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

24°F

-4°C

Humidity 49%
Wind Speed W 17 G 26 mph
Barometer 29.42 in (996.6 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 30 Dec 3:55 pm EST
Extended Forecast for

Portsmouth NH

Wind Advisory December 30, 04:01pm until December 30, 07:00pm
Click here for hazard details and duration
...
  •  
    Wind Advisory December 30, 04:01pm until December 30, 07:00pm

    NOW until 7:00pm Tue

    Wind Advisory

  • Tonight

    Low: 16 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 31. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 31 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Snow likely, mainly after 4am. Mostly cloudy, with a low around 20. Southwest wind around 5 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 20 °F

    Slight Chance
    Snow then
    Snow Likely

  • New Year's Day

    New Year's Day: A 50 percent chance of snow before 2pm. Mostly cloudy, then gradually becoming sunny, with a high near 29. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 29 °F

    Chance Snow

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 8. West wind 5 to 10 mph.

    Low: 8 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 26.

    High: 26 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 15.

    Low: 15 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 26.

    High: 26 °F

    Mostly Sunny

Detailed Forecast

Tonight
Partly cloudy, with a low around 16. West wind 10 to 15 mph, with gusts as high as 30 mph.
Wednesday
Partly sunny, with a high near 31. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Snow likely, mainly after 4am. Mostly cloudy, with a low around 20. Southwest wind around 5 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
New Year's Day
A 50 percent chance of snow before 2pm. Mostly cloudy, then gradually becoming sunny, with a high near 29. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Mostly clear, with a low around 8. West wind 5 to 10 mph.
Friday
Mostly sunny, with a high near 26.
Friday Night
Mostly clear, with a low around 15.
Saturday
Mostly sunny, with a high near 26.
Saturday Night
Partly cloudy, with a low around 9.
Sunday
Mostly sunny, with a high near 25.
Sunday Night
Partly cloudy, with a low around 13.
Monday
A 30 percent chance of snow. Partly sunny, with a high near 31.
Monday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 18.
Tuesday
Partly sunny, with a high near 32.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portsmouth NH
 43.07°N 70.78°W (Elev. 33 ft)
Last Update:
12:35 pm EST Dec 30, 2025
Forecast Valid:
4pm EST Dec 30, 2025-6pm EST Jan 6, 2026
 
Forecast Discussion
 
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Additional Resources

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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