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

Pease Air Force Base / Portsmouth (KPSM)

Lat: 43.08°NLon: 70.82°WElev: 102ft.

Overcast

68°F

20°C

Humidity 86%
Wind Speed Calm
Barometer 29.81 in (1009.7 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 23 Jun 7:55 pm EDT
Extended Forecast for

Seabrook NH

  • Tonight

    Tonight: A 20 percent chance of showers before 10pm. Areas of fog after 9pm. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 58. Calm wind.

    Low: 58 °F

    Slight Chance
    Showers and
    Areas Fog
    then Areas
    Fog

  • Wednesday

    Wednesday: Patchy fog before 8am. Otherwise, sunny, with a high near 80. Northwest wind around 5 mph.

    High: 80 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59. West wind around 5 mph.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 82. Calm wind becoming south around 5 mph in the afternoon.

    High: 82 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 50 percent chance of showers after 11pm. Mostly cloudy, with a low around 62. South wind around 5 mph.

    Low: 62 °F

    Chance
    Showers

  • Friday

    Friday: Showers before 2pm, then showers likely and possibly a thunderstorm between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm. High near 82. Chance of precipitation is 80%.

    High: 82 °F

    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 9pm. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.

    Low: 61 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers between 11am and noon. Partly sunny, with a high near 78. Chance of precipitation is 30%.

    High: 78 °F

    Chance
    Showers then
    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of showers before 10pm. Areas of fog after 9pm. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 58. Calm wind.
Wednesday
Patchy fog before 8am. Otherwise, sunny, with a high near 80. Northwest wind around 5 mph.
Wednesday Night
Mostly clear, with a low around 59. West wind around 5 mph.
Thursday
Mostly sunny, with a high near 82. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
A 50 percent chance of showers after 11pm. Mostly cloudy, with a low around 62. South wind around 5 mph.
Friday
Showers before 2pm, then showers likely and possibly a thunderstorm between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm. High near 82. Chance of precipitation is 80%.
Friday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 9pm. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.
Saturday
A chance of showers between 11am and noon. Partly sunny, with a high near 78. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 61.
Sunday
Mostly sunny, with a high near 83.
Sunday Night
Partly cloudy, with a low around 61.
Monday
Mostly sunny, with a high near 84.
Monday Night
Partly cloudy, with a low around 63.
Tuesday
Mostly sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Seabrook NH
 42.86°N 70.86°W (Elev. 49 ft)
Last Update:
6:33 pm EDT Jun 23, 2026
Forecast Valid:
8pm EDT Jun 23, 2026-6pm EDT Jun 30, 2026
 
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