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

33°F

1°C

Humidity 55%
Wind Speed W 15 G 22 mph
Barometer 29.33 in (993.5 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 17 Nov 5:55 am EST
Extended Forecast for

New Castle NH

  • Today

    Today: Mostly sunny, with a high near 40. Breezy, with a west wind 20 to 25 mph, with gusts as high as 40 mph.

    High: 40 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 34. Breezy, with a west wind 15 to 20 mph, with gusts as high as 35 mph.

    Low: 34 °F

    Mostly Clear
    and Breezy

  • Tuesday

    Tuesday: Sunny, with a high near 43. West wind around 15 mph, with gusts as high as 30 mph.

    High: 43 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 31. West wind around 10 mph, with gusts as high as 20 mph.

    Low: 31 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 43. Northwest wind 5 to 10 mph.

    High: 43 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 43.

    High: 43 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Friday

    Friday: Rain likely, mainly after 2pm. Cloudy, with a high near 48. Chance of precipitation is 60%.

    High: 48 °F

    Rain Likely

Detailed Forecast

Today
Mostly sunny, with a high near 40. Breezy, with a west wind 20 to 25 mph, with gusts as high as 40 mph.
Tonight
Mostly clear, with a low around 34. Breezy, with a west wind 15 to 20 mph, with gusts as high as 35 mph.
Tuesday
Sunny, with a high near 43. West wind around 15 mph, with gusts as high as 30 mph.
Tuesday Night
Mostly clear, with a low around 31. West wind around 10 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 43. Northwest wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 32.
Thursday
Mostly cloudy, with a high near 43.
Thursday Night
Mostly cloudy, with a low around 36.
Friday
Rain likely, mainly after 2pm. Cloudy, with a high near 48. Chance of precipitation is 60%.
Friday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.
Saturday
A 30 percent chance of rain. Partly sunny, with a high near 47.
Saturday Night
Partly cloudy, with a low around 35.
Sunday
Mostly sunny, with a high near 45.
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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:
5:05 am EST Nov 17, 2025
Forecast Valid:
6am EST Nov 17, 2025-6pm EST Nov 23, 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