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

New Castle Municipal Airport (KUCP)

Lat: 41.02°NLon: 80.42°WElev: 1072ft.

Fair

27°F

-3°C

Humidity 66%
Wind Speed Calm
Barometer 29.94 in (1017.3 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Last update 5 Dec 4:56 pm EST
Extended Forecast for

New Castle Northwest PA

  • Tonight

    Tonight: Increasing clouds, with a low around 18. Calm wind becoming southwest around 6 mph after midnight.

    Low: 18 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A slight chance of snow showers between 10am and 1pm. Mostly cloudy, with a high near 34. South wind 6 to 9 mph. Chance of precipitation is 20%.

    High: 34 °F

    Slight Chance
    Snow Showers

  • Saturday Night

    Saturday Night: Cloudy, with a low around 24. West wind around 5 mph becoming calm in the evening.

    Low: 24 °F

    Cloudy

  • Sunday

    Sunday: A chance of snow, mainly after 1pm. Cloudy, with a high near 34. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    High: 34 °F

    Slight Chance
    Snow then
    Chance Snow

  • Sunday Night

    Sunday Night: A chance of snow before 1am. Mostly cloudy, with a low around 15. Northwest wind around 6 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 15 °F

    Chance Snow

  • Monday

    Monday: Mostly sunny, with a high near 26.

    High: 26 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 10.

    Low: 10 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of snow. Mostly cloudy, with a high near 33. Chance of precipitation is 40%.

    High: 33 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: A chance of snow. Mostly cloudy, with a low around 27. Chance of precipitation is 50%.

    Low: 27 °F

    Chance Snow

Detailed Forecast

Tonight
Increasing clouds, with a low around 18. Calm wind becoming southwest around 6 mph after midnight.
Saturday
A slight chance of snow showers between 10am and 1pm. Mostly cloudy, with a high near 34. South wind 6 to 9 mph. Chance of precipitation is 20%.
Saturday Night
Cloudy, with a low around 24. West wind around 5 mph becoming calm in the evening.
Sunday
A chance of snow, mainly after 1pm. Cloudy, with a high near 34. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Sunday Night
A chance of snow before 1am. Mostly cloudy, with a low around 15. Northwest wind around 6 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Monday
Mostly sunny, with a high near 26.
Monday Night
Partly cloudy, with a low around 10.
Tuesday
A chance of snow. Mostly cloudy, with a high near 33. Chance of precipitation is 40%.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 27. Chance of precipitation is 50%.
Wednesday
Rain. High near 39. Chance of precipitation is 90%.
Wednesday Night
Rain and snow. Low around 23. Chance of precipitation is 90%.
Thursday
Snow likely. Mostly cloudy, with a high near 32. Chance of precipitation is 60%.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 17. Chance of precipitation is 50%.
Friday
A chance of snow. Mostly cloudy, with a high near 28. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
New Castle Northwest PA
 41.04°N 80.33°W (Elev. 1175 ft)
Last Update:
2:38 pm EST Dec 5, 2025
Forecast Valid:
5pm EST Dec 5, 2025-6pm EST Dec 12, 2025
 
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Additional Resources

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High Temperature

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Chance of Precipitation