National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Pease Air Force Base / Portsmouth (KPSM)

Lat: 43.08°NLon: 70.82°WElev: 102ft.

A Few Clouds

58°F

14°C

Humidity 53%
Wind Speed NE 6 mph
Barometer 30.28 in (1025.6 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 20 Sep 8:55 am EDT
Extended Forecast for

New Castle NH

  • Today

    Today: Sunny, with a high near 66. North wind around 5 mph becoming southeast in the afternoon.

    High: 66 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 47. South wind around 5 mph becoming calm in the evening.

    Low: 47 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 67. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 67 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 49. South wind around 5 mph becoming calm in the evening.

    Low: 49 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 69. West wind around 5 mph becoming south in the afternoon.

    High: 69 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers after 3pm. Partly sunny, with a high near 77.

    High: 77 °F

    Partly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 59.

    Low: 59 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers. Partly sunny, with a high near 69.

    High: 69 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 66. North wind around 5 mph becoming southeast in the afternoon.
Tonight
Mostly clear, with a low around 47. South wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 67. Calm wind becoming southeast around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 49. South wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 69. West wind around 5 mph becoming south in the afternoon.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
A 30 percent chance of showers after 3pm. Partly sunny, with a high near 77.
Tuesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 59.
Wednesday
A 40 percent chance of showers. Partly sunny, with a high near 69.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 55.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 68.
Thursday Night
Partly cloudy, with a low around 54.
Friday
Mostly sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
New Castle NH
 43.04°N 70.72°W (Elev. 3 ft)
Last Update:
8:48 am EDT Sep 20, 2025
Forecast Valid:
9am EDT Sep 20, 2025-6pm EDT Sep 26, 2025
 
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