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

54°F

12°C

Humidity 90%
Wind Speed SW 5 mph
Barometer 29.94 in (1015.0 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Wind Chill53°F (12°C)
Last update 20 Jun 3:56 am EDT
Extended Forecast for

New Castle PA

  • Today

    Today: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 77. Light southwest wind becoming west 5 to 10 mph in the morning. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Sunny then
    Chance
    T-storms

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, mostly clear, with a low around 55. West wind around 5 mph becoming calm in the evening.

    Low: 55 °F

    Partly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 8am. Otherwise, increasing clouds, with a high near 80. Calm wind becoming west around 6 mph in the afternoon.

    High: 80 °F

    Patchy Fog
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Showers likely, then showers and possibly a thunderstorm after 2am. Low around 59. Calm wind becoming east 5 to 7 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. Southeast wind 8 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph. 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 and thunderstorms before 8pm. Mostly cloudy, with a low around 56. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

Detailed Forecast

Today
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 77. Light southwest wind becoming west 5 to 10 mph in the morning. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Patchy fog after 3am. Otherwise, mostly clear, with a low around 55. West wind around 5 mph becoming calm in the evening.
Sunday
Patchy fog before 8am. Otherwise, increasing clouds, with a high near 80. Calm wind becoming west around 6 mph in the afternoon.
Sunday Night
Showers likely, then showers and possibly a thunderstorm after 2am. Low around 59. Calm wind becoming east 5 to 7 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. Southeast wind 8 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Monday Night
A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 56. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Sunny, with a high near 78.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
Sunny, with a high near 80.
Wednesday Night
A chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Partly cloudy, with a low around 58. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 80. Chance of precipitation is 40%.
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. Partly sunny, with a high near 80. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
New Castle PA
 40.99°N 80.34°W (Elev. 889 ft)
Last Update:
2:21 am EDT Jun 20, 2026
Forecast Valid:
4am 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