog after 4am. Low around 58. East wind around 5 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
 
 Rain and possibly a thunderstorm before 1pm, then scattered showers, mainly between 1pm and 4pm. High near 77. South wind around 5 mph becoming northwest in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
 
 Mostly cloudy, then gradually becoming mostly clear, with a low around 59. Calm wind becoming northwest around 5 mph in the evening.
Wednesday
 
 Sunny, with a high near 79. Northwest wind 5 to 10 mph.
Wednesday Night
 
 Mostly clear, with a low around 61.
Thursday
 
 Mostly sunny, with a high near 81.
Thursday Night
 
 A 40 percent chance of showers after midnight. Mostly cloudy, with a low around 62.
Friday
 
 Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 70%.
Friday Night
 
 A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 50%.
Saturday
 
 Mostly sunny, with a high near 82.
Saturday Night
 
 Partly cloudy, with a low around 64.
Sunday
 
 Sunny, with a high near 83.

 

Forecast from NOAA-NWS for Seabrook NH.