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.

A Few Clouds

1°F

-17°C

Humidity 38%
Wind Speed NW 10 mph
Barometer 30.45 in (1031.6 mb)
Dewpoint -19°F (-28°C)
Visibility 10.00 mi
Wind Chill-15°F (-26°C)
Last update 24 Jan 6:55 am EST
Extended Forecast for

Portsmouth NH

Winter Storm Watch January 25, 01:00pm until January 26, 07:00pm
Cold Weather Advisory until January 24, 10:00am
Click here for hazard details and duration
Winter Storm Watch
...
  •  
    Cold Weather Advisory until January 24, 10:00am

    NOW until 10:00am Sat

    Cold Weather Advisory

  • Today

    High: 12 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around -1. Northwest wind around 5 mph.

    Low: -1 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Snow, mainly after 2pm. The snow could be heavy at times. High near 25. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    High: 25 °F

    Chance Snow
    then Heavy
    Snow

  • Sunday Night

    Sunday Night: Snow. The snow could be heavy at times. Low around 14. East wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 10 to 16 inches possible.

    Low: 14 °F

    Heavy Snow

  • Monday

    Monday: Snow. High near 23. North wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    High: 23 °F

    Snow

  • Monday Night

    Monday Night: Snow likely, mainly before 7pm. Mostly cloudy, with a low around 8. Chance of precipitation is 60%.

    Low: 8 °F

    Snow Likely
    then Chance
    Snow

  • Tuesday

    Tuesday: Mostly sunny, with a high near 21.

    High: 21 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 5.

    Low: 5 °F

    Partly Cloudy

Detailed Forecast

Today
Sunny, with a high near 12. Wind chill values as low as -15. Northwest wind around 10 mph, with gusts as high as 20 mph.
Tonight
Increasing clouds, with a low around -1. Northwest wind around 5 mph.
Sunday
Snow, mainly after 2pm. The snow could be heavy at times. High near 25. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Sunday Night
Snow. The snow could be heavy at times. Low around 14. East wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 10 to 16 inches possible.
Monday
Snow. High near 23. North wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Monday Night
Snow likely, mainly before 7pm. Mostly cloudy, with a low around 8. Chance of precipitation is 60%.
Tuesday
Mostly sunny, with a high near 21.
Tuesday Night
Partly cloudy, with a low around 5.
Wednesday
Mostly sunny, with a high near 23.
Wednesday Night
Partly cloudy, with a low around 2.
Thursday
Partly sunny, with a high near 20.
Thursday Night
Mostly cloudy, with a low around 3.
Friday
Partly sunny, with a high near 23.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portsmouth NH
 43.05°N 70.78°W (Elev. 49 ft)
Last Update:
6:21 am EST Jan 24, 2026
Forecast Valid:
7am EST Jan 24, 2026-6pm EST Jan 30, 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