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.

Showers in Vicinity

44°F

7°C

Humidity 93%
Wind Speed SE 7 mph
Barometer 30.12 in (1020.3 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 13 Apr 5:55 am EDT
Extended Forecast for

New Castle NH

  • Today

    Today: A chance of rain before 8am, then a chance of showers after 1pm. Mostly cloudy, with a high near 63. Southwest wind 10 to 15 mph, with gusts as high as 35 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 63 °F

    Chance Rain

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 51. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 51 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: A 20 percent chance of showers after 3pm. Mostly sunny, with a high near 64. Northwest wind 5 to 10 mph becoming southeast in the morning.

    High: 64 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers before 3am. Mostly cloudy, with a low around 48. Southeast wind around 5 mph becoming southwest after midnight.

    Low: 48 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers after 2pm. Mostly cloudy, with a high near 64. Southwest wind around 5 mph.

    High: 64 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Chance
    Showers

  • Thursday

    Thursday: A 40 percent chance of showers. Mostly cloudy, with a high near 57.

    High: 57 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers. Mostly cloudy, with a high near 64.

    High: 64 °F

    Chance
    Showers

Detailed Forecast

Today
A chance of rain before 8am, then a chance of showers after 1pm. Mostly cloudy, with a high near 63. Southwest wind 10 to 15 mph, with gusts as high as 35 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 51. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Tuesday
A 20 percent chance of showers after 3pm. Mostly sunny, with a high near 64. Northwest wind 5 to 10 mph becoming southeast in the morning.
Tuesday Night
A 50 percent chance of showers before 3am. Mostly cloudy, with a low around 48. Southeast wind around 5 mph becoming southwest after midnight.
Wednesday
A 30 percent chance of showers after 2pm. Mostly cloudy, with a high near 64. Southwest wind around 5 mph.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 47.
Thursday
A 40 percent chance of showers. Mostly cloudy, with a high near 57.
Thursday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 46.
Friday
A 30 percent chance of showers. Mostly cloudy, with a high near 64.
Friday Night
Mostly cloudy, with a low around 46.
Saturday
Partly sunny, with a high near 56.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 47.
Sunday
A 40 percent chance of showers. Mostly cloudy, with a high near 61.
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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:
5:37 am EDT Apr 13, 2026
Forecast Valid:
6am EDT Apr 13, 2026-6pm EDT Apr 19, 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