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

42°F

6°C

Humidity 61%
Wind Speed Calm
Barometer 30.19 in (1022.7 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 20 Nov 3:55 pm EST
Extended Forecast for

New Castle NH

  • Tonight

    Tonight: Partly cloudy, with a low around 33. Calm wind becoming west around 5 mph.

    Low: 33 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 47. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 47 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 40. Southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 40 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • 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 10 to 15 mph, with gusts as high as 25 mph.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 35 °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 34.

    Low: 34 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 33. Calm wind becoming west around 5 mph.
Friday
Mostly sunny, with a high near 47. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Friday Night
A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 40. Southwest wind around 10 mph, with gusts as high as 20 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 10 to 15 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny, with a high near 42.
Sunday Night
Partly cloudy, with a low around 35.
Monday
Sunny, with a high near 46.
Monday Night
Partly cloudy, with a low around 34.
Tuesday
A 30 percent chance of showers after 3pm. Mostly cloudy, with a high near 46.
Tuesday Night
Showers. Low around 43. Chance of precipitation is 80%.
Wednesday
Showers likely. Mostly cloudy, with a high near 52. Chance of precipitation is 60%.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 43.
Thanksgiving Day
A 30 percent chance of showers. Partly sunny, with a high near 48.
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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:
12:16 pm EST Nov 20, 2025
Forecast Valid:
4pm EST Nov 20, 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