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.

A Few Clouds

54°F

12°C

Humidity 97%
Wind Speed SW 3 mph
Barometer 29.94 in (1014.9 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 20 Jun 12:56 am EDT
Extended Forecast for

South New Castle PA

  • Overnight

    Overnight: Partly cloudy, with a low around 55. West wind around 5 mph.

    Low: 55 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 76. West wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Sunny then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 54. West wind around 5 mph becoming calm in the evening.

    Low: 54 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 80. Calm wind becoming west around 6 mph in the morning.

    High: 80 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Showers likely, then showers and possibly a thunderstorm after 2am. Low around 59. Calm wind becoming east 5 to 9 mph after midnight. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 59 °F

    Showers
    Likely then
    Showers

  • Monday

    Monday: Showers and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. High near 76. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    High: 76 °F

    Showers

  • Monday Night

    Monday Night: A chance of showers before 8pm. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.

    Low: 56 °F

    Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 55. West wind around 5 mph.
Saturday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 76. West wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Mostly clear, with a low around 54. West wind around 5 mph becoming calm in the evening.
Sunday
Increasing clouds, with a high near 80. Calm wind becoming west around 6 mph in the morning.
Sunday Night
Showers likely, then showers and possibly a thunderstorm after 2am. Low around 59. Calm wind becoming east 5 to 9 mph after midnight. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Monday
Showers and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. High near 76. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Monday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Mostly clear, with a low around 53.
Wednesday
Sunny, with a high near 79.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 58. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 80. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 79. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South New Castle PA
 40.97°N 80.31°W (Elev. 1033 ft)
Last Update:
12:41 am EDT Jun 20, 2026
Forecast Valid:
1am EDT Jun 20, 2026-6pm EDT Jun 26, 2026
 
Forecast Discussion
 
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Additional Resources

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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