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.

Overcast

31°F

-1°C

Humidity 85%
Wind Speed SW 3 mph
Barometer 29.99 in (1018.2 mb)
Dewpoint 27°F (-3°C)
Visibility 8.00 mi
Last update 6 Dec 6:56 pm EST
Extended Forecast for

New Castle PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 25. Calm wind.

    Low: 25 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of snow before 3pm, then a chance of rain and snow between 3pm and 4pm, then a chance of snow after 4pm. Cloudy, with a high near 37. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 37 °F

    Slight Chance
    Snow then
    Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: A slight chance of rain and snow before 7pm, then a slight chance of snow between 7pm and 1am. Mostly cloudy, with a low around 15. Northwest wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 20%.

    Low: 15 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Snow

  • Monday

    Monday: Mostly sunny, with a high near 27. Northeast wind around 5 mph becoming calm in the afternoon.

    High: 27 °F

    Mostly Sunny

  • Monday Night

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

    Low: 10 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of snow, mainly after 1pm. Mostly cloudy, with a high near 36. Chance of precipitation is 30%.

    High: 36 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: A chance of rain and snow before 1am, then rain likely. Mostly cloudy, with a low around 29. Chance of precipitation is 60%.

    Low: 29 °F

    Chance
    Rain/Snow
    then
    Rain/Snow
    Likely

  • Wednesday

    Wednesday: Rain. High near 41. Chance of precipitation is 90%.

    High: 41 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain and snow before 1am, then a chance of snow. Low around 25. Chance of precipitation is 80%.

    Low: 25 °F

    Rain/Snow

Detailed Forecast

Tonight
Mostly cloudy, with a low around 25. Calm wind.
Sunday
A chance of snow before 3pm, then a chance of rain and snow between 3pm and 4pm, then a chance of snow after 4pm. Cloudy, with a high near 37. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 50%. Little or no snow accumulation expected.
Sunday Night
A slight chance of rain and snow before 7pm, then a slight chance of snow between 7pm and 1am. Mostly cloudy, with a low around 15. Northwest wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 27. Northeast wind around 5 mph becoming calm in the afternoon.
Monday Night
Partly cloudy, with a low around 10. Calm wind.
Tuesday
A chance of snow, mainly after 1pm. Mostly cloudy, with a high near 36. Chance of precipitation is 30%.
Tuesday Night
A chance of rain and snow before 1am, then rain likely. Mostly cloudy, with a low around 29. Chance of precipitation is 60%.
Wednesday
Rain. High near 41. Chance of precipitation is 90%.
Wednesday Night
Rain and snow before 1am, then a chance of snow. Low around 25. Chance of precipitation is 80%.
Thursday
A chance of snow. Cloudy, with a high near 34. Chance of precipitation is 50%.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 20. Chance of precipitation is 50%.
Friday
Snow likely. Mostly cloudy, with a high near 30. Chance of precipitation is 60%.
Friday Night
Snow likely. Mostly cloudy, with a low around 13. Chance of precipitation is 60%.
Saturday
A chance of snow. Mostly cloudy, with a high near 24. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
New Castle PA
 40.99°N 80.34°W (Elev. 889 ft)
Last Update:
5:46 pm EST Dec 6, 2025
Forecast Valid:
7pm EST Dec 6, 2025-6pm EST Dec 13, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation