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.

Light Snow

28°F

-2°C

Humidity 77%
Wind Speed W 3 mph
Barometer 30.01 in (1016.6 mb)
Dewpoint 22°F (-6°C)
Visibility 7.00 mi
Last update 21 Feb 1:55 pm EST
Extended Forecast for

Portsmouth NH

Winter Storm Watch February 22, 07:00pm until February 24, 01:00am
Click here for hazard details and duration
Winter Storm Watch

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 32. Northeast wind around 5 mph becoming calm.

    High: 32 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 18. Calm wind becoming north around 5 mph.

    Low: 18 °F

    Partly Cloudy

  • Sunday

    Sunday: Increasing clouds, with a high near 34. Northeast wind 5 to 10 mph.

    High: 34 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Snow, mainly after 1am. Patchy blowing snow after 4am. Low around 24. Northeast wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 24 °F

    Chance Snow
    then Snow and
    Patchy
    Blowing Snow

  • Monday

    Monday: Snow. Widespread blowing snow, mainly between 7am and 3pm. High near 28. Blustery, with a north wind 20 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.

    High: 28 °F

    Snow and
    Blowing Snow

  • Monday Night

    Monday Night: Snow likely, mainly before 9pm. Patchy blowing snow before 7pm. Mostly cloudy, with a low around 19. Chance of precipitation is 70%.

    Low: 19 °F

    Snow Likely
    and Patchy
    Blowing Snow
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 10.

    Low: 10 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Snow likely, mainly after 3pm. Mostly cloudy, with a high near 34. Chance of precipitation is 60%.

    High: 34 °F

    Snow Likely

Detailed Forecast

This Afternoon
Partly sunny, with a high near 32. Northeast wind around 5 mph becoming calm.
Tonight
Partly cloudy, with a low around 18. Calm wind becoming north around 5 mph.
Sunday
Increasing clouds, with a high near 34. Northeast wind 5 to 10 mph.
Sunday Night
Snow, mainly after 1am. Patchy blowing snow after 4am. Low around 24. Northeast wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Monday
Snow. Widespread blowing snow, mainly between 7am and 3pm. High near 28. Blustery, with a north wind 20 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.
Monday Night
Snow likely, mainly before 9pm. Patchy blowing snow before 7pm. Mostly cloudy, with a low around 19. Chance of precipitation is 70%.
Tuesday
Mostly sunny, with a high near 31.
Tuesday Night
Partly cloudy, with a low around 10.
Wednesday
Snow likely, mainly after 3pm. Mostly cloudy, with a high near 34. Chance of precipitation is 60%.
Wednesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 23.
Thursday
A 40 percent chance of rain. Partly sunny, with a high near 42.
Thursday Night
Rain and snow likely. Mostly cloudy, with a low around 25. Chance of precipitation is 60%.
Friday
A chance of rain and snow. Partly sunny, with a high near 39. Chance of precipitation is 40%.
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:
2:02 pm EST Feb 21, 2026
Forecast Valid:
2pm EST Feb 21, 2026-6pm EST Feb 27, 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