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

39°F

4°C

Humidity 62%
Wind Speed SE 15 mph
Barometer 30.24 in (1024.4 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 24 Mar 5:55 pm EDT
Extended Forecast for

New Castle NH

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 30. Southwest wind around 5 mph.

    Low: 30 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 48. West wind around 5 mph.

    High: 48 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain after 2am. Mostly cloudy, with a low around 36. Southwest wind around 5 mph.

    Low: 36 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday

    Thursday: A 30 percent chance of rain before 4pm. Mostly cloudy, with a high near 55. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 55 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Rain, mainly after 10pm. Low around 39. South wind around 10 mph. Chance of precipitation is 80%.

    Low: 39 °F

    Rain

  • Friday

    Friday: Rain likely before 8am. Partly sunny, with a high near 46. Chance of precipitation is 60%.

    High: 46 °F

    Rain Likely
    then Partly
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 20.

    Low: 20 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming clear, with a low around 30. Southwest wind around 5 mph.
Wednesday
Mostly sunny, with a high near 48. West wind around 5 mph.
Wednesday Night
A 20 percent chance of rain after 2am. Mostly cloudy, with a low around 36. Southwest wind around 5 mph.
Thursday
A 30 percent chance of rain before 4pm. Mostly cloudy, with a high near 55. South wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Rain, mainly after 10pm. Low around 39. South wind around 10 mph. Chance of precipitation is 80%.
Friday
Rain likely before 8am. Partly sunny, with a high near 46. Chance of precipitation is 60%.
Friday Night
Mostly clear, with a low around 20.
Saturday
Mostly sunny, with a high near 36.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
Sunny, with a high near 42.
Sunday Night
Partly cloudy, with a low around 28.
Monday
Partly sunny, with a high near 49.
Monday Night
Partly cloudy, with a low around 32.
Tuesday
Mostly sunny, with a high near 49.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
New Castle NH
 43.07°N 70.72°W (Elev. 26 ft)
Last Update:
2:28 pm EDT Mar 24, 2026
Forecast Valid:
6pm EDT Mar 24, 2026-6pm EDT Mar 31, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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