Current conditions at

Pease Air Force Base / Portsmouth (KPSM)

Lat: 43.08°NLon: 70.82°WElev: 102ft.

Mostly Cloudy

65°F

18°C

Humidity 80%
Wind Speed W 7 mph
Barometer 29.77 in (1008.4 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 14 Oct 5:55 pm EDT
Extended Forecast for

Portsmouth NH

  • Tonight

    Tonight: Mostly clear, with a low around 45. Northwest wind 5 to 10 mph.

    Low: 45 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 60. Northwest wind around 5 mph.

    High: 60 °F

    Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 43. Calm wind.

    Low: 43 °F

    Increasing
    Clouds

  • Friday

    Friday: Rain, mainly after 7am.  High near 63. South wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 100%.

    High: 63 °F

    Rain

  • Friday Night

    Friday Night: Showers likely, mainly before midnight.  Mostly cloudy, with a low around 41. Southwest wind 5 to 10 mph.  Chance of precipitation is 60%.

    Low: 41 °F

    Showers
    Likely

  • Saturday

    Saturday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 45. Northwest wind 5 to 10 mph.
Thursday
Sunny, with a high near 60. Northwest wind around 5 mph.
Thursday Night
Increasing clouds, with a low around 43. Calm wind.
Friday
Rain, mainly after 7am. High near 63. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%.
Friday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 41. Southwest wind 5 to 10 mph. Chance of precipitation is 60%.
Saturday
Mostly sunny, with a high near 50.
Saturday Night
Mostly clear, with a low around 32.
Sunday
Sunny, with a high near 54.
Sunday Night
Mostly clear, with a low around 37.
Monday
Sunny, with a high near 62.
Monday Night
Partly cloudy, with a low around 40.
Tuesday
Mostly sunny, with a high near 64.
Tuesday Night
Mostly clear, with a low around 41.
Wednesday
Sunny, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
Portsmouth NH
 43.05°N 70.78°W (Elev. 49 ft)
2:40 pm EDT Oct 14, 2026
6pm EDT Oct 14, 2026-6pm EDT Oct 21, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database