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

73°F

23°C

Humidity 92%
Wind Speed W 3 mph
Barometer 30.00 in (1016.1 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 15 Jul 12:55 am EDT
Extended Forecast for

Seabrook NH

  • Overnight

    Overnight: A 30 percent chance of showers, mainly between 2am and 3am. Patchy fog. Otherwise, cloudy, with a low around 69. Southwest wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 69 °F

    Chance
    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: A slight chance of showers before 7am, then a slight chance of showers after 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 87. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 87 °F

    Patchy Fog
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Patchy fog after 2am. Otherwise, mostly clear, with a low around 69. South wind around 5 mph becoming calm.

    Low: 69 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 7am. Otherwise, sunny and hot, with a high near 90. Heat index values as high as 95. Calm wind becoming south around 5 mph in the afternoon.

    High: 90 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 72. Southwest wind around 5 mph.

    Low: 72 °F

    Partly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 2pm. Patchy fog before 7am. Otherwise, partly sunny, with a high near 89. Chance of precipitation is 40%.

    High: 89 °F

    Chance
    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: Scattered thunderstorms before 8pm. Patchy fog after 3am. Otherwise, partly cloudy, with a low around 72. Chance of precipitation is 30%.

    Low: 72 °F

    Scattered
    T-storms then
    Patchy Fog

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 2pm. Patchy fog before 7am. Otherwise, mostly sunny, with a high near 87.

    High: 87 °F

    Patchy Fog
    then Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 65.

    Low: 65 °F

    Chance
    T-storms then
    Mostly Cloudy

Detailed Forecast

Overnight
A 30 percent chance of showers, mainly between 2am and 3am. Patchy fog. Otherwise, cloudy, with a low around 69. Southwest wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A slight chance of showers before 7am, then a slight chance of showers after 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 87. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 20%.
Tuesday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 69. South wind around 5 mph becoming calm.
Wednesday
Patchy fog before 7am. Otherwise, sunny and hot, with a high near 90. Heat index values as high as 95. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 72. Southwest wind around 5 mph.
Thursday
A chance of showers, with thunderstorms also possible after 2pm. Patchy fog before 7am. Otherwise, partly sunny, with a high near 89. Chance of precipitation is 40%.
Thursday Night
Scattered thunderstorms before 8pm. Patchy fog after 3am. Otherwise, partly cloudy, with a low around 72. Chance of precipitation is 30%.
Friday
A 30 percent chance of showers and thunderstorms after 2pm. Patchy fog before 7am. Otherwise, mostly sunny, with a high near 87.
Friday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 65.
Saturday
Mostly sunny, with a high near 81.
Saturday Night
Partly cloudy, with a low around 64.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 81.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 65.
Monday
Mostly sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Seabrook NH
 42.89°N 70.88°W (Elev. 49 ft)
Last Update:
7:55 pm EDT Jul 14, 2025
Forecast Valid:
1am EDT Jul 15, 2025-6pm EDT Jul 21, 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