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

48°F

9°C

Humidity 83%
Wind Speed Calm
Barometer 30.20 in (1024.0 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 10 Apr 4:56 am EDT
Extended Forecast for

Slippery Rock PA

  • Today

    Today: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Increasing clouds, with a high near 71. West wind 7 to 14 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 71 °F

    Mostly Sunny
    then Showers
    Likely

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 9pm, then a chance of showers between 9pm and 10pm. Low around 37. Northwest wind 6 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 37 °F

    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 58. North wind around 6 mph.

    High: 58 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 39. Light and variable wind.

    Low: 39 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, with a high near 74. Southeast wind 6 to 10 mph becoming south in the afternoon.

    High: 74 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A slight chance of showers after 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 20%.

    Low: 58 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Monday

    Monday: Showers likely, mainly between 8am and 2pm. Mostly cloudy, with a high near 72. Chance of precipitation is 60%.

    High: 72 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A chance of showers. Mostly cloudy, with a low around 58. Chance of precipitation is 50%.

    Low: 58 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers. Mostly cloudy, with a high near 78. Chance of precipitation is 50%.

    High: 78 °F

    Chance
    Showers

Detailed Forecast

Today
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Increasing clouds, with a high near 71. West wind 7 to 14 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm before 9pm, then a chance of showers between 9pm and 10pm. Low around 37. Northwest wind 6 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Sunny, with a high near 58. North wind around 6 mph.
Saturday Night
Increasing clouds, with a low around 39. Light and variable wind.
Sunday
Mostly cloudy, with a high near 74. Southeast wind 6 to 10 mph becoming south in the afternoon.
Sunday Night
A slight chance of showers after 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 20%.
Monday
Showers likely, mainly between 8am and 2pm. Mostly cloudy, with a high near 72. Chance of precipitation is 60%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 58. Chance of precipitation is 50%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 78. Chance of precipitation is 50%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 50%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 81. Chance of precipitation is 50%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.
Thursday
A chance of showers. Partly sunny, with a high near 77. Chance of precipitation is 30%.
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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 10, 2026
Forecast Valid:
5am EDT Apr 10, 2026-6pm EDT Apr 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation