National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Pease Air Force Base / Portsmouth (KPSM)

Lat: 43.08°NLon: 70.82°WElev: 102ft.

Fog/Mist

44°F

7°C

Humidity 92%
Wind Speed E 8 mph
Barometer 30.05 in (1017.9 mb)
Dewpoint 42°F (6°C)
Visibility 1.50 mi
Wind Chill39°F (4°C)
Last update 18 Apr 6:55 pm EDT
Extended Forecast for

New Castle NH

  • Tonight

    Tonight: Patchy drizzle before 8pm. Patchy fog after 11pm. Otherwise, cloudy, with a low around 42. East wind 5 to 10 mph becoming light in the evening.

    Low: 42 °F

    Patchy
    Drizzle and
    Patchy Fog
    then Patchy
    Fog

  • Sunday

    Sunday: Rain, mainly after 10am. Patchy fog between noon and 3pm. High near 48. South wind 5 to 10 mph becoming west in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 48 °F

    Rain and
    Patchy Fog

  • Sunday Night

    Sunday Night: Rain likely, mainly before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 34. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Rain Likely
    then Mostly
    Clear

  • Monday

    Monday: Mostly sunny, with a high near 47. West wind around 5 mph.

    High: 47 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 30. North wind around 5 mph.

    Low: 30 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 45.

    High: 45 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 51.

    High: 51 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy drizzle before 8pm. Patchy fog after 11pm. Otherwise, cloudy, with a low around 42. East wind 5 to 10 mph becoming light in the evening.
Sunday
Rain, mainly after 10am. Patchy fog between noon and 3pm. High near 48. South wind 5 to 10 mph becoming west in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain likely, mainly before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 34. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Mostly sunny, with a high near 47. West wind around 5 mph.
Monday Night
Partly cloudy, with a low around 30. North wind around 5 mph.
Tuesday
Sunny, with a high near 45.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
Mostly cloudy, with a high near 51.
Wednesday Night
Partly cloudy, with a low around 37.
Thursday
Mostly sunny, with a high near 55.
Thursday Night
Mostly cloudy, with a low around 39.
Friday
Mostly sunny, with a high near 55.
Friday Night
Mostly cloudy, with a low around 40.
Saturday
Partly sunny, with a high near 53.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
New Castle NH
 43.07°N 70.72°W (Elev. 26 ft)
Last Update:
6:37 pm EDT Apr 18, 2026
Forecast Valid:
7pm EDT Apr 18, 2026-6pm EDT Apr 25, 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