Current conditions at

Pease Air Force Base / Portsmouth (KPSM)

Lat: 43.08°NLon: 70.82°WElev: 102ft.

Mostly Cloudy

53°F

12°C

Humidity 62%
Wind Speed N 9 mph
Barometer 30.04 in (1017.5 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 30 May 5:55 pm EDT
Extended Forecast for

New Castle NH

High Surf Advisory May 30, 06:45pm until May 30, 08:00pm
Click here for hazard details and duration
...
  •  
    High Surf Advisory May 30, 06:45pm until May 30, 08:00pm

    NOW until 8:00pm Sat

    High Surf Advisory

  • Tonight

    Low: 43 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of showers before 2pm, then showers likely and possibly a thunderstorm between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm.  Increasing clouds, with a high near 67. Northwest wind around 5 mph becoming southeast in the afternoon.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 67 °F

    Sunny then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely before 2am, then a slight chance of showers after 5am.  Mostly cloudy, with a low around 48. South wind around 5 mph becoming north after midnight.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Monday

    Monday: A 40 percent chance of showers before 2pm.  Cloudy through mid morning, then gradual clearing, with a high near 59. Northeast wind 5 to 10 mph.

    High: 59 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 46. South wind around 5 mph becoming calm.

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

Detailed Forecast

Tonight
Partly cloudy, with a low around 43. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
A slight chance of showers before 2pm, then showers likely and possibly a thunderstorm between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. Increasing clouds, with a high near 67. Northwest wind around 5 mph becoming southeast in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers likely before 2am, then a slight chance of showers after 5am. Mostly cloudy, with a low around 48. South wind around 5 mph becoming north after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday
A 40 percent chance of showers before 2pm. Cloudy through mid morning, then gradual clearing, with a high near 59. Northeast wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 46. South wind around 5 mph becoming calm.
Tuesday
Mostly sunny, with a high near 64.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
Mostly sunny, with a high near 64.
Wednesday Night
Mostly clear, with a low around 50.
Thursday
Mostly sunny, with a high near 72.
Thursday Night
Partly cloudy, with a low around 55.
Friday
Mostly sunny, with a high near 79.
Friday Night
Mostly cloudy, with a low around 59.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
New Castle NH
 43.04°N 70.72°W (Elev. 3 ft)
2:26 pm EDT May 30, 2026
6pm EDT May 30, 2026-6pm EDT Jun 6, 2026
 
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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