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

66°F

19°C

Humidity 78%
Wind Speed Calm
Barometer 30.16 in (1022.9 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 29 Aug 7:56 pm EDT
Extended Forecast for

Slippery Rock PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 60. Calm wind.

    Low: 60 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 85. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 85 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers between 9pm and 1am. Mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 20%.

    Low: 66 °F

    Slight Chance
    Showers

  • Monday

    Monday: Partly sunny, with a high near 88. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 88 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 70. Light southwest wind.

    Low: 70 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 91.

    High: 91 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 71.

    Low: 71 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny and hot, with a high near 92.

    High: 92 °F

    Hot

  • Wednesday Night

    Wednesday Night: A chance of showers after 8pm. Mostly cloudy, with a low around 70. Chance of precipitation is 40%.

    Low: 70 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 60. Calm wind.
Sunday
Mostly sunny, with a high near 85. Calm wind becoming west 5 to 7 mph in the afternoon.
Sunday Night
A slight chance of showers between 9pm and 1am. Mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 20%.
Monday
Partly sunny, with a high near 88. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 70. Light southwest wind.
Tuesday
Mostly sunny and hot, with a high near 91.
Tuesday Night
Mostly cloudy, with a low around 71.
Wednesday
Partly sunny and hot, with a high near 92.
Wednesday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 70. Chance of precipitation is 40%.
Thursday
A chance of showers after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 40%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 62.
Saturday
Mostly sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Slippery Rock PA
 41.06°N 80.04°W (Elev. 1227 ft)
Last Update:
7:31 pm EDT Aug 29, 2026
Forecast Valid:
8pm EDT Aug 29, 2026-6pm EDT Sep 5, 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