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

Hazardous Weather Conditions

Current conditions at

Pease Air Force Base / Portsmouth (KPSM)

Lat: 43.08°NLon: 70.82°WElev: 102ft.

Mostly Cloudy

37°F

3°C

Humidity 54%
Wind Speed W 12 mph
Barometer 29.62 in (1003.4 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 11 Jan 7:55 pm EST
Extended Forecast for

Portsmouth NH

  • Tonight

    Tonight: Partly cloudy, with a low around 23. Breezy, with a west wind 10 to 15 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 40 mph.

    Low: 23 °F

    Partly Cloudy
    then Partly
    Cloudy and
    Breezy

  • Monday

    Monday: Sunny, with a high near 37. Breezy, with a west wind 10 to 20 mph, with gusts as high as 35 mph.

    High: 37 °F

    Sunny and
    Breezy then
    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 26. Southwest wind 5 to 10 mph.

    Low: 26 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 42. Southwest wind around 5 mph.

    High: 42 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Cloudy, with a low around 32. South wind around 5 mph.

    Low: 32 °F

    Cloudy

  • Wednesday

    Wednesday: Cloudy, with a high near 45.

    High: 45 °F

    Cloudy

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain after 11pm. Cloudy, with a low around 32.

    Low: 32 °F

    Chance Rain

  • Thursday

    Thursday: A chance of rain before 4pm, then a chance of rain and snow. Mostly cloudy, with a high near 40. Chance of precipitation is 40%.

    High: 40 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 17.

    Low: 17 °F

    Chance Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 23. Breezy, with a west wind 10 to 15 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 40 mph.
Monday
Sunny, with a high near 37. Breezy, with a west wind 10 to 20 mph, with gusts as high as 35 mph.
Monday Night
Partly cloudy, with a low around 26. Southwest wind 5 to 10 mph.
Tuesday
Sunny, with a high near 42. Southwest wind around 5 mph.
Tuesday Night
Cloudy, with a low around 32. South wind around 5 mph.
Wednesday
Cloudy, with a high near 45.
Wednesday Night
A 40 percent chance of rain after 11pm. Cloudy, with a low around 32.
Thursday
A chance of rain before 4pm, then a chance of rain and snow. Mostly cloudy, with a high near 40. Chance of precipitation is 40%.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 17.
Friday
A 30 percent chance of snow before 8am. Mostly sunny, with a high near 28.
Friday Night
Partly cloudy, with a low around 16.
Saturday
Mostly sunny, with a high near 34.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 21.
Sunday
A chance of rain and snow. Partly sunny, with a high near 35. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portsmouth NH
 43.03°N 70.79°W (Elev. 59 ft)
Last Update:
7:40 pm EST Jan 11, 2026
Forecast Valid:
8pm EST Jan 11, 2026-6pm EST Jan 18, 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