Current conditions at

Pease Air Force Base / Portsmouth (KPSM)

Lat: 43.08°NLon: 70.82°WElev: 102ft.

Partly Cloudy

69°F

21°C

Humidity 92%
Wind Speed Calm
Barometer 30.01 in (1016.4 mb)
Dewpoint 66°F (19°C)
Visibility 8.00 mi
Last update 23 Jun 4:55 am EDT
Extended Forecast for

Portsmouth NH

Extreme Heat Watch June 24, 11:00am until June 24, 08:00pm
Click here for hazard details and duration
Extreme Heat Watch
  • Today

    Today: Mostly sunny, with a high near 84. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.

    High: 84 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 69. South wind around 5 mph becoming southwest after midnight.

    Low: 69 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 96. Heat index values as high as 99. West wind around 5 mph.

    High: 96 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 72. West wind around 5 mph.

    Low: 72 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 85. North wind around 5 mph becoming southeast in the afternoon.

    High: 85 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers after 2am.  Mostly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers.  Mostly cloudy, with a high near 71.

    High: 71 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers after 2am.  Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers.  Mostly cloudy, with a high near 69.

    High: 69 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 84. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.
Tonight
Mostly clear, with a low around 69. South wind around 5 mph becoming southwest after midnight.
Tuesday
Sunny and hot, with a high near 96. Heat index values as high as 99. West wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 72. West wind around 5 mph.
Wednesday
Mostly sunny, with a high near 85. North wind around 5 mph becoming southeast in the afternoon.
Wednesday Night
A 40 percent chance of showers after 2am. Mostly cloudy, with a low around 62.
Thursday
A 30 percent chance of showers. Mostly cloudy, with a high near 71.
Thursday Night
A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 58.
Friday
A 30 percent chance of showers. Mostly cloudy, with a high near 69.
Friday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 59.
Saturday
A 50 percent chance of showers. Mostly cloudy, with a high near 73.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 60.
Sunday
Partly sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
Portsmouth NH
 43.05°N 70.78°W (Elev. 49 ft)
3:09 am EDT Jun 23, 2025
5am EDT Jun 23, 2025-6pm EDT Jun 29, 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