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

Hazardous Weather Conditions

Current conditions at

Pease Air Force Base / Portsmouth (KPSM)

Lat: 43.08°NLon: 70.82°WElev: 102ft.

Fair

18°F

-8°C

Humidity 73%
Wind Speed SW 6 mph
Barometer 30.01 in (1016.6 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill10°F (-12°C)
Last update 20 Jan 3:55 am EST
Extended Forecast for

Portsmouth NH

  • Today

    Today: Increasing clouds, with a high near 24. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 24 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly clear, with a low around 10. Wind chill values as low as zero. West wind 5 to 10 mph.

    Low: 10 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 32. Wind chill values as low as zero. Southwest wind 5 to 10 mph.

    High: 32 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: A chance of snow between 9pm and 5am. Mostly cloudy, with a low around 22. Southwest wind around 5 mph. Chance of precipitation is 40%.

    Low: 22 °F

    Chance Snow

  • Thursday

    Thursday: Mostly sunny, with a high near 41. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 41 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 28.

    High: 28 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 2.

    Low: 2 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 12.

    High: 12 °F

    Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 24. West wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 10. Wind chill values as low as zero. West wind 5 to 10 mph.
Wednesday
Increasing clouds, with a high near 32. Wind chill values as low as zero. Southwest wind 5 to 10 mph.
Wednesday Night
A chance of snow between 9pm and 5am. Mostly cloudy, with a low around 22. Southwest wind around 5 mph. Chance of precipitation is 40%.
Thursday
Mostly sunny, with a high near 41. West wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 20.
Friday
Mostly sunny, with a high near 28.
Friday Night
Partly cloudy, with a low around 2.
Saturday
Sunny, with a high near 12.
Saturday Night
Partly cloudy, with a low around 1.
Sunday
A 30 percent chance of snow. Mostly cloudy, with a high near 13.
Sunday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 4.
Monday
Partly sunny, with a high near 17.
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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:
12:28 am EST Jan 20, 2026
Forecast Valid:
4am EST Jan 20, 2026-6pm EST Jan 26, 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