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.

Overcast

44°F

7°C

Humidity 89%
Wind Speed S 5 mph
Barometer 29.90 in (1012.8 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 26 Mar 8:55 am EDT
Extended Forecast for

New Castle NH

  • Today

    Today: A 20 percent chance of rain before 10am. Partly sunny, with a high near 58. Southwest wind around 10 mph, with gusts as high as 25 mph.

    High: 58 °F

    Slight Chance
    Rain then
    Partly Sunny

  • Tonight

    Tonight: Rain, mainly before 5am. Low around 38. Southwest wind around 5 mph becoming northwest after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 38 °F

    Rain

  • Friday

    Friday: A slight chance of showers before 11am, then a slight chance of rain between 11am and noon. Partly sunny, with a high near 43. North wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 43 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 21. North wind around 5 mph.

    Low: 21 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 34. North wind around 5 mph.

    High: 34 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 52.

    High: 52 °F

    Mostly Cloudy

Detailed Forecast

Today
A 20 percent chance of rain before 10am. Partly sunny, with a high near 58. Southwest wind around 10 mph, with gusts as high as 25 mph.
Tonight
Rain, mainly before 5am. Low around 38. Southwest wind around 5 mph becoming northwest after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday
A slight chance of showers before 11am, then a slight chance of rain between 11am and noon. Partly sunny, with a high near 43. North wind 5 to 10 mph. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 21. North wind around 5 mph.
Saturday
Mostly sunny, with a high near 34. North wind around 5 mph.
Saturday Night
Partly cloudy, with a low around 23.
Sunday
Mostly sunny, with a high near 44.
Sunday Night
Mostly cloudy, with a low around 32.
Monday
Mostly cloudy, with a high near 52.
Monday Night
Mostly cloudy, with a low around 37.
Tuesday
A 30 percent chance of rain. Partly sunny, with a high near 47.
Tuesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 32.
Wednesday
A chance of rain and snow. Cloudy, with a high near 43. Chance of precipitation is 50%.
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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:
6:02 am EDT Mar 26, 2026
Forecast Valid:
9am EDT Mar 26, 2026-6pm EDT Apr 1, 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