National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Pease Air Force Base / Portsmouth (KPSM)

Lat: 43.08°NLon: 70.82°WElev: 102ft.

Partly Cloudy

83°F

28°C

Humidity 73%
Wind Speed S 8 mph
Barometer 29.90 in (1012.7 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 7 Jul 9:55 pm EDT
Extended Forecast for

Seabrook NH

Heat Advisory July 8, 11:00am until July 8, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: Mostly cloudy, with a low around 72. South wind 5 to 10 mph.

    Low: 72 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 89. Heat index values as high as 99. West wind around 5 mph becoming northeast in the afternoon. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 89 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely after 2am. Mostly cloudy, with a low around 64. Northeast wind around 5 mph becoming calm. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: A 30 percent chance of showers after 2pm. Mostly cloudy, with a high near 74. East wind around 5 mph.

    High: 74 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Chance
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers. Mostly cloudy, with a high near 73.

    High: 73 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers before 2am. Mostly cloudy, with a low around 61.

    Low: 61 °F

    Chance
    Showers

  • Friday

    Friday: Mostly cloudy, with a high near 73.

    High: 73 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 60.

    Low: 60 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 72. South wind 5 to 10 mph.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 89. Heat index values as high as 99. West wind around 5 mph becoming northeast in the afternoon. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms, then showers likely after 2am. Mostly cloudy, with a low around 64. Northeast wind around 5 mph becoming calm. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 30 percent chance of showers after 2pm. Mostly cloudy, with a high near 74. East wind around 5 mph.
Wednesday Night
A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 62. Calm wind.
Thursday
A 30 percent chance of showers. Mostly cloudy, with a high near 73.
Thursday Night
A 30 percent chance of showers before 2am. Mostly cloudy, with a low around 61.
Friday
Mostly cloudy, with a high near 73.
Friday Night
Mostly cloudy, with a low around 60.
Saturday
Partly sunny, with a high near 76.
Saturday Night
Partly cloudy, with a low around 60.
Sunday
Partly sunny, with a high near 80.
Sunday Night
Partly cloudy, with a low around 63.
Monday
Mostly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Seabrook NH
 42.88°N 70.85°W (Elev. 20 ft)
Last Update:
10:04 pm EDT Jul 7, 2025
Forecast Valid:
10pm EDT Jul 7, 2025-6pm EDT Jul 14, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation