Current conditions at

Pease Air Force Base / Portsmouth (KPSM)

Lat: 43.08°NLon: 70.82°WElev: 102ft.

Fair

38°F

3°C

Humidity 86%
Wind Speed Calm
Barometer 30.51 in (1033.5 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 19 Oct 1:55 am EDT
Extended Forecast for

New Castle NH

  • Overnight

    Overnight: Clear, with a low around 42. South wind around 5 mph.

    Low: 42 °F

    Clear

  • Monday

    Monday: Mostly sunny, with a high near 55. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 55 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 44. Calm wind becoming north around 5 mph after midnight.

    Low: 44 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 59. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 59 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 45. Northeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 45 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 42. South wind around 5 mph.
Monday
Mostly sunny, with a high near 55. Calm wind becoming southeast around 5 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 44. Calm wind becoming north around 5 mph after midnight.
Tuesday
Mostly sunny, with a high near 59. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 45. Northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
Mostly sunny, with a high near 54.
Wednesday Night
Partly cloudy, with a low around 42.
Thursday
Mostly sunny, with a high near 58.
Thursday Night
Mostly clear, with a low around 44.
Friday
Sunny, with a high near 54.
Friday Night
Mostly clear, with a low around 41.
Saturday
Sunny, with a high near 53.
Saturday Night
Mostly clear, with a low around 41.
Sunday
Sunny, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
New Castle NH
 43.06°N 70.69°W (Elev. 0 ft)
7:22 pm EDT Oct 18, 2026
2am EDT Oct 19, 2026-6pm EDT Oct 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database