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.

A Few Clouds

73°F

23°C

Humidity 56%
Wind Speed SW 13 G 25 mph
Barometer 29.54 in (1000.5 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 20 Jun 7:55 am EDT
Extended Forecast for

Portsmouth NH

Wind Advisory until June 20, 06:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory until June 20, 06:00pm

    NOW until 6:00pm Fri

    Wind Advisory

  • Today

    High: 82 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 62. West wind 5 to 10 mph.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 81. West wind around 5 mph.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: A chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 64. South wind around 5 mph. Chance of precipitation is 40%.

    Low: 64 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Sunday

    Sunday: A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm. Partly sunny, with a high near 82. South wind 5 to 10 mph becoming west in the afternoon. Chance of precipitation is 30%.

    High: 82 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 82. Breezy, with a west wind 15 to 25 mph, with gusts as high as 45 mph.
Tonight
Mostly clear, with a low around 62. West wind 5 to 10 mph.
Saturday
Sunny, with a high near 81. West wind around 5 mph.
Saturday Night
A chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 64. South wind around 5 mph. Chance of precipitation is 40%.
Sunday
A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm. Partly sunny, with a high near 82. South wind 5 to 10 mph becoming west in the afternoon. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 64.
Monday
Mostly sunny, with a high near 85.
Monday Night
Partly cloudy, with a low around 69.
Tuesday
Sunny and hot, with a high near 94.
Tuesday Night
Partly cloudy, with a low around 69.
Wednesday
Mostly sunny, with a high near 78.
Wednesday Night
Partly cloudy, with a low around 61.
Thursday
A 30 percent chance of showers. Mostly cloudy, with a high near 72.
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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:
8:42 am EDT Jun 20, 2025
Forecast Valid:
9am EDT Jun 20, 2025-6pm EDT Jun 26, 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