Current conditions at

Pease Air Force Base / Portsmouth (KPSM)

Lat: 43.08°NLon: 70.82°WElev: 102ft.

A Few Clouds

8°F

-13°C

Humidity 51%
Wind Speed W 5 mph
Barometer 30.31 in (1026.8 mb)
Dewpoint -7°F (-22°C)
Visibility 10.00 mi
Wind Chill-1°F (-18°C)
Last update 5 Dec 6:55 am EST
Extended Forecast for

Portsmouth NH

  • Today

    Today: Sunny, with a high near 26. West wind around 5 mph becoming southwest in the afternoon.

    High: 26 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 15. Calm wind.

    Low: 15 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of rain and snow showers before 2pm, then a slight chance of rain showers between 2pm and 3pm.  Mostly cloudy, with a high near 37. Calm wind becoming southwest around 5 mph in the afternoon.  Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 37 °F

    Chance Snow
    Showers then
    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 23. West wind around 5 mph.

    Low: 23 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Partly sunny, with a high near 37. Northwest wind around 5 mph.

    High: 37 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 50 percent chance of snow after 10pm.  Mostly cloudy, with a low around 17.

    Low: 17 °F

    Chance Snow

  • Monday

    Monday: A 30 percent chance of snow before 7am.  Mostly sunny, with a high near 26.

    High: 26 °F

    Chance Snow
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 6.

    Low: 6 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 31.

    High: 31 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 26. West wind around 5 mph becoming southwest in the afternoon.
Tonight
Partly cloudy, with a low around 15. Calm wind.
Saturday
A chance of rain and snow showers before 2pm, then a slight chance of rain showers between 2pm and 3pm. Mostly cloudy, with a high near 37. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 23. West wind around 5 mph.
Sunday
Partly sunny, with a high near 37. Northwest wind around 5 mph.
Sunday Night
A 50 percent chance of snow after 10pm. Mostly cloudy, with a low around 17.
Monday
A 30 percent chance of snow before 7am. Mostly sunny, with a high near 26.
Monday Night
Mostly clear, with a low around 6.
Tuesday
Partly sunny, with a high near 31.
Tuesday Night
A chance of snow between 7pm and midnight. Mostly cloudy, with a low around 22. Chance of precipitation is 50%.
Wednesday
Mostly cloudy, with a high near 44.
Wednesday Night
Rain likely. Cloudy, with a low around 32. Chance of precipitation is 60%.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 42.
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ABOUT THIS FORECAST

 
Point Forecast:
Portsmouth NH
 43.07°N 70.78°W (Elev. 33 ft)
6:20 am EST Dec 5, 2025
7am EST Dec 5, 2025-6pm EST Dec 11, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database