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.

A Few Clouds

38°F

3°C

Humidity 49%
Wind Speed SE 9 mph
Barometer 30.05 in (1018.0 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 19 Feb 2:55 pm EST
Extended Forecast for

New Castle NH

Winter Weather Advisory February 20, 12:00pm until February 21, 07:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Tonight

    Tonight: Patchy fog after midnight. Otherwise, partly cloudy, with a low around 23. South wind around 5 mph becoming calm.

    Low: 23 °F

    Partly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: Snow likely, mainly after 5pm. Mostly cloudy, with a high near 38. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 38 °F

    Mostly Cloudy
    then Snow
    Likely

  • Friday Night

    Friday Night: Snow. Low around 22. East wind 5 to 10 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    Low: 22 °F

    Snow

  • Saturday

    Saturday: Snow likely, mainly before 8am. Mostly cloudy, with a high near 31. North wind 5 to 10 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 31 °F

    Snow Likely
    then Chance
    Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 21. North wind around 5 mph.

    Low: 21 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 35.

    High: 35 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A 40 percent chance of snow after 9pm. Mostly cloudy, with a low around 24.

    Low: 24 °F

    Chance Snow

  • Monday

    Monday: A 40 percent chance of snow. Mostly cloudy, with a high near 33. Breezy.

    High: 33 °F

    Chance Snow
    and Breezy

  • Monday Night

    Monday Night: A 30 percent chance of snow before 8pm. Mostly cloudy, with a low around 19.

    Low: 19 °F

    Chance Snow
    then Mostly
    Cloudy

Detailed Forecast

Tonight
Patchy fog after midnight. Otherwise, partly cloudy, with a low around 23. South wind around 5 mph becoming calm.
Friday
Snow likely, mainly after 5pm. Mostly cloudy, with a high near 38. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Friday Night
Snow. Low around 22. East wind 5 to 10 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Saturday
Snow likely, mainly before 8am. Mostly cloudy, with a high near 31. North wind 5 to 10 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday Night
Partly cloudy, with a low around 21. North wind around 5 mph.
Sunday
Mostly cloudy, with a high near 35.
Sunday Night
A 40 percent chance of snow after 9pm. Mostly cloudy, with a low around 24.
Monday
A 40 percent chance of snow. Mostly cloudy, with a high near 33. Breezy.
Monday Night
A 30 percent chance of snow before 8pm. Mostly cloudy, with a low around 19.
Tuesday
Mostly sunny, with a high near 33.
Tuesday Night
Partly cloudy, with a low around 13.
Wednesday
A chance of rain and snow. Mostly cloudy, with a high near 37. Chance of precipitation is 30%.
Wednesday Night
Rain and snow likely. Mostly cloudy, with a low around 28. Chance of precipitation is 60%.
Thursday
A 30 percent chance of rain. Partly sunny, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
New Castle NH
 43.07°N 70.72°W (Elev. 26 ft)
Last Update:
2:49 pm EST Feb 19, 2026
Forecast Valid:
3pm EST Feb 19, 2026-6pm EST Feb 26, 2026
 
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Additional Resources

Radar & Satellite Image

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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