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.

Overcast and Breezy

25°F

-4°C

Humidity 45%
Wind Speed NW 23 G 29 mph
Barometer 29.51 in (999.7 mb)
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Wind Chill10°F (-12°C)
Last update 1 Jan 11:55 am EST
Extended Forecast for

Portsmouth NH

  • New Year's Day

    New Year's Day: A 20 percent chance of snow before 1pm. Mostly sunny, with a temperature falling to around 17 by 5pm. West wind around 15 mph, with gusts as high as 35 mph.

    High: 30 °F⇓

    Slight Chance
    Snow

  • Tonight

    Tonight: Mostly clear, with a low around 8. Wind chill values as low as -2. West wind around 10 mph, with gusts as high as 20 mph.

    Low: 8 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 25. Wind chill values as low as -3. West wind around 10 mph, with gusts as high as 20 mph.

    High: 25 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 13. West wind around 5 mph.

    Low: 13 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 28. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 28 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 14.

    Low: 14 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 27.

    High: 27 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 6.

    Low: 6 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 22.

    High: 22 °F

    Mostly Sunny

Detailed Forecast

New Year's Day
A 20 percent chance of snow before 1pm. Mostly sunny, with a temperature falling to around 17 by 5pm. West wind around 15 mph, with gusts as high as 35 mph.
Tonight
Mostly clear, with a low around 8. Wind chill values as low as -2. West wind around 10 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 25. Wind chill values as low as -3. West wind around 10 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 13. West wind around 5 mph.
Saturday
Mostly sunny, with a high near 28. West wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around 14.
Sunday
Partly sunny, with a high near 27.
Sunday Night
Mostly clear, with a low around 6.
Monday
Mostly sunny, with a high near 22.
Monday Night
Isolated snow showers before 9pm, then a chance of snow after 9pm. Mostly cloudy, with a low around 13. Chance of precipitation is 30%.
Tuesday
Partly sunny, with a high near 33.
Tuesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 22.
Wednesday
A chance of rain and snow. Mostly cloudy, with a high near 40. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portsmouth NH
 43.05°N 70.78°W (Elev. 49 ft)
Last Update:
12:20 am EST Jan 1, 2026
Forecast Valid:
12pm EST Jan 1, 2026-6pm EST Jan 7, 2026
 
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Additional Resources

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Chance of Precipitation