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

Hazardous Weather Conditions

Current conditions at

New Castle Municipal Airport (KUCP)

Lat: 41.02°NLon: 80.42°WElev: 1072ft.

Light Rain

57°F

14°C

Humidity 62%
Wind Speed SW 6 mph
Barometer 29.80 in (1011.1 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 20 Mar 1:56 pm EDT
Extended Forecast for

New Castle Northwest PA

  • This Afternoon

    This Afternoon: Showers, with thunderstorms also possible after 5pm. High near 60. Southwest wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 60 °F

    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Mostly cloudy, with a low around 35. Southwest wind around 6 mph becoming north in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 35 °F

    Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 59. Light and variable wind.

    High: 59 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 46. Calm wind becoming south around 6 mph after midnight.

    Low: 46 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 74. Southwest wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 74 °F

    Partly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely after 8pm. Mostly cloudy, with a low around 34. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 34 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers before 8am. Mostly cloudy, with a high near 44. Chance of precipitation is 30%.

    High: 44 °F

    Chance
    Showers then
    Partly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Showers, with thunderstorms also possible after 5pm. High near 60. Southwest wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Mostly cloudy, with a low around 35. Southwest wind around 6 mph becoming north in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 59. Light and variable wind.
Saturday Night
Increasing clouds, with a low around 46. Calm wind becoming south around 6 mph after midnight.
Sunday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 74. Southwest wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms, then showers likely after 8pm. Mostly cloudy, with a low around 34. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Monday
A chance of showers before 8am. Mostly cloudy, with a high near 44. Chance of precipitation is 30%.
Monday Night
Mostly clear, with a low around 25.
Tuesday
Mostly sunny, with a high near 50.
Tuesday Night
Mostly cloudy, with a low around 33.
Wednesday
Mostly cloudy, with a high near 48.
Wednesday Night
Mostly cloudy, with a low around 32.
Thursday
A chance of rain. Partly sunny, with a high near 65. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
New Castle Northwest PA
 41.04°N 80.33°W (Elev. 1175 ft)
Last Update:
2:21 pm EDT Mar 20, 2026
Forecast Valid:
2pm EDT Mar 20, 2026-6pm EDT Mar 26, 2026
 
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Additional Resources

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Chance of Precipitation