National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Pease Air Force Base / Portsmouth (KPSM)

Lat: 43.08°NLon: 70.82°WElev: 102ft.

Partly Cloudy

35°F

2°C

Humidity 64%
Wind Speed SE 5 mph
Barometer 30.34 in (1027.7 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 10 Apr 3:55 am EDT
Extended Forecast for

Portsmouth NH

  • Today

    Today: Mostly sunny, with a high near 60. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 60 °F

    Mostly Sunny

  • Tonight

    Tonight: Showers likely, mainly between 10pm and 2am. Mostly cloudy, with a low around 42. South wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Showers
    Likely

  • Saturday

    Saturday: Sunny, with a high near 53. Northwest wind around 10 mph, with gusts as high as 25 mph.

    High: 53 °F

    Sunny

  • Saturday Night

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

    Low: 33 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 51. Calm wind becoming south around 5 mph in the afternoon.

    High: 51 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Showers likely, mainly after 11pm. Cloudy, with a low around 40. Chance of precipitation is 60%.

    Low: 40 °F

    Showers
    Likely

  • Monday

    Monday: A 40 percent chance of showers. Mostly cloudy, with a high near 65.

    High: 65 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 60. South wind 5 to 15 mph, with gusts as high as 20 mph.
Tonight
Showers likely, mainly between 10pm and 2am. Mostly cloudy, with a low around 42. South wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Sunny, with a high near 53. Northwest wind around 10 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 33. Northwest wind around 5 mph.
Sunday
Mostly sunny, with a high near 51. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
Showers likely, mainly after 11pm. Cloudy, with a low around 40. Chance of precipitation is 60%.
Monday
A 40 percent chance of showers. Mostly cloudy, with a high near 65.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
Mostly sunny, with a high near 69.
Tuesday Night
A 40 percent chance of showers after 7pm. Mostly cloudy, with a low around 49.
Wednesday
A 30 percent chance of showers. Mostly cloudy, with a high near 66.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 49.
Thursday
Partly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portsmouth NH
 43.07°N 70.78°W (Elev. 33 ft)
Last Update:
4:16 am EDT Apr 10, 2026
Forecast Valid:
4am EDT Apr 10, 2026-6pm EDT Apr 16, 2026
 
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