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

34°F

1°C

Humidity 66%
Wind Speed NE 5 mph
Barometer 30.13 in (1020.7 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 22 Feb 1:55 pm EST
Extended Forecast for

Portsmouth NH

Blizzard Warning February 23, 12:00am until February 23, 10:00pm
Coastal Flood Warning February 23, 01:00pm until February 23, 06:00pm
Click here for hazard details and duration
Blizzard Warning
Coastal Flood Warning

  • This Afternoon

    This Afternoon: Cloudy, with a high near 33. East wind around 10 mph.

    High: 33 °F

    Cloudy

  • Tonight

    Tonight: Snow, mainly after 1am. Low around 22. Blustery, with a northeast wind 10 to 15 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 22 °F

    Chance Snow
    then Snow and
    Blustery

  • Monday

    Monday: Snow. The snow could be heavy at times. Widespread blowing snow, mainly after 7am. High near 29. Windy, with a north wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.

    High: 29 °F

    Heavy Snow
    and Blowing
    Snow

  • Monday Night

    Monday Night: Snow likely, mainly before 9pm. Areas of blowing snow before 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 18. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 18 °F

    Snow Likely
    and Areas
    Blowing Snow
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 30. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 30 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 10.

    Low: 10 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Snow, mainly before 5pm. High near 36. Chance of precipitation is 80%.

    High: 36 °F

    Snow

  • Wednesday Night

    Wednesday Night: A 40 percent chance of snow before 9pm. Partly cloudy, with a low around 21.

    Low: 21 °F

    Chance Snow
    then Partly
    Cloudy

  • Thursday

    Thursday: A chance of snow after 2pm, mixing with rain after 4pm. Mostly sunny, with a high near 38. Chance of precipitation is 40%.

    High: 38 °F

    Mostly Sunny
    then Chance
    Rain/Snow

Detailed Forecast

This Afternoon
Cloudy, with a high near 33. East wind around 10 mph.
Tonight
Snow, mainly after 1am. Low around 22. Blustery, with a northeast wind 10 to 15 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Monday
Snow. The snow could be heavy at times. Widespread blowing snow, mainly after 7am. High near 29. Windy, with a north wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.
Monday Night
Snow likely, mainly before 9pm. Areas of blowing snow before 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 18. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Tuesday
Mostly sunny, with a high near 30. West wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Partly cloudy, with a low around 10.
Wednesday
Snow, mainly before 5pm. High near 36. Chance of precipitation is 80%.
Wednesday Night
A 40 percent chance of snow before 9pm. Partly cloudy, with a low around 21.
Thursday
A chance of snow after 2pm, mixing with rain after 4pm. Mostly sunny, with a high near 38. Chance of precipitation is 40%.
Thursday Night
Rain and snow likely, mainly after 8pm. Mostly cloudy, with a low around 25. Chance of precipitation is 70%.
Friday
A chance of rain and snow. Partly sunny, with a high near 40. Chance of precipitation is 40%.
Friday Night
Mostly clear, with a low around 17.
Saturday
Mostly sunny, with a high near 43.
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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:
1:23 pm EST Feb 22, 2026
Forecast Valid:
2pm EST Feb 22, 2026-6pm EST Feb 28, 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