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

78°F

26°C

Humidity 42%
Wind Speed Vrbl 5 mph
Barometer 30.25 in (1025.6 mb)
Dewpoint 53°F (12°C)
Visibility 8.00 mi
Heat Index79°F (26°C)
Last update 29 Aug 12:56 pm EDT
Extended Forecast for

South New Castle PA

  • This Afternoon

    This Afternoon: Sunny, with a high near 80. Southeast wind 3 to 5 mph.

    High: 80 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 61. Calm wind.

    Low: 61 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny during the morning, then mostly cloudy during the afternoon, with a high near 86. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 86 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers between 9pm and 1am. Mostly cloudy, with a low around 67. Calm wind. Chance of precipitation is 20%.

    Low: 67 °F

    Slight Chance
    Showers

  • Monday

    Monday: Partly sunny, with a high near 89. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 89 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 72.

    Low: 72 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 93.

    High: 93 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 72.

    Low: 72 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 92.

    High: 92 °F

    Hot

Detailed Forecast

This Afternoon
Sunny, with a high near 80. Southeast wind 3 to 5 mph.
Tonight
Partly cloudy, with a low around 61. Calm wind.
Sunday
Sunny during the morning, then mostly cloudy during the afternoon, with a high near 86. Calm wind becoming west 5 to 7 mph in the afternoon.
Sunday Night
A slight chance of showers between 9pm and 1am. Mostly cloudy, with a low around 67. Calm wind. Chance of precipitation is 20%.
Monday
Partly sunny, with a high near 89. Calm wind becoming west 5 to 7 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 72.
Tuesday
Mostly sunny and hot, with a high near 93.
Tuesday Night
Mostly cloudy, with a low around 72.
Wednesday
Mostly sunny and hot, with a high near 92.
Wednesday Night
A chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 72. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 89. Chance of precipitation is 40%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.
Friday
A chance of showers. Mostly sunny, with a high near 83. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South New Castle PA
 40.97°N 80.34°W (Elev. 1047 ft)
Last Update:
1:01 pm EDT Aug 29, 2026
Forecast Valid:
1pm EDT Aug 29, 2026-6pm EDT Sep 4, 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