Current conditions at

Pease Air Force Base / Portsmouth (KPSM)

Lat: 43.08°NLon: 70.82°WElev: 102ft.

Mostly Cloudy

36°F

2°C

Humidity 70%
Wind Speed S 6 mph
Barometer 30.22 in (1023.7 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 22 Apr 12:55 am EDT
Extended Forecast for

Portsmouth NH

  • Overnight

    Overnight: Mostly cloudy, with a low around 34. South wind around 5 mph.

    Low: 34 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain and snow showers before 9am, then scattered rain showers.  Mostly cloudy, with a high near 45. South wind 5 to 10 mph.  Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 45 °F

    Scattered
    Rain/Snow
    then
    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers, mainly after 2am.  Mostly cloudy, with a low around 38. South wind around 5 mph becoming calm.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers before 7am.  Mostly cloudy, then gradually becoming sunny, with a high near 55. Northwest wind 5 to 10 mph.

    High: 55 °F

    Chance
    Showers then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 33. Northwest wind around 5 mph.

    Low: 33 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 34. South wind around 5 mph.
Wednesday
A slight chance of rain and snow showers before 9am, then scattered rain showers. Mostly cloudy, with a high near 45. South wind 5 to 10 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A 30 percent chance of showers, mainly after 2am. Mostly cloudy, with a low around 38. South wind around 5 mph becoming calm. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A 30 percent chance of showers before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 55. Northwest wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 33. Northwest wind around 5 mph.
Friday
Mostly sunny, with a high near 51.
Friday Night
Partly cloudy, with a low around 33.
Saturday
Mostly sunny, with a high near 52.
Saturday Night
Partly cloudy, with a low around 36.
Sunday
Mostly sunny, with a high near 54.
Sunday Night
Partly cloudy, with a low around 39.
Monday
Partly sunny, with a high near 54.
Monday Night
Mostly cloudy, with a low around 40.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 54.
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ABOUT THIS FORECAST

 
Point Forecast:
Portsmouth NH
 43.07°N 70.78°W (Elev. 33 ft)
8:19 pm EDT Apr 21, 2026
1am EDT Apr 22, 2026-6pm EDT Apr 28, 2026
 
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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