Current conditions at

Pease Air Force Base / Portsmouth (KPSM)

Lat: 43.08°NLon: 70.82°WElev: 102ft.

Fair

85°F

29°C

Humidity 55%
Wind Speed W 5 mph
Barometer 29.87 in (1011.7 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 9 Aug 6:55 pm EDT
Extended Forecast for

New Castle NH

  • Tonight

    Tonight: Mostly clear, with a low around 65. West wind around 5 mph becoming calm.

    Low: 65 °F

    Mostly Clear

  • Monday

    Monday: Increasing clouds, with a high near 81. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.

    High: 81 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 10pm.  Mostly cloudy during the early evening, then becoming mostly clear, with a low around 66. Calm wind becoming west around 5 mph after midnight.

    Low: 66 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 85. West wind around 5 mph.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 63. West wind around 5 mph.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

  • Thursday

    Thursday: A 50 percent chance of showers.  Partly sunny, with a high near 78.

    High: 78 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers before 10pm.  Partly cloudy, with a low around 60.

    Low: 60 °F

    Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 65. West wind around 5 mph becoming calm.
Monday
Increasing clouds, with a high near 81. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.
Monday Night
A 20 percent chance of showers and thunderstorms before 10pm. Mostly cloudy during the early evening, then becoming mostly clear, with a low around 66. Calm wind becoming west around 5 mph after midnight.
Tuesday
Sunny, with a high near 85. West wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 63. West wind around 5 mph.
Wednesday
Sunny, with a high near 81.
Wednesday Night
Partly cloudy, with a low around 63.
Thursday
A 50 percent chance of showers. Partly sunny, with a high near 78.
Thursday Night
A 30 percent chance of showers before 10pm. Partly cloudy, with a low around 60.
Friday
Sunny, with a high near 75.
Friday Night
Mostly clear, with a low around 59.
Saturday
Sunny, with a high near 75.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
New Castle NH
 43.07°N 70.72°W (Elev. 26 ft)
6:26 pm EDT Aug 9, 2026
7pm EDT Aug 9, 2026-6pm EDT Aug 16, 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