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

36°F

2°C

Humidity 79%
Wind Speed N 12 mph
Barometer 29.86 in (1011.5 mb)
Dewpoint 30°F (-1°C)
Visibility 7.00 mi
Wind Chill28°F (-2°C)
Last update 23 Mar 11:55 am EDT
Extended Forecast for

New Castle NH

  • This Afternoon

    This Afternoon: Snow showers likely, mainly after 2pm. Mostly cloudy, with a high near 35. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.

    High: 35 °F

    Snow Showers
    Likely

  • Tonight

    Tonight: A 30 percent chance of snow showers, mainly between midnight and 3am. Mostly cloudy, with a low around 27. North wind around 5 mph.

    Low: 27 °F

    Chance Snow
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 42. North wind around 5 mph becoming southwest in the afternoon.

    High: 42 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 30. South wind around 5 mph.

    Low: 30 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 48. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 48 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain after 3am. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: A 30 percent chance of rain before 10am. Mostly cloudy, with a high near 53.

    High: 53 °F

    Chance Rain
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: Rain likely, mainly after 2am. Mostly cloudy, with a low around 37. Chance of precipitation is 60%.

    Low: 37 °F

    Rain Likely

  • Friday

    Friday: Rain likely, possibly mixed with snow, mainly before 7am. Partly sunny, with a high near 47. Chance of precipitation is 60%.

    High: 47 °F

    Rain/Snow
    Likely then
    Chance
    Rain/Snow

Detailed Forecast

This Afternoon
Snow showers likely, mainly after 2pm. Mostly cloudy, with a high near 35. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.
Tonight
A 30 percent chance of snow showers, mainly between midnight and 3am. Mostly cloudy, with a low around 27. North wind around 5 mph.
Tuesday
Mostly sunny, with a high near 42. North wind around 5 mph becoming southwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around 30. South wind around 5 mph.
Wednesday
Partly sunny, with a high near 48. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
A 30 percent chance of rain after 3am. Mostly cloudy, with a low around 36.
Thursday
A 30 percent chance of rain before 10am. Mostly cloudy, with a high near 53.
Thursday Night
Rain likely, mainly after 2am. Mostly cloudy, with a low around 37. Chance of precipitation is 60%.
Friday
Rain likely, possibly mixed with snow, mainly before 7am. Partly sunny, with a high near 47. Chance of precipitation is 60%.
Friday Night
Partly cloudy, with a low around 20.
Saturday
Sunny, with a high near 37.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
Sunny, with a high near 44.
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:
11:53 am EDT Mar 23, 2026
Forecast Valid:
12pm EDT Mar 23, 2026-6pm EDT Mar 29, 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