National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Pease Air Force Base / Portsmouth (KPSM)

Lat: 43.08°NLon: 70.82°WElev: 102ft.

A Few Clouds

44°F

7°C

Humidity 48%
Wind Speed W 14 G 25 mph
Barometer 29.82 in (1010.1 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 6 Apr 8:55 am EDT
Extended Forecast for

Portsmouth NH

  • Today

    Today: Partly sunny, with a high near 49. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 49 °F

    Partly Sunny
    and Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 29. West wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 20 mph.

    Low: 29 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of snow before 10am, then a chance of rain. Mostly cloudy, with a high near 44. West wind 5 to 10 mph becoming east in the morning. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 44 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: Mostly cloudy, then gradually becoming clear, with a low around 24. Northwest wind around 5 mph.

    Low: 24 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Sunny, with a high near 44. Calm wind becoming south around 5 mph in the afternoon.

    High: 44 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 29.

    Low: 29 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 49. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Tonight
Partly cloudy, with a low around 29. West wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 20 mph.
Tuesday
A chance of snow before 10am, then a chance of rain. Mostly cloudy, with a high near 44. West wind 5 to 10 mph becoming east in the morning. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Mostly cloudy, then gradually becoming clear, with a low around 24. Northwest wind around 5 mph.
Wednesday
Sunny, with a high near 44. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
Clear, with a low around 29.
Thursday
Sunny, with a high near 51.
Thursday Night
Partly cloudy, with a low around 35.
Friday
Partly sunny, with a high near 60.
Friday Night
Mostly cloudy, with a low around 45.
Saturday
Mostly sunny, with a high near 63.
Saturday Night
Mostly clear, with a low around 38.
Sunday
Mostly sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portsmouth NH
 43.05°N 70.78°W (Elev. 49 ft)
Last Update:
1:37 am EDT Apr 6, 2026
Forecast Valid:
9am EDT Apr 6, 2026-6pm EDT Apr 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