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.

Light Rain

37°F

3°C

Humidity 70%
Wind Speed Vrbl 3 mph
Barometer 30.12 in (1022.6 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 18 Nov 12:56 pm EST
Extended Forecast for

Slippery Rock PA

  • This Afternoon

    This Afternoon: A chance of snow before 2pm, then a chance of rain. Cloudy, with a high near 40. Southeast wind 3 to 5 mph. Chance of precipitation is 40%. Total daytime snow accumulation of less than a half inch possible.

    High: 40 °F

    Chance
    Rain/Snow

  • Tonight

    Tonight: Rain, mainly before 11pm. Low around 29. Light and variable wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 29 °F

    Rain then
    Chance Rain

  • Wednesday

    Wednesday: Mostly sunny, with a high near 48. Light north wind.

    High: 48 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 28. Calm wind.

    Low: 28 °F

    Patchy Fog

  • Thursday

    Thursday: Areas of fog before 9am. Otherwise, mostly cloudy, with a high near 50. Light and variable wind.

    High: 50 °F

    Areas Fog
    then Cloudy

  • Thursday Night

    Thursday Night: A chance of rain, mainly after 1am. Cloudy, with a low around 40. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 40 °F

    Slight Chance
    Rain then
    Chance Rain

  • Friday

    Friday: A chance of rain before 1pm. Mostly cloudy, with a high near 54. Chance of precipitation is 30%.

    High: 54 °F

    Chance Rain

  • Friday Night

    Friday Night: A chance of rain. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.

    Low: 30 °F

    Chance Rain

  • Saturday

    Saturday: A chance of rain. Partly sunny, with a high near 48. Chance of precipitation is 30%.

    High: 48 °F

    Chance Rain

Detailed Forecast

This Afternoon
A chance of snow before 2pm, then a chance of rain. Cloudy, with a high near 40. Southeast wind 3 to 5 mph. Chance of precipitation is 40%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Rain, mainly before 11pm. Low around 29. Light and variable wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Mostly sunny, with a high near 48. Light north wind.
Wednesday Night
Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 28. Calm wind.
Thursday
Areas of fog before 9am. Otherwise, mostly cloudy, with a high near 50. Light and variable wind.
Thursday Night
A chance of rain, mainly after 1am. Cloudy, with a low around 40. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A chance of rain before 1pm. Mostly cloudy, with a high near 54. Chance of precipitation is 30%.
Friday Night
A chance of rain. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.
Saturday
A chance of rain. Partly sunny, with a high near 48. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 27.
Sunday
Mostly sunny, with a high near 51.
Sunday Night
Partly cloudy, with a low around 32.
Monday
Mostly sunny, with a high near 52.
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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:
12:47 pm EST Nov 18, 2025
Forecast Valid:
1pm EST Nov 18, 2025-6pm EST Nov 24, 2025
 
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