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 Rain Fog/Mist

41°F

5°C

Humidity 95%
Wind Speed SE 5 mph
Barometer 29.98 in (1015.6 mb)
Dewpoint 40°F (4°C)
Visibility 4.00 mi
Wind Chill38°F (3°C)
Last update 30 Nov 7:55 pm EST
Extended Forecast for

Portsmouth NH

Winter Storm Watch December 2, 07:00am until December 3, 01:00am
Click here for hazard details and duration
Winter Storm Watch

  • Tonight

    Tonight: A 40 percent chance of rain before 10pm. Cloudy during the early evening, then gradual clearing, with a low around 31. West wind 5 to 10 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 31 °F

    Chance Rain
    then Partly
    Cloudy

  • Monday

    Monday: Sunny, with a high near 41. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 41 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 21. Northwest wind around 5 mph becoming calm.

    Low: 21 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Snow, mainly after 8am. High near 38. Calm wind becoming east around 5 mph in the morning. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    High: 38 °F

    Snow

  • Tuesday Night

    Tuesday Night: Snow, mainly before midnight. Low around 24. Northeast wind 5 to 10 mph becoming northwest after midnight. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 24 °F

    Snow then
    Chance Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 39.

    High: 39 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 9.

    Low: 9 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 40 percent chance of rain before 10pm. Cloudy during the early evening, then gradual clearing, with a low around 31. West wind 5 to 10 mph. New precipitation amounts of less than a tenth of an inch possible.
Monday
Sunny, with a high near 41. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Increasing clouds, with a low around 21. Northwest wind around 5 mph becoming calm.
Tuesday
Snow, mainly after 8am. High near 38. Calm wind becoming east around 5 mph in the morning. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Tuesday Night
Snow, mainly before midnight. Low around 24. Northeast wind 5 to 10 mph becoming northwest after midnight. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Wednesday
Mostly sunny, with a high near 37.
Wednesday Night
Mostly cloudy, with a low around 24.
Thursday
Mostly cloudy, with a high near 39.
Thursday Night
Partly cloudy, with a low around 9.
Friday
Sunny, with a high near 27.
Friday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 15.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 37. Chance of precipitation is 40%.
Saturday Night
Mostly cloudy, with a low around 21.
Sunday
Partly sunny, with a high near 36.
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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:
1:29 pm EST Nov 30, 2025
Forecast Valid:
8pm EST Nov 30, 2025-6pm EST Dec 7, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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