Current conditions at

Pease Air Force Base / Portsmouth (KPSM)

Lat: 43.08°NLon: 70.82°WElev: 102ft.

Fair

18°F

-8°C

Humidity 64%
Wind Speed W 8 mph
Barometer 29.85 in (1011.2 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill8°F (-13°C)
Last update 25 Feb 1:55 am EST
Extended Forecast for

Portsmouth NH

  • Overnight

    Overnight: Mostly clear early, then becoming mostly cloudy, with a low around 12. Calm wind.

    Low: 12 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Rain and snow before 2pm, then a slight chance of rain between 2pm and 3pm.  High near 38. South wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 38 °F

    Snow then
    Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 24. Southwest wind around 5 mph.

    Low: 24 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 37. West wind 5 to 10 mph.

    High: 37 °F

    Sunny

  • Thursday Night

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

    Low: 15 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 37.

    High: 37 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 23.

    Low: 23 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear early, then becoming mostly cloudy, with a low around 12. Calm wind.
Wednesday
Rain and snow before 2pm, then a slight chance of rain between 2pm and 3pm. High near 38. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Wednesday Night
Partly cloudy, with a low around 24. Southwest wind around 5 mph.
Thursday
Sunny, with a high near 37. West wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 15. Calm wind.
Friday
Sunny, with a high near 37.
Friday Night
Mostly clear, with a low around 23.
Saturday
Mostly sunny, with a high near 46.
Saturday Night
Partly cloudy, with a low around 23.
Sunday
Partly sunny, with a high near 34.
Sunday Night
Partly cloudy, with a low around 8.
Monday
A 30 percent chance of snow. Mostly sunny, with a high near 24.
Monday Night
A 30 percent chance of snow. Partly cloudy, with a low around 7.
Tuesday
Mostly sunny, with a high near 31.
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ABOUT THIS FORECAST

 
Point Forecast:
Portsmouth NH
 43.07°N 70.78°W (Elev. 33 ft)
1:39 am EST Feb 25, 2026
2am EST Feb 25, 2026-6pm EST Mar 3, 2026
 
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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