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.

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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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

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