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.

Partly Cloudy

68°F

20°C

Humidity 62%
Wind Speed Calm
Barometer 30.15 in (1021.2 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 16 Aug 8:55 am EDT
Extended Forecast for

2 Miles NNW New Castle NH

  • Today

    Today: Mostly sunny, with a high near 77. Light east wind becoming southeast 5 to 10 mph in the afternoon.

    High: 77 °F

    Mostly Sunny

  • Tonight

    Tonight: A 30 percent chance of showers, mainly after 5am. Increasing clouds, with a low around 64. South wind 5 to 10 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 64 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday

    Monday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 73. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 77. North wind around 5 mph becoming east in the afternoon.

    High: 77 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

  • Thursday

    Thursday: A 40 percent chance of showers. Partly sunny, with a high near 76.

    High: 76 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 77. Light east wind becoming southeast 5 to 10 mph in the afternoon.
Tonight
A 30 percent chance of showers, mainly after 5am. Increasing clouds, with a low around 64. South wind 5 to 10 mph. New precipitation amounts of less than a tenth of an inch possible.
Monday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 73. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Mostly cloudy, with a low around 63. Calm wind.
Tuesday
Partly sunny, with a high near 77. North wind around 5 mph becoming east in the afternoon.
Tuesday Night
Partly cloudy, with a low around 62.
Wednesday
Mostly sunny, with a high near 82.
Wednesday Night
Partly cloudy, with a low around 64.
Thursday
A 40 percent chance of showers. Partly sunny, with a high near 76.
Thursday Night
Partly cloudy, with a low around 60.
Friday
Sunny, with a high near 74.
Friday Night
Partly cloudy, with a low around 60.
Saturday
Mostly sunny, with a high near 74.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW New Castle NH
 43.07°N 70.72°W (Elev. 26 ft)
Last Update:
9:36 am EDT Aug 16, 2026
Forecast Valid:
10am EDT Aug 16, 2026-6pm EDT Aug 22, 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