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.

Partly Cloudy

34°F

1°C

Humidity 67%
Wind Speed NW 6 mph
Barometer 30.04 in (1019.9 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 21 Feb 4:56 pm EST
Extended Forecast for

New Castle Northwest PA

  • Tonight

    Tonight: Snow likely, mainly after 1am. Mostly cloudy, with a low around 30. Calm wind. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 30 °F

    Chance Snow
    then Snow
    Likely

  • Sunday

    Sunday: Snow likely, mainly between 9am and noon. Mostly cloudy, with a high near 36. Calm wind becoming northwest 5 to 7 mph in the morning. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 36 °F

    Snow Likely

  • Sunday Night

    Sunday Night: Snow likely, mainly after 1am. Mostly cloudy, with a low around 26. Northwest wind 6 to 9 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 26 °F

    Chance Snow
    then Snow
    Likely

  • Monday

    Monday: Snow likely, mainly before 1pm. Mostly cloudy, with a high near 33. Northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 33 °F

    Snow Likely

  • Monday Night

    Monday Night: A slight chance of snow before 1am. Mostly cloudy, with a low around 14. Northwest wind 9 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 14 °F

    Slight Chance
    Snow

  • Tuesday

    Tuesday: Partly sunny, with a high near 31.

    High: 31 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Snow likely, mainly after 1am. Mostly cloudy, with a low around 24. Chance of precipitation is 70%.

    Low: 24 °F

    Snow Likely

  • Wednesday

    Wednesday: A chance of snow before 1pm, then a chance of rain. Mostly cloudy, with a high near 42. Chance of precipitation is 50%.

    High: 42 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after 1am. Mostly cloudy, with a low around 28. Chance of precipitation is 60%.

    Low: 28 °F

    Rain Likely

Detailed Forecast

Tonight
Snow likely, mainly after 1am. Mostly cloudy, with a low around 30. Calm wind. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.
Sunday
Snow likely, mainly between 9am and noon. Mostly cloudy, with a high near 36. Calm wind becoming northwest 5 to 7 mph in the morning. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Sunday Night
Snow likely, mainly after 1am. Mostly cloudy, with a low around 26. Northwest wind 6 to 9 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Monday
Snow likely, mainly before 1pm. Mostly cloudy, with a high near 33. Northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday Night
A slight chance of snow before 1am. Mostly cloudy, with a low around 14. Northwest wind 9 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Tuesday
Partly sunny, with a high near 31.
Tuesday Night
Snow likely, mainly after 1am. Mostly cloudy, with a low around 24. Chance of precipitation is 70%.
Wednesday
A chance of snow before 1pm, then a chance of rain. Mostly cloudy, with a high near 42. Chance of precipitation is 50%.
Wednesday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 28. Chance of precipitation is 60%.
Thursday
Rain likely before 1pm, then a chance of rain and snow. Mostly cloudy, with a high near 40. Chance of precipitation is 60%.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 22. Chance of precipitation is 40%.
Friday
Mostly sunny, with a high near 43.
Friday Night
Mostly clear, with a low around 28.
Saturday
Mostly sunny, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
New Castle Northwest PA
 41.04°N 80.33°W (Elev. 1175 ft)
Last Update:
1:21 pm EST Feb 21, 2026
Forecast Valid:
5pm EST Feb 21, 2026-6pm EST Feb 28, 2026
 
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