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.

A Few Clouds

33°F

1°C

Humidity 41%
Wind Speed W 6 mph
Barometer 30.02 in (1017.0 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 13 Feb 5:55 pm EST
Extended Forecast for

Portsmouth NH

  • Tonight

    Tonight: Partly cloudy, with a low around 15. Calm wind becoming west around 5 mph.

    Low: 15 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 37. West wind around 5 mph.

    High: 37 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 14. West wind around 5 mph.

    Low: 14 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 35. Northwest wind around 5 mph becoming calm in the afternoon.

    High: 35 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 21. Calm wind.

    Low: 21 °F

    Mostly Cloudy

  • Washington's Birthday

    Washington's Birthday: Mostly cloudy, with a high near 39.

    High: 39 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 47.

    High: 47 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 15. Calm wind becoming west around 5 mph.
Saturday
Sunny, with a high near 37. West wind around 5 mph.
Saturday Night
Mostly clear, with a low around 14. West wind around 5 mph.
Sunday
Sunny, with a high near 35. Northwest wind around 5 mph becoming calm in the afternoon.
Sunday Night
Mostly cloudy, with a low around 21. Calm wind.
Washington's Birthday
Mostly cloudy, with a high near 39.
Monday Night
Mostly cloudy, with a low around 29.
Tuesday
Partly sunny, with a high near 47.
Tuesday Night
Partly cloudy, with a low around 27.
Wednesday
A 30 percent chance of rain after 1pm. Partly sunny, with a high near 41.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 25. Chance of precipitation is 40%.
Thursday
A 30 percent chance of snow. Partly sunny, with a high near 37.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 19.
Friday
A chance of rain and snow. Mostly cloudy, with a high near 33. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portsmouth NH
 43.07°N 70.78°W (Elev. 33 ft)
Last Update:
1:30 pm EST Feb 13, 2026
Forecast Valid:
6pm EST Feb 13, 2026-6pm EST Feb 20, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation