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.

Mostly Cloudy

46°F

8°C

Humidity 67%
Wind Speed NW 9 mph
Barometer 29.83 in (1010.4 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 21 Mar 10:55 am EDT
Extended Forecast for

2 Miles NNE Portsmouth NH

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 49. Northwest wind 5 to 10 mph.

    High: 49 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Increasing clouds, with a low around 32. Calm wind.

    Low: 32 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Rain and snow likely before 11am, then rain. High near 45. Southeast wind 5 to 10 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 45 °F

    Rain/Snow
    then Rain

  • Sunday Night

    Sunday Night: Rain likely before 3am, then snow likely. Cloudy, with a low around 29. North wind around 5 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 29 °F

    Rain Likely
    then
    Rain/Snow
    Likely

  • Monday

    Monday: A 40 percent chance of snow before 4pm. Mostly cloudy, with a high near 38. North wind around 10 mph, with gusts as high as 20 mph.

    High: 38 °F

    Chance Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 42.

    High: 42 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 47.

    High: 47 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 49. Northwest wind 5 to 10 mph.
Tonight
Increasing clouds, with a low around 32. Calm wind.
Sunday
Rain and snow likely before 11am, then rain. High near 45. Southeast wind 5 to 10 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Sunday Night
Rain likely before 3am, then snow likely. Cloudy, with a low around 29. North wind around 5 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Monday
A 40 percent chance of snow before 4pm. Mostly cloudy, with a high near 38. North wind around 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 23.
Tuesday
Sunny, with a high near 42.
Tuesday Night
Mostly cloudy, with a low around 28.
Wednesday
Partly sunny, with a high near 47.
Wednesday Night
Partly cloudy, with a low around 25.
Thursday
A 30 percent chance of rain. Partly sunny, with a high near 44.
Thursday Night
Rain and snow likely. Mostly cloudy, with a low around 30. Chance of precipitation is 60%.
Friday
Rain and snow likely. Partly sunny, with a high near 43. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Portsmouth NH
 43.07°N 70.78°W (Elev. 33 ft)
Last Update:
6:50 am EDT Mar 21, 2026
Forecast Valid:
11am EDT Mar 21, 2026-6pm EDT Mar 27, 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