Current conditions at

Pease Air Force Base / Portsmouth (KPSM)

Lat: 43.08°NLon: 70.82°WElev: 102ft.

Mostly Cloudy

2°F

-17°C

Humidity 45%
Wind Speed Calm
Barometer 30.63 in (1037.8 mb)
Dewpoint -15°F (-26°C)
Visibility 10.00 mi
Last update 25 Jan 3:55 am EST
Extended Forecast for

Portsmouth NH

Winter Storm Warning January 25, 01:00pm until January 26, 07:00pm
Click here for hazard details and duration
Winter Storm Warning
  • Today

    Today: Snow, mainly after 2pm. The snow could be heavy at times.  High near 25. Calm wind becoming north around 5 mph in the afternoon.  Chance of precipitation is 80%. Total daytime snow accumulation of 3 to 7 inches possible.

    High: 25 °F

    Slight Chance
    Snow then
    Heavy Snow

  • Tonight

    Tonight: Snow. The snow could be heavy at times.  Low around 14. East wind 5 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 100%. New snow accumulation of 11 to 17 inches possible.

    Low: 14 °F

    Heavy Snow

  • Monday

    Monday: Snow.  High near 24. North wind 10 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 24 °F

    Snow

  • Monday Night

    Monday Night: Snow likely, mainly before 9pm.  Cloudy during the early evening, then gradual clearing, with a low around 7. Wind chill values as low as -5. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 7 °F

    Snow Likely
    then Chance
    Snow

  • Tuesday

    Tuesday: Mostly sunny, with a high near 22. West wind 5 to 10 mph.

    High: 22 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 5.

    Low: 5 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 22.

    High: 22 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 4.

    Low: 4 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 20.

    High: 20 °F

    Partly Sunny

Detailed Forecast

Today
Snow, mainly after 2pm. The snow could be heavy at times. High near 25. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 80%. Total daytime snow accumulation of 3 to 7 inches possible.
Tonight
Snow. The snow could be heavy at times. Low around 14. East wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 11 to 17 inches possible.
Monday
Snow. High near 24. North wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Monday Night
Snow likely, mainly before 9pm. Cloudy during the early evening, then gradual clearing, with a low around 7. Wind chill values as low as -5. Northwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Tuesday
Mostly sunny, with a high near 22. West wind 5 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 5.
Wednesday
Sunny, with a high near 22.
Wednesday Night
Mostly cloudy, with a low around 4.
Thursday
Partly sunny, with a high near 20.
Thursday Night
Partly cloudy, with a low around 2.
Friday
Mostly sunny, with a high near 22.
Friday Night
Partly cloudy, with a low around 5.
Saturday
Mostly sunny, with a high near 27.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Portsmouth NH
 43.07°N 70.78°W (Elev. 33 ft)
12:17 am EST Jan 25, 2026
4am EST Jan 25, 2026-6pm EST Jan 31, 2026
 
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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