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

42°F

6°C

Humidity 82%
Wind Speed N 3 mph
Barometer 29.83 in (1010.4 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 12 Nov 1:55 am EST
Extended Forecast for

New Castle NH

  • Overnight

    Overnight: Cloudy, with a low around 40. Northeast wind around 5 mph.

    Low: 40 °F

    Cloudy

  • Thursday

    Thursday: Rain. High near 49. Northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Chance Rain
    then Rain

  • Thursday Night

    Thursday Night: Rain. Low around 33. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 33 °F

    Rain

  • Friday

    Friday: Rain likely, mainly before 8am. Cloudy, with a high near 45. North wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    High: 45 °F

    Rain Likely

  • Friday Night

    Friday Night: A 30 percent chance of rain before 8pm. Cloudy, with a low around 31. North wind around 5 mph.

    Low: 31 °F

    Chance Rain
    then Mostly
    Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 47.

    High: 47 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

Detailed Forecast

Overnight
Cloudy, with a low around 40. Northeast wind around 5 mph.
Thursday
Rain. High near 49. Northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain. Low around 33. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain likely, mainly before 8am. Cloudy, with a high near 45. North wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Friday Night
A 30 percent chance of rain before 8pm. Cloudy, with a low around 31. North wind around 5 mph.
Saturday
Mostly cloudy, with a high near 47.
Saturday Night
Mostly cloudy, with a low around 31.
Sunday
Mostly sunny, with a high near 49.
Sunday Night
Partly cloudy, with a low around 34.
Monday
Sunny, with a high near 50.
Monday Night
Mostly clear, with a low around 31.
Tuesday
Sunny, with a high near 52.
Tuesday Night
Mostly clear, with a low around 33.
Wednesday
Sunny, with a high near 56.
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:
1:58 am EST Nov 12, 2026
Forecast Valid:
2am EST Nov 12, 2026-6pm EST Nov 18, 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