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.

Mostly Cloudy

26°F

-3°C

Humidity 92%
Wind Speed W 3 mph
Barometer 30.09 in (1019.3 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 21 Nov 3:55 am EST
Extended Forecast for

New Castle NH

  • Today

    Today: Increasing clouds, with a high near 46. Southwest wind 5 to 15 mph.

    High: 46 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 39. Southwest wind around 10 mph.

    Low: 39 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 45. Northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 45 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 31. Northwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 42. West wind 5 to 10 mph.

    High: 42 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 46.

    High: 46 °F

    Sunny

  • Monday Night

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

    Low: 35 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Scattered showers, mainly after 5pm. Mostly cloudy, with a high near 47. Chance of precipitation is 30%.

    High: 47 °F

    Mostly Cloudy
    then
    Scattered
    Showers

Detailed Forecast

Today
Increasing clouds, with a high near 46. Southwest wind 5 to 15 mph.
Tonight
Mostly cloudy, with a low around 39. Southwest wind around 10 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 45. Northwest wind around 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 31. Northwest wind around 10 mph, with gusts as high as 20 mph.
Sunday
Partly sunny, with a high near 42. West wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 36.
Monday
Sunny, with a high near 46.
Monday Night
Partly cloudy, with a low around 35.
Tuesday
Scattered showers, mainly after 5pm. Mostly cloudy, with a high near 47. Chance of precipitation is 30%.
Tuesday Night
Showers likely, mainly after 8pm. Cloudy, with a low around 44. Chance of precipitation is 70%.
Wednesday
Showers likely. Mostly cloudy, with a high near 53. Chance of precipitation is 60%.
Wednesday Night
Scattered showers. Mostly cloudy, with a low around 44. Chance of precipitation is 50%.
Thanksgiving Day
Scattered showers. Partly sunny, with a high near 49. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
New Castle NH
 43.02°N 70.73°W (Elev. 0 ft)
Last Update:
3:36 am EST Nov 21, 2025
Forecast Valid:
4am EST Nov 21, 2025-6pm EST Nov 27, 2025
 
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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