Current conditions at

Pease Air Force Base / Portsmouth (KPSM)

Lat: 43.08°NLon: 70.82°WElev: 102ft.

Overcast

43°F

6°C

Humidity 47%
Wind Speed W 6 mph
Barometer 29.78 in (1008.8 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 18 Feb 12:55 pm EST
Extended Forecast for

New Castle NH

  • This Afternoon

    This Afternoon: A 30 percent chance of snow, mainly after 5pm.  Mostly cloudy, with a high near 39. Northwest wind around 5 mph becoming calm.

    High: 39 °F

    Chance Snow

  • Tonight

    Tonight: A 30 percent chance of snow, mainly before 10pm.  Cloudy, then gradually becoming partly cloudy, with a low around 23. Calm wind becoming north around 5 mph in the evening.

    Low: 23 °F

    Chance Snow
    then Mostly
    Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 38. North wind around 5 mph becoming calm  in the morning.

    High: 38 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 24. Calm wind.

    Low: 24 °F

    Partly Cloudy

  • Friday

    Friday: Snow likely, mainly after 4pm.  Mostly cloudy, with a high near 38. Northwest wind around 5 mph becoming east in the afternoon.  Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 38 °F

    Chance Snow
    then Snow
    Likely

  • Friday Night

    Friday Night: Snow.  Low around 26. Chance of precipitation is 90%.

    Low: 26 °F

    Snow

  • Saturday

    Saturday: A 40 percent chance of snow between 1pm and 2pm.  Mostly cloudy, with a high near 34.

    High: 34 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A chance of snow between 9pm and midnight.  Mostly cloudy, with a low around 20. Chance of precipitation is 30%.

    Low: 20 °F

    Chance Snow
    then Mostly
    Cloudy

  • Sunday

    Sunday: A 30 percent chance of snow after 2pm.  Mostly cloudy, with a high near 35.

    High: 35 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

This Afternoon
A 30 percent chance of snow, mainly after 5pm. Mostly cloudy, with a high near 39. Northwest wind around 5 mph becoming calm.
Tonight
A 30 percent chance of snow, mainly before 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 23. Calm wind becoming north around 5 mph in the evening.
Thursday
Mostly sunny, with a high near 38. North wind around 5 mph becoming calm in the morning.
Thursday Night
Partly cloudy, with a low around 24. Calm wind.
Friday
Snow likely, mainly after 4pm. Mostly cloudy, with a high near 38. Northwest wind around 5 mph becoming east in the afternoon. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Friday Night
Snow. Low around 26. Chance of precipitation is 90%.
Saturday
A 40 percent chance of snow between 1pm and 2pm. Mostly cloudy, with a high near 34.
Saturday Night
A chance of snow between 9pm and midnight. Mostly cloudy, with a low around 20. Chance of precipitation is 30%.
Sunday
A 30 percent chance of snow after 2pm. Mostly cloudy, with a high near 35.
Sunday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 24. Blustery.
Monday
A 40 percent chance of snow. Mostly cloudy, with a high near 34. Breezy.
Monday Night
Mostly cloudy, with a low around 18.
Tuesday
Mostly sunny, with a high near 30.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
New Castle NH
 43.07°N 70.72°W (Elev. 26 ft)
6:08 am EST Feb 18, 2026
1pm EST Feb 18, 2026-6pm EST Feb 24, 2026
 
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