Current conditions at

Pease Air Force Base / Portsmouth (KPSM)

Lat: 43.08°NLon: 70.82°WElev: 102ft.

Fog/Mist

42°F

6°C

Humidity 94%
Wind Speed W 3 mph
Barometer 29.84 in (1010.8 mb)
Dewpoint 40°F (4°C)
Visibility 1.25 mi
Last update 5 Apr 9:55 am EDT
Extended Forecast for

Portsmouth NH

  • Today

    Today: A chance of showers before 11am, then showers and possibly a thunderstorm between 11am and 2pm, then showers after 2pm.  Patchy fog. High near 54. West wind around 5 mph.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 54 °F

    Showers and
    Patchy Fog

  • Tonight

    Tonight: Showers likely, mainly before 7pm.  Cloudy during the early evening, then gradual clearing, with a low around 35. West wind around 5 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Showers
    Likely then
    Partly Cloudy

  • Monday

    Monday: Increasing clouds, with a high near 49. West wind around 10 mph, with gusts as high as 20 mph.

    High: 49 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Partly cloudy, with a low around 30. West wind around 5 mph becoming calm.

    Low: 30 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of rain and snow showers.  Partly sunny, with a high near 44. North wind 5 to 10 mph.  Chance of precipitation is 50%.

    High: 44 °F

    Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 23.

    Low: 23 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

Detailed Forecast

Today
A chance of showers before 11am, then showers and possibly a thunderstorm between 11am and 2pm, then showers after 2pm. Patchy fog. High near 54. West wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers likely, mainly before 7pm. Cloudy during the early evening, then gradual clearing, with a low around 35. West wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Increasing clouds, with a high near 49. West wind around 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 30. West wind around 5 mph becoming calm.
Tuesday
A chance of rain and snow showers. Partly sunny, with a high near 44. North wind 5 to 10 mph. Chance of precipitation is 50%.
Tuesday Night
Mostly clear, with a low around 23.
Wednesday
Sunny, with a high near 44.
Wednesday Night
Mostly clear, with a low around 30.
Thursday
Sunny, with a high near 54.
Thursday Night
Partly cloudy, with a low around 39.
Friday
Mostly sunny, with a high near 58.
Friday Night
Partly cloudy, with a low around 38.
Saturday
Mostly sunny, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
Portsmouth NH
 43.07°N 70.78°W (Elev. 33 ft)
6:27 am EDT Apr 5, 2026
10am EDT Apr 5, 2026-6pm EDT Apr 11, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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