Current conditions at

Pease Air Force Base / Portsmouth (KPSM)

Lat: 43.08°NLon: 70.82°WElev: 102ft.

Mostly Cloudy

82°F

28°C

Humidity 67%
Wind Speed SE 8 mph
Barometer 29.60 in (1002.5 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 19 Jun 6:55 pm EDT
Extended Forecast for

Portsmouth NH

Severe T-storm Watch until June 19, 11:00pm
Click here for hazard details and duration
...
  •  
    Severe T-storm Watch until June 19, 11:00pm

    NOW until 11:00pm Thu

    Severe T-storm Watch

  • Tonight

    Low: 66 °F

    Severe
    Thunderstorms
    then Mostly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 82. Breezy, with a west wind 15 to 20 mph, with gusts as high as 40 mph.

    High: 82 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 61. West wind 5 to 10 mph.

    Low: 61 °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 40 percent chance of showers after 2am.  Mostly cloudy, with a low around 63. South wind around 5 mph.

    Low: 63 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers before 2pm.  Partly sunny, with a high near 83.

    High: 83 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 9pm. Some of the storms could be severe. Mostly cloudy, with a low around 66. South wind 5 to 10 mph.
Friday
Mostly sunny, with a high near 82. Breezy, with a west wind 15 to 20 mph, with gusts as high as 40 mph.
Friday Night
Mostly clear, with a low around 61. West wind 5 to 10 mph.
Saturday
Sunny, with a high near 81. West wind around 5 mph.
Saturday Night
A 40 percent chance of showers after 2am. Mostly cloudy, with a low around 63. South wind around 5 mph.
Sunday
A 30 percent chance of showers before 2pm. Partly sunny, with a high near 83.
Sunday Night
Partly cloudy, with a low around 65.
Monday
Mostly sunny, with a high near 86.
Monday Night
Mostly clear, with a low around 69.
Tuesday
Sunny and hot, with a high near 92.
Tuesday Night
Partly cloudy, with a low around 69.
Wednesday
Mostly sunny, with a high near 82.
Wednesday Night
Partly cloudy, with a low around 62.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
Portsmouth NH
 43.05°N 70.78°W (Elev. 49 ft)
6:21 pm EDT Jun 19, 2025
7pm EDT Jun 19, 2025-6pm EDT Jun 26, 2025
 
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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