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.

Light Snow Fog

34°F

1°C

Humidity 92%
Wind Speed SE 8 mph
Barometer 30.15 in (1021.3 mb)
Dewpoint 32°F (0°C)
Visibility 0.50 mi
Wind Chill27°F (-3°C)
Last update 7 Apr 10:55 am EDT
Extended Forecast for

New Castle NH

  • Today

    Today: Rain and snow showers likely, becoming all rain after noon. Mostly cloudy, with a high near 41. Northeast wind 5 to 10 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.

    High: 41 °F

    Rain/Snow
    Likely

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 24. Northwest wind 5 to 15 mph, with gusts as high as 30 mph.

    Low: 24 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Sunny, with a high near 41. Calm wind becoming south around 5 mph in the afternoon.

    High: 41 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 30. Southwest wind around 5 mph.

    Low: 30 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 47. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 47 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers after 11pm. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

Detailed Forecast

Today
Rain and snow showers likely, becoming all rain after noon. Mostly cloudy, with a high near 41. Northeast wind 5 to 10 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 24. Northwest wind 5 to 15 mph, with gusts as high as 30 mph.
Wednesday
Sunny, with a high near 41. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
Clear, with a low around 30. Southwest wind around 5 mph.
Thursday
Sunny, with a high near 47. South wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 35.
Friday
Mostly sunny, with a high near 57.
Friday Night
A 30 percent chance of showers after 11pm. Mostly cloudy, with a low around 43.
Saturday
Mostly sunny, with a high near 56.
Saturday Night
Mostly clear, with a low around 36.
Sunday
Sunny, with a high near 54.
Sunday Night
Mostly cloudy, with a low around 43.
Monday
Mostly cloudy, with a high near 65.
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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:
6:31 am EDT Apr 7, 2026
Forecast Valid:
11am EDT Apr 7, 2026-6pm EDT Apr 13, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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