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

44°F

7°C

Humidity 40%
Wind Speed S 3 mph
Barometer 30.32 in (1028.5 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 9 Apr 3:56 am EDT
Extended Forecast for

Slippery Rock PA

  • Overnight

    Overnight: Mostly clear, with a low around 36. Southeast wind around 7 mph.

    Low: 36 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 71. South wind 8 to 11 mph, with gusts as high as 21 mph.

    High: 71 °F

    Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight. Partly cloudy, with a low around 48. South wind around 6 mph. Chance of precipitation is 20%.

    Low: 48 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Showers likely after 2pm. Increasing clouds, with a high near 71. South wind 7 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 71 °F

    Mostly Sunny
    then Showers
    Likely

  • Friday Night

    Friday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 38. North wind 6 to 8 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 38 °F

    Showers
    Likely

  • Saturday

    Saturday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 76.

    High: 76 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 36. Southeast wind around 7 mph.
Thursday
Sunny, with a high near 71. South wind 8 to 11 mph, with gusts as high as 21 mph.
Thursday Night
A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight. Partly cloudy, with a low around 48. South wind around 6 mph. Chance of precipitation is 20%.
Friday
Showers likely after 2pm. Increasing clouds, with a high near 71. South wind 7 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 38. North wind 6 to 8 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Sunny, with a high near 60.
Saturday Night
Partly cloudy, with a low around 39.
Sunday
Partly sunny, with a high near 76.
Sunday Night
Mostly cloudy, with a low around 58.
Monday
A chance of showers after 2pm. Mostly cloudy, with a high near 74. Chance of precipitation is 40%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 40%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 79. Chance of precipitation is 50%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 50%.
Wednesday
Showers likely. Mostly cloudy, with a high near 73. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Slippery Rock PA
 41.08°N 80.06°W (Elev. 1237 ft)
Last Update:
2:21 am EDT Apr 9, 2026
Forecast Valid:
3am EDT Apr 9, 2026-6pm EDT Apr 15, 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