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

31°F

-1°C

Humidity 91%
Wind Speed N 12 mph
Barometer 29.69 in (1005.8 mb)
Dewpoint 29°F (-2°C)
Visibility 3.00 mi
Wind Chill22°F (-6°C)
Last update 2 Dec 7:55 pm EST
Extended Forecast for

Portsmouth NH

Winter Storm Warning December 2, 08:27pm until December 3, 04:00am
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning December 2, 08:27pm until December 3, 04:00am

    NOW until 4:00am Wed

    Winter Storm Warning

  • Tonight

    Low: 27 °F

    Rain/Snow
    then
    Rain/Snow
    Likely

  • Wednesday

    Wednesday: Mostly sunny, with a high near 40. Northwest wind around 5 mph.

    High: 40 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 25. Calm wind becoming southwest around 5 mph after midnight.

    Low: 25 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of snow showers between 4pm and 5pm. Mostly cloudy, with a high near 39. Southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 39 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 8. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 8 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 28.

    High: 28 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 16.

    Low: 16 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of snow after noon. Mostly cloudy, with a high near 36.

    High: 36 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

Tonight
Snow, possibly mixed with rain before 4am, then a slight chance of snow. The snow could be heavy at times. Low around 27. North wind 5 to 10 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 2 to 4 inches possible.
Wednesday
Mostly sunny, with a high near 40. Northwest wind around 5 mph.
Wednesday Night
Mostly cloudy, with a low around 25. Calm wind becoming southwest around 5 mph after midnight.
Thursday
A chance of snow showers between 4pm and 5pm. Mostly cloudy, with a high near 39. Southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Thursday Night
Mostly clear, with a low around 8. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 28.
Friday Night
Mostly cloudy, with a low around 16.
Saturday
A 30 percent chance of snow after noon. Mostly cloudy, with a high near 36.
Saturday Night
Partly cloudy, with a low around 21.
Sunday
Mostly sunny, with a high near 36.
Sunday Night
Partly cloudy, with a low around 12.
Monday
Mostly sunny, with a high near 27.
Monday Night
Partly cloudy, with a low around 10.
Tuesday
Mostly sunny, with a high near 29.
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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:
1:09 pm EST Dec 2, 2025
Forecast Valid:
8pm EST Dec 2, 2025-6pm EST Dec 9, 2025
 
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