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.

Mostly Cloudy

53°F

12°C

Humidity 41%
Wind Speed W 12 G 16 mph
Barometer 29.95 in (1016.4 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 27 Feb 4:56 pm EST
Extended Forecast for

New Castle Northwest PA

  • Tonight

    Tonight: Increasing clouds, with a low around 38. South wind 6 to 9 mph.

    Low: 38 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly sunny, with a high near 52. West wind around 7 mph becoming north in the afternoon.

    High: 52 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of snow after 1am. Increasing clouds, with a low around 26. North wind 5 to 7 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 26 °F

    Partly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 34. North wind 8 to 10 mph.

    High: 34 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 16. North wind 3 to 7 mph.

    Low: 16 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of snow. Partly sunny, with a high near 36. Chance of precipitation is 20%.

    High: 36 °F

    Slight Chance
    Snow

  • Monday Night

    Monday Night: A chance of rain after 1am. Mostly cloudy, with a low around 24. Chance of precipitation is 40%.

    Low: 24 °F

    Mostly Cloudy
    then Chance
    Rain

  • Tuesday

    Tuesday: Rain likely. Mostly cloudy, with a high near 46. Chance of precipitation is 70%.

    High: 46 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 1am. Cloudy, with a low around 35. Chance of precipitation is 70%.

    Low: 35 °F

    Rain Likely

Detailed Forecast

Tonight
Increasing clouds, with a low around 38. South wind 6 to 9 mph.
Saturday
Mostly sunny, with a high near 52. West wind around 7 mph becoming north in the afternoon.
Saturday Night
A chance of snow after 1am. Increasing clouds, with a low around 26. North wind 5 to 7 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 34. North wind 8 to 10 mph.
Sunday Night
Mostly cloudy, with a low around 16. North wind 3 to 7 mph.
Monday
A slight chance of snow. Partly sunny, with a high near 36. Chance of precipitation is 20%.
Monday Night
A chance of rain after 1am. Mostly cloudy, with a low around 24. Chance of precipitation is 40%.
Tuesday
Rain likely. Mostly cloudy, with a high near 46. Chance of precipitation is 70%.
Tuesday Night
Rain likely, mainly before 1am. Cloudy, with a low around 35. Chance of precipitation is 70%.
Wednesday
A chance of rain. Mostly cloudy, with a high near 55. Chance of precipitation is 40%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 42. Chance of precipitation is 50%.
Thursday
Rain likely. Mostly cloudy, with a high near 62. Chance of precipitation is 70%.
Thursday Night
Rain likely. Mostly cloudy, with a low around 48. Chance of precipitation is 70%.
Friday
Rain likely. Mostly cloudy, with a high near 63. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
New Castle Northwest PA
 41.04°N 80.33°W (Elev. 1175 ft)
Last Update:
1:12 pm EST Feb 27, 2026
Forecast Valid:
5pm EST Feb 27, 2026-6pm EST Mar 6, 2026
 
Forecast Discussion
 
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Additional Resources

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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