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.

Fair

36°F

2°C

Humidity 48%
Wind Speed W 5 mph
Barometer 29.94 in (1014.2 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 22 Nov 8:55 pm EST
Extended Forecast for

New Castle NH

  • Tonight

    Tonight: Mostly clear, with a low around 26. Northwest wind around 5 mph becoming calm in the evening.

    Low: 26 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 44. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 44 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 29. Calm wind becoming northwest around 5 mph.

    Low: 29 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 48. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 48 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 29. West wind around 5 mph becoming calm in the evening.

    Low: 29 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of rain after 5pm. Cloudy, with a high near 49.

    High: 49 °F

    Mostly Cloudy
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: Rain. Low around 40. Chance of precipitation is 90%.

    Low: 40 °F

    Rain

  • Wednesday

    Wednesday: A 50 percent chance of rain. Cloudy, with a high near 55.

    High: 55 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain before 5am. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 26. Northwest wind around 5 mph becoming calm in the evening.
Sunday
Increasing clouds, with a high near 44. Calm wind becoming southwest around 5 mph in the afternoon.
Sunday Night
A 20 percent chance of showers before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 29. Calm wind becoming northwest around 5 mph.
Monday
Sunny, with a high near 48. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 29. West wind around 5 mph becoming calm in the evening.
Tuesday
A 30 percent chance of rain after 5pm. Cloudy, with a high near 49.
Tuesday Night
Rain. Low around 40. Chance of precipitation is 90%.
Wednesday
A 50 percent chance of rain. Cloudy, with a high near 55.
Wednesday Night
A 50 percent chance of rain before 5am. Mostly cloudy, with a low around 39.
Thanksgiving Day
Mostly sunny, with a high near 49.
Thursday Night
Mostly clear, with a low around 30.
Friday
Mostly sunny, with a high near 43.
Friday Night
Partly cloudy, with a low around 27.
Saturday
Mostly sunny, with a high near 41.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
New Castle NH
 43.07°N 70.75°W (Elev. 3 ft)
Last Update:
12:49 pm EST Nov 22, 2025
Forecast Valid:
9pm EST Nov 22, 2025-6pm EST Nov 29, 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