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

65°F

18°C

Humidity 94%
Wind Speed Calm
Barometer 29.99 in (1015.8 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 18 Sep 4:55 am EDT
Extended Forecast for

2 Miles SSW New Castle NH

  • Today

    Today: Patchy fog before 8am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 72. Northwest wind 5 to 10 mph.

    High: 72 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 51. North wind around 10 mph.

    Low: 51 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 61. North wind around 5 mph becoming southeast in the afternoon.

    High: 61 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 52. South wind around 5 mph.

    Low: 52 °F

    Partly Cloudy

  • Sunday

    Sunday: A 40 percent chance of rain after 2pm. Mostly cloudy, with a high near 61. South wind 5 to 10 mph.

    High: 61 °F

    Partly Sunny
    then Chance
    Rain

  • Sunday Night

    Sunday Night: Rain likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.

    Low: 54 °F

    Rain Likely

  • Monday

    Monday: A 30 percent chance of rain before 7am. Mostly sunny, with a high near 61.

    High: 61 °F

    Chance Rain
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 59.

    High: 59 °F

    Mostly Cloudy

Detailed Forecast

Today
Patchy fog before 8am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 72. Northwest wind 5 to 10 mph.
Tonight
Partly cloudy, with a low around 51. North wind around 10 mph.
Saturday
Sunny, with a high near 61. North wind around 5 mph becoming southeast in the afternoon.
Saturday Night
Partly cloudy, with a low around 52. South wind around 5 mph.
Sunday
A 40 percent chance of rain after 2pm. Mostly cloudy, with a high near 61. South wind 5 to 10 mph.
Sunday Night
Rain likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.
Monday
A 30 percent chance of rain before 7am. Mostly sunny, with a high near 61.
Monday Night
Partly cloudy, with a low around 51.
Tuesday
Mostly cloudy, with a high near 59.
Tuesday Night
Mostly cloudy, with a low around 51.
Wednesday
Partly sunny, with a high near 60.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
Partly sunny, with a high near 60.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW New Castle NH
 43.02°N 70.73°W (Elev. 0 ft)
Last Update:
5:44 am EDT Sep 18, 2026
Forecast Valid:
5am EDT Sep 18, 2026-6pm EDT Sep 24, 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