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

59°F

15°C

Humidity 93%
Wind Speed Calm
Barometer 30.13 in (1021.4 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 25 May 9:56 pm EDT
Extended Forecast for

South New Castle PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 83. Calm wind.

    High: 83 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers after 2am. Cloudy, with a low around 62. Calm wind. Chance of precipitation is 20%.

    Low: 62 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 82. Light and variable wind. Chance of precipitation is 20%.

    High: 82 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 57. Light northwest wind.

    Low: 57 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 55. Calm wind.
Tuesday
Partly sunny, with a high near 83. Calm wind.
Tuesday Night
A slight chance of showers after 2am. Cloudy, with a low around 62. Calm wind. Chance of precipitation is 20%.
Wednesday
A slight chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 82. Light and variable wind. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 57. Light northwest wind.
Thursday
Sunny, with a high near 76.
Thursday Night
Mostly clear, with a low around 47.
Friday
Sunny, with a high near 76.
Friday Night
Mostly clear, with a low around 48.
Saturday
Sunny, with a high near 74.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Sunny, with a high near 74.
Sunday Night
Mostly clear, with a low around 50.
Monday
Mostly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South New Castle PA
 40.95°N 80.35°W (Elev. 1096 ft)
Last Update:
5:11 pm EDT May 25, 2026
Forecast Valid:
10pm EDT May 25, 2026-6pm EDT Jun 1, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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