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

45°F

7°C

Humidity 77%
Wind Speed SW 5 mph
Barometer 29.60 in (1002.6 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 9 Nov 4:55 am EST
Extended Forecast for

New Castle NH

  • Today

    Today: A slight chance of showers between 1pm and 3pm. Mostly sunny, with a high near 58. West wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 58 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Tonight

    Tonight: Partly cloudy, with a low around 39. West wind 5 to 10 mph.

    Low: 39 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 55. West wind 5 to 10 mph.

    High: 55 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 41. West wind 5 to 10 mph.

    Low: 41 °F

    Mostly Clear

  • Veterans Day

    Veterans Day: Mostly sunny, with a high near 54. Northwest wind 5 to 10 mph.

    High: 54 °F

    Mostly Sunny

  • Wednesday Night

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

    Low: 36 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 52.

    High: 52 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 50 percent chance of rain after 10pm. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Chance Rain

  • Friday

    Friday: Rain likely. Mostly cloudy, with a high near 49. Breezy. Chance of precipitation is 70%.

    High: 49 °F

    Rain Likely
    and Breezy

Detailed Forecast

Today
A slight chance of showers between 1pm and 3pm. Mostly sunny, with a high near 58. West wind 5 to 10 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 39. West wind 5 to 10 mph.
Tuesday
Increasing clouds, with a high near 55. West wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 41. West wind 5 to 10 mph.
Veterans Day
Mostly sunny, with a high near 54. Northwest wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 36.
Thursday
Partly sunny, with a high near 52.
Thursday Night
A 50 percent chance of rain after 10pm. Mostly cloudy, with a low around 39.
Friday
Rain likely. Mostly cloudy, with a high near 49. Breezy. Chance of precipitation is 70%.
Friday Night
Rain likely. Mostly cloudy, with a low around 37. Chance of precipitation is 70%.
Saturday
A 50 percent chance of rain. Mostly cloudy, with a high near 49.
Saturday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 36.
Sunday
Partly sunny, with a high near 50.
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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:
1:59 am EST Nov 9, 2026
Forecast Valid:
5am EST Nov 9, 2026-6pm EST Nov 15, 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