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.

Partly Cloudy

73°F

23°C

Humidity 54%
Wind Speed W 9 mph
Barometer 29.88 in (1012.0 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 20 Jun 9:55 pm EDT
Extended Forecast for

Portsmouth NH

  • Tonight

    Tonight: Clear, with a low around 59. West wind around 5 mph.

    Low: 59 °F

    Clear

  • Saturday

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

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers, mainly after 2am. Increasing clouds, with a low around 64. South wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 64 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers before 7am. Partly sunny, with a high near 86. South wind 5 to 10 mph becoming west in the afternoon.

    High: 86 °F

    Chance
    Showers then
    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 67. West wind around 5 mph becoming calm in the evening.

    Low: 67 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 95.

    High: 95 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 59. West wind around 5 mph.
Saturday
Sunny, with a high near 81. West wind around 5 mph.
Saturday Night
A 30 percent chance of showers, mainly after 2am. Increasing clouds, with a low around 64. South wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A 30 percent chance of showers before 7am. Partly sunny, with a high near 86. South wind 5 to 10 mph becoming west in the afternoon.
Sunday Night
Partly cloudy, with a low around 67. West wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 86.
Monday Night
Mostly clear, with a low around 69.
Tuesday
Sunny and hot, with a high near 95.
Tuesday Night
Mostly clear, with a low around 69.
Wednesday
Mostly sunny, with a high near 79.
Wednesday Night
Mostly cloudy, with a low around 60.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 71.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 59.
Friday
A 40 percent chance of showers. Mostly cloudy, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portsmouth NH
 43.07°N 70.75°W (Elev. 3 ft)
Last Update:
7:59 pm EDT Jun 20, 2025
Forecast Valid:
10pm EDT Jun 20, 2025-6pm EDT Jun 27, 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