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.

Fog/Mist

49°F

9°C

Humidity 92%
Wind Speed Calm
Barometer 29.90 in (1012.8 mb)
Dewpoint 47°F (8°C)
Visibility 1.50 mi
Last update 16 Apr 7:55 am EDT
Extended Forecast for

2 Miles S Pease Air Force Base / Portsmouth NH

  • Today

    Today: A slight chance of showers before 4pm, then a slight chance of showers after 5pm. Patchy fog before 3pm. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 60. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 60 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Tonight

    Tonight: Showers and thunderstorms likely before 11pm, then a chance of showers. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 48. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 48 °F

    Showers
    Likely then
    Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 11am. Patchy fog before noon. Otherwise, mostly cloudy, with a high near 67. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 67 °F

    Chance
    Showers and
    Patchy Fog

  • Friday Night

    Friday Night: A 30 percent chance of showers before 9pm. Mostly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 54. East wind around 5 mph.

    High: 54 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after 5am. Cloudy, with a low around 43.

    Low: 43 °F

    Cloudy then
    Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly after 9am. Cloudy, with a high near 54. Chance of precipitation is 70%.

    High: 54 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely, mainly before 9pm. Mostly cloudy, with a low around 33. Chance of precipitation is 60%.

    Low: 33 °F

    Showers
    Likely then
    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of showers before 4pm, then a slight chance of showers after 5pm. Patchy fog before 3pm. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 60. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 20%.
Tonight
Showers and thunderstorms likely before 11pm, then a chance of showers. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 48. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers, with thunderstorms also possible after 11am. Patchy fog before noon. Otherwise, mostly cloudy, with a high near 67. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A 30 percent chance of showers before 9pm. Mostly cloudy, with a low around 45. Calm wind.
Saturday
Mostly cloudy, with a high near 54. East wind around 5 mph.
Saturday Night
A 30 percent chance of showers after 5am. Cloudy, with a low around 43.
Sunday
Showers likely, mainly after 9am. Cloudy, with a high near 54. Chance of precipitation is 70%.
Sunday Night
Showers likely, mainly before 9pm. Mostly cloudy, with a low around 33. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 46.
Monday Night
Mostly clear, with a low around 28.
Tuesday
Sunny, with a high near 51.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
Partly sunny, with a high near 57.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Pease Air Force Base / Portsmouth NH
 43.06°N 70.81°W (Elev. 56 ft)
Last Update:
6:30 am EDT Apr 16, 2026
Forecast Valid:
8am EDT Apr 16, 2026-6pm EDT Apr 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation