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 Fog/Mist

25°F

-4°C

Humidity 91%
Wind Speed Calm
Barometer 30.06 in (1018.3 mb)
Dewpoint 23°F (-5°C)
Visibility 3.00 mi
Last update 22 Jan 12:55 am EST
Extended Forecast for

Portsmouth NH

  • Overnight

    Overnight: A 50 percent chance of snow, mainly before 4am. Mostly cloudy, with a steady temperature around 31. South wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 31 °F

    Chance Snow

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 41. West wind around 10 mph, with gusts as high as 20 mph.

    High: 41 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 19. West wind 5 to 10 mph.

    Low: 19 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 30. West wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 30 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 0. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 0 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 13.

    High: 13 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 1.

    Low: 1 °F

    Mostly Cloudy

  • Sunday

    Sunday: Snow likely, mainly after 2pm. Mostly cloudy, with a high near 20. Chance of precipitation is 70%.

    High: 20 °F

    Chance Snow
    then Snow
    Likely

  • Sunday Night

    Sunday Night: Snow. Low around 10. Chance of precipitation is 80%.

    Low: 10 °F

    Snow

Detailed Forecast

Overnight
A 50 percent chance of snow, mainly before 4am. Mostly cloudy, with a steady temperature around 31. South wind 10 to 15 mph, with gusts as high as 30 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 41. West wind around 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 19. West wind 5 to 10 mph.
Friday
Mostly sunny, with a high near 30. West wind 5 to 15 mph, with gusts as high as 25 mph.
Friday Night
Partly cloudy, with a low around 0. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday
Sunny, with a high near 13.
Saturday Night
Mostly cloudy, with a low around 1.
Sunday
Snow likely, mainly after 2pm. Mostly cloudy, with a high near 20. Chance of precipitation is 70%.
Sunday Night
Snow. Low around 10. Chance of precipitation is 80%.
Monday
Snow likely, mainly before 10am. Mostly cloudy, with a high near 22. Chance of precipitation is 60%.
Monday Night
Partly cloudy, with a low around 6.
Tuesday
Mostly sunny, with a high near 22.
Tuesday Night
Mostly clear, with a low around 9.
Wednesday
Mostly sunny, with a high near 26.
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:
12:42 am EST Jan 22, 2026
Forecast Valid:
1am EST Jan 22, 2026-6pm EST Jan 28, 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