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.

Partly Cloudy

30°F

-1°C

Humidity 88%
Wind Speed W 6 mph
Barometer 29.67 in (1005.1 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 26 Feb 2:55 am EST
Extended Forecast for

Portsmouth NH

  • Overnight

    Overnight: Partly cloudy, with a low around 25. Southwest wind around 5 mph.

    Low: 25 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 37. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 37 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 14. West wind around 5 mph becoming calm in the evening.

    Low: 14 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 37. Calm wind becoming south around 5 mph in the afternoon.

    High: 37 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 25. Southwest wind around 5 mph.

    Low: 25 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of snow between 8am and 1pm. Mostly cloudy, with a high near 34. Chance of precipitation is 30%.

    High: 34 °F

    Chance Snow

  • Sunday Night

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

    Low: 7 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 25. Southwest wind around 5 mph.
Thursday
Sunny, with a high near 37. West wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Mostly clear, with a low around 14. West wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 37. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 25. Southwest wind around 5 mph.
Saturday
Mostly sunny, with a high near 46.
Saturday Night
Mostly cloudy, with a low around 25.
Sunday
A chance of snow between 8am and 1pm. Mostly cloudy, with a high near 34. Chance of precipitation is 30%.
Sunday Night
Mostly clear, with a low around 7.
Monday
Sunny, with a high near 24.
Monday Night
Mostly clear, with a low around 9.
Tuesday
Partly sunny, with a high near 33.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 23. Chance of precipitation is 50%.
Wednesday
A 30 percent chance of rain. Mostly sunny, with a high near 42.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portsmouth NH
 43.07°N 70.78°W (Elev. 33 ft)
Last Update:
1:32 am EST Feb 26, 2026
Forecast Valid:
3am EST Feb 26, 2026-6pm EST Mar 4, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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