Current conditions at

Pease Air Force Base / Portsmouth (KPSM)

Lat: 43.08°NLon: 70.82°WElev: 102ft.

Mostly Cloudy

15°F

-9°C

Humidity 73%
Wind Speed Calm
Barometer 29.80 in (1009.5 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Last update 25 Feb 6:55 am EST
Extended Forecast for

New Castle NH

  • Today

    Today: Rain and snow before 2pm, then a slight chance of rain between 2pm and 3pm.  High near 39. South wind 5 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 90%. Total daytime snow accumulation of 1 to 3 inches possible.

    High: 39 °F

    Snow then
    Rain/Snow
    Likely

  • Tonight

    Tonight: Partly cloudy, with a low around 26. Southwest wind around 5 mph.

    Low: 26 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 37. West wind 5 to 10 mph.

    High: 37 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 17. West wind around 5 mph.

    Low: 17 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 37. Northwest wind around 5 mph becoming south in the afternoon.

    High: 37 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 24.

    Low: 24 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 34.

    High: 34 °F

    Partly Sunny

Detailed Forecast

Today
Rain and snow before 2pm, then a slight chance of rain between 2pm and 3pm. High near 39. South wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 1 to 3 inches possible.
Tonight
Partly cloudy, with a low around 26. Southwest wind around 5 mph.
Thursday
Sunny, with a high near 37. West wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 17. West wind around 5 mph.
Friday
Sunny, with a high near 37. Northwest wind around 5 mph becoming south in the afternoon.
Friday Night
Mostly clear, with a low around 24.
Saturday
Mostly sunny, with a high near 45.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
Partly sunny, with a high near 34.
Sunday Night
Partly cloudy, with a low around 10.
Monday
A 30 percent chance of snow. Partly sunny, with a high near 25.
Monday Night
A 30 percent chance of snow. Partly cloudy, with a low around 9.
Tuesday
Mostly sunny, with a high near 31.
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ABOUT THIS FORECAST

 
Point Forecast:
New Castle NH
 43.07°N 70.72°W (Elev. 26 ft)
6:06 am EST Feb 25, 2026
7am EST Feb 25, 2026-6pm EST Mar 3, 2026
 
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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