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

36°F

2°C

Humidity 72%
Wind Speed SE 3 mph
Barometer 30.19 in (1022.7 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 22 Apr 2:55 am EDT
Extended Forecast for

New Castle NH

  • Overnight

    Overnight: Mostly cloudy, with a low around 36. South wind around 5 mph.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers after 1pm. Mostly cloudy, with a high near 46. South wind 5 to 10 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 46 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers after 2am. Cloudy, with a low around 39. South wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 55. Northwest wind 5 to 10 mph.

    High: 55 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 35. Northwest wind around 5 mph.

    Low: 35 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 36. South wind around 5 mph.
Wednesday
A 40 percent chance of showers after 1pm. Mostly cloudy, with a high near 46. South wind 5 to 10 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A 40 percent chance of showers after 2am. Cloudy, with a low around 39. South wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Mostly sunny, with a high near 55. Northwest wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 35. Northwest wind around 5 mph.
Friday
Mostly sunny, with a high near 51.
Friday Night
Partly cloudy, with a low around 36.
Saturday
Mostly sunny, with a high near 50.
Saturday Night
Mostly cloudy, with a low around 37.
Sunday
Mostly sunny, with a high near 51.
Sunday Night
Partly cloudy, with a low around 39.
Monday
Partly sunny, with a high near 52.
Monday Night
Partly cloudy, with a low around 39.
Tuesday
Partly sunny, with a high near 52.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
New Castle NH
 43.07°N 70.72°W (Elev. 26 ft)
Last Update:
2:33 am EDT Apr 22, 2026
Forecast Valid:
3am EDT Apr 22, 2026-6pm EDT Apr 28, 2026
 
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