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.

A Few Clouds

86°F

30°C

Humidity 63%
Wind Speed SE 7 mph
Barometer 30.01 in (1016.4 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 15 Jul 2:55 pm EDT
Extended Forecast for

New Castle NH

  • Tonight

    Tonight: Patchy fog after 1am. Otherwise, mostly clear, with a low around 66. South wind around 5 mph becoming southwest after midnight.

    Low: 66 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: Widespread haze between 10am and noon. Patchy fog before 10am. Otherwise, sunny, with a high near 78. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.

    High: 78 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Isolated showers after 2am. Patchy fog. Otherwise, increasing clouds, with a low around 69. South wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 69 °F

    Patchy Fog
    then Isolated
    Showers and
    Patchy Fog

  • Thursday

    Thursday: A chance of showers between 10am and 2pm, then a chance of showers and thunderstorms after 2pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 79. South wind 5 to 10 mph. Chance of precipitation is 50%.

    High: 79 °F

    Chance
    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 9pm. Patchy fog. Otherwise, partly cloudy, with a low around 70. West wind around 10 mph. Chance of precipitation is 30%.

    Low: 70 °F

    Chance
    T-storms and
    Patchy Fog
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 9am. Otherwise, sunny, with a high near 76.

    High: 76 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 62.

    Low: 62 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy fog after 1am. Otherwise, mostly clear, with a low around 66. South wind around 5 mph becoming southwest after midnight.
Wednesday
Widespread haze between 10am and noon. Patchy fog before 10am. Otherwise, sunny, with a high near 78. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.
Wednesday Night
Isolated showers after 2am. Patchy fog. Otherwise, increasing clouds, with a low around 69. South wind 5 to 10 mph. Chance of precipitation is 20%.
Thursday
A chance of showers between 10am and 2pm, then a chance of showers and thunderstorms after 2pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 79. South wind 5 to 10 mph. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 9pm. Patchy fog. Otherwise, partly cloudy, with a low around 70. West wind around 10 mph. Chance of precipitation is 30%.
Friday
Patchy fog before 9am. Otherwise, sunny, with a high near 76.
Friday Night
Mostly clear, with a low around 61.
Saturday
Mostly sunny, with a high near 73.
Saturday Night
Mostly cloudy, with a low around 62.
Sunday
A 30 percent chance of showers after 8am. Partly sunny, with a high near 73.
Sunday Night
A 30 percent chance of showers. Partly cloudy, with a low around 63.
Monday
Mostly sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
Sunny, with a high near 71.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
New Castle NH
 43.02°N 70.73°W (Elev. 0 ft)
Last Update:
1:48 pm EDT Jul 15, 2025
Forecast Valid:
3pm EDT Jul 15, 2025-6pm EDT Jul 22, 2025
 
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