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

22°F

-6°C

Humidity 52%
Wind Speed NW 3 mph
Barometer 30.10 in (1019.7 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Last update 27 Dec 1:55 pm EST
Extended Forecast for

Portsmouth NH

Winter Weather Advisory December 28, 10:00pm until December 29, 07:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • This Afternoon

    This Afternoon: Sunny, with a high near 24. Northwest wind around 5 mph.

    High: 24 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 12. Calm wind.

    Low: 12 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 36. West wind around 5 mph.

    High: 36 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Freezing rain, mainly after 10pm. Low around 25. Calm wind becoming south around 5 mph. Chance of precipitation is 90%.

    Low: 25 °F

    Chance
    Freezing Rain
    then Freezing
    Rain

  • Monday

    Monday: Rain. High near 44. South wind around 5 mph. Chance of precipitation is 100%.

    High: 44 °F

    Rain

  • Monday Night

    Monday Night: Rain likely, mainly before 7pm. Partly cloudy, with a low around 21. Chance of precipitation is 60%.

    Low: 21 °F

    Rain Likely
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 29.

    High: 29 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 16.

    Low: 16 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 33.

    High: 33 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 24. Northwest wind around 5 mph.
Tonight
Mostly clear, with a low around 12. Calm wind.
Sunday
Increasing clouds, with a high near 36. West wind around 5 mph.
Sunday Night
Freezing rain, mainly after 10pm. Low around 25. Calm wind becoming south around 5 mph. Chance of precipitation is 90%.
Monday
Rain. High near 44. South wind around 5 mph. Chance of precipitation is 100%.
Monday Night
Rain likely, mainly before 7pm. Partly cloudy, with a low around 21. Chance of precipitation is 60%.
Tuesday
Partly sunny, with a high near 29.
Tuesday Night
Partly cloudy, with a low around 16.
Wednesday
Partly sunny, with a high near 33.
Wednesday Night
Mostly cloudy, with a low around 19.
New Year's Day
A 30 percent chance of snow showers. Mostly cloudy, with a high near 28.
Thursday Night
A 30 percent chance of snow showers. Mostly cloudy, with a low around 11.
Friday
Mostly sunny, with a high near 25.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portsmouth NH
 43.05°N 70.78°W (Elev. 49 ft)
Last Update:
1:47 pm EST Dec 27, 2025
Forecast Valid:
2pm EST Dec 27, 2025-6pm EST Jan 2, 2026
 
Forecast Discussion
 
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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