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.

Fair

17°F

-8°C

Humidity 50%
Wind Speed W 16 G 26 mph
Barometer 29.65 in (1004.4 mb)
Dewpoint 2°F (-17°C)
Visibility 10.00 mi
Wind Chill2°F (-17°C)
Last update 1 Jan 6:55 pm EST
Extended Forecast for

Portsmouth NH

  • Tonight

    Tonight: Partly cloudy, with a low around 10. Wind chill values as low as -1. West wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 10 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 26. Wind chill values as low as -1. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 26 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 13. West wind around 5 mph.

    Low: 13 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 26. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 26 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 14. Calm wind.

    Low: 14 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 26.

    High: 26 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 7.

    Low: 7 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 22.

    High: 22 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of snow after 9pm. Mostly cloudy, with a low around 14.

    Low: 14 °F

    Chance Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 10. Wind chill values as low as -1. West wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 26. Wind chill values as low as -1. West wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 13. West wind around 5 mph.
Saturday
Mostly sunny, with a high near 26. West wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around 14. Calm wind.
Sunday
Partly sunny, with a high near 26.
Sunday Night
Mostly clear, with a low around 7.
Monday
Mostly sunny, with a high near 22.
Monday Night
A 30 percent chance of snow after 9pm. Mostly cloudy, with a low around 14.
Tuesday
Mostly cloudy, with a high near 33.
Tuesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 25.
Wednesday
A chance of rain and snow. Mostly cloudy, with a high near 41. Chance of precipitation is 50%.
Wednesday Night
Mostly cloudy, with a low around 29.
Thursday
Mostly sunny, with a high near 41.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Portsmouth NH
 43.07°N 70.78°W (Elev. 33 ft)
Last Update:
6:23 pm EST Jan 1, 2026
Forecast Valid:
7pm EST Jan 1, 2026-6pm EST Jan 8, 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