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.

Mostly Cloudy

43°F

6°C

Humidity 68%
Wind Speed SW 20 G 24 mph
Barometer 29.54 in (1002.6 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 25 Feb 11:56 am EST
Extended Forecast for

Slippery Rock PA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 42. Southwest wind around 14 mph, with gusts as high as 24 mph.

    High: 42 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 18. West wind 5 to 9 mph becoming light northwest after midnight. Winds could gust as high as 21 mph.

    Low: 18 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 36. Calm wind becoming west around 6 mph in the afternoon.

    High: 36 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 18. Calm wind.

    Low: 18 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 48. Calm wind becoming southwest 5 to 7 mph in the morning.

    High: 48 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of snow after 1am. Mostly cloudy, with a low around 23. Chance of precipitation is 40%.

    Low: 23 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: Partly sunny, with a high near 35.

    High: 35 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 42. Southwest wind around 14 mph, with gusts as high as 24 mph.
Tonight
Partly cloudy, with a low around 18. West wind 5 to 9 mph becoming light northwest after midnight. Winds could gust as high as 21 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 36. Calm wind becoming west around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 18. Calm wind.
Friday
Sunny, with a high near 48. Calm wind becoming southwest 5 to 7 mph in the morning.
Friday Night
Mostly clear, with a low around 31.
Saturday
Mostly sunny, with a high near 50.
Saturday Night
A chance of snow after 1am. Mostly cloudy, with a low around 23. Chance of precipitation is 40%.
Sunday
Partly sunny, with a high near 35.
Sunday Night
A chance of snow after 1am. Mostly cloudy, with a low around 18. Chance of precipitation is 40%.
Monday
A chance of rain and snow. Partly sunny, with a high near 34. Chance of precipitation is 40%.
Monday Night
A chance of snow. Mostly cloudy, with a low around 16. Chance of precipitation is 30%.
Tuesday
A chance of rain and snow. Partly sunny, with a high near 39. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Slippery Rock PA
 41.06°N 80.07°W (Elev. 1260 ft)
Last Update:
12:12 pm EST Feb 25, 2026
Forecast Valid:
12pm EST Feb 25, 2026-6pm EST Mar 3, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation