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.

Mostly Cloudy

33°F

1°C

Humidity 86%
Wind Speed Calm
Barometer 29.89 in (1012.5 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 22 Jan 5:55 am EST
Extended Forecast for

Portsmouth NH

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 41. West wind around 10 mph, with gusts as high as 30 mph.

    High: 41 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: 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. Wind chill values as low as -14. 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. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    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

  • Monday

    Monday: Snow likely, mainly before 10am. Mostly cloudy, with a high near 22. Chance of precipitation is 60%.

    High: 22 °F

    Snow Likely

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 41. West wind around 10 mph, with gusts as high as 30 mph.
Tonight
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. Wind chill values as low as -14. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday
Sunny, with a high near 13. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.
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:
4:58 am EST Jan 22, 2026
Forecast Valid:
6am 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