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.

Overcast

35°F

2°C

Humidity 76%
Wind Speed NE 9 G 21 mph
Barometer 30.39 in (1029.5 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 5 Mar 2:55 pm EST
Extended Forecast for

Portsmouth NH

Winter Weather Advisory March 5, 06:00pm until March 6, 01:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Tonight

    Tonight: Snow, possibly mixed with sleet, becoming all snow after 4am. Low around 26. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. Total nighttime snow and sleet accumulation of 1 to 3 inches possible.

    Low: 26 °F

    Snow/Sleet

  • Friday

    Friday: Snow, possibly mixing with sleet after 9am, then gradually ending. Patchy fog after 1pm. High near 36. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New snow and sleet accumulation of less than a half inch possible.

    High: 36 °F

    Snow/Sleet
    then Patchy
    Fog

  • Friday Night

    Friday Night: Patchy freezing rain after 2am. Patchy fog after 4am. Otherwise, cloudy, with a low around 29. Northeast wind around 5 mph becoming calm. Chance of precipitation is 30%.

    Low: 29 °F

    Cloudy then
    Patchy
    Freezing Rain
    and Patchy
    Fog

  • Saturday

    Saturday: Patchy drizzle or freezing rain before 8am, then patchy drizzle between 8am and 11am. Patchy fog before 4pm. Otherwise, mostly cloudy, with a high near 46. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 30%.

    High: 46 °F

    Patchy
    Drizzle/Freezing
    Rain and
    Patchy Fog
    then Patchy
    Fog

  • Saturday Night

    Saturday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 40. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 40 °F

    Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 54.

    High: 54 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

Detailed Forecast

Tonight
Snow, possibly mixed with sleet, becoming all snow after 4am. Low around 26. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. Total nighttime snow and sleet accumulation of 1 to 3 inches possible.
Friday
Snow, possibly mixing with sleet after 9am, then gradually ending. Patchy fog after 1pm. High near 36. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New snow and sleet accumulation of less than a half inch possible.
Friday Night
Patchy freezing rain after 2am. Patchy fog after 4am. Otherwise, cloudy, with a low around 29. Northeast wind around 5 mph becoming calm. Chance of precipitation is 30%.
Saturday
Patchy drizzle or freezing rain before 8am, then patchy drizzle between 8am and 11am. Patchy fog before 4pm. Otherwise, mostly cloudy, with a high near 46. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 40. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Partly sunny, with a high near 54.
Sunday Night
Mostly clear, with a low around 32.
Monday
Sunny, with a high near 57.
Monday Night
Mostly clear, with a low around 36.
Tuesday
Sunny, with a high near 59.
Tuesday Night
Partly cloudy, with a low around 36.
Wednesday
A 40 percent chance of rain. Partly sunny, with a high near 57.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 36.
Thursday
A 40 percent chance of rain. Partly sunny, with a high near 49.
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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:
1:52 pm EST Mar 5, 2026
Forecast Valid:
3pm EST Mar 5, 2026-6pm EDT Mar 12, 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