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.

Rain

60°F

16°C

Humidity 100%
Wind Speed Vrbl 5 mph
Barometer 29.86 in (1012.3 mb)
Dewpoint 60°F (16°C)
Visibility 9.00 mi
Last update 22 Aug 9:56 pm EDT
Extended Forecast for

New Castle Northwest PA

  • Tonight

    Tonight: Showers and thunderstorms likely before 2am, then a slight chance of showers after 5am. Mostly cloudy, with a low around 60. South wind around 6 mph becoming west after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    T-storms
    Likely then
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 74. West wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    High: 74 °F

    Mostly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, mainly before 11pm. Partly cloudy, with a low around 55. West wind 3 to 5 mph. Chance of precipitation is 40%.

    Low: 55 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Monday

    Monday: Mostly sunny, with a high near 72. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 72 °F

    Mostly Sunny

  • Monday Night

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

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 60.

    Low: 60 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Showers and thunderstorms likely before 2am, then a slight chance of showers after 5am. Mostly cloudy, with a low around 60. South wind around 6 mph becoming west after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 74. West wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms, mainly before 11pm. Partly cloudy, with a low around 55. West wind 3 to 5 mph. Chance of precipitation is 40%.
Monday
Mostly sunny, with a high near 72. West wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 54. West wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Mostly sunny, with a high near 81.
Wednesday Night
Mostly cloudy, with a low around 60.
Thursday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 62. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 81. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 60. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
New Castle Northwest PA
 41.04°N 80.33°W (Elev. 1175 ft)
Last Update:
9:26 pm EDT Aug 22, 2026
Forecast Valid:
10pm EDT Aug 22, 2026-6pm EDT Aug 29, 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