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.

Partly Cloudy

36°F

2°C

Humidity 48%
Wind Speed NW 9 mph
Barometer 30.56 in (1037.8 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 28 Mar 1:56 pm EDT
Extended Forecast for

Slippery Rock PA

  • This Afternoon

    This Afternoon: Sunny, with a high near 42. Northwest wind around 9 mph.

    High: 42 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 27. Light and variable wind.

    Low: 27 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 56. Southwest wind 5 to 9 mph.

    High: 56 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 42. South wind 6 to 8 mph.

    Low: 42 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of rain after 2pm. Mostly cloudy, with a high near 64. Southwest wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    High: 64 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Monday Night

    Monday Night: A slight chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after 8pm. Mostly cloudy, with a low around 54. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Rain Likely

  • Tuesday

    Tuesday: A chance of rain, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 74. Chance of precipitation is 40%.

    High: 74 °F

    Chance Rain
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 44. Chance of precipitation is 70%.

    Low: 44 °F

    Rain Likely

  • Wednesday

    Wednesday: Rain likely, mainly before 2pm. Mostly cloudy, with a high near 56. Chance of precipitation is 60%.

    High: 56 °F

    Rain Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 42. Northwest wind around 9 mph.
Tonight
Partly cloudy, with a low around 27. Light and variable wind.
Sunday
Partly sunny, with a high near 56. Southwest wind 5 to 9 mph.
Sunday Night
Mostly cloudy, with a low around 42. South wind 6 to 8 mph.
Monday
A slight chance of rain after 2pm. Mostly cloudy, with a high near 64. Southwest wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Monday Night
A slight chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after 8pm. Mostly cloudy, with a low around 54. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of rain, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 74. Chance of precipitation is 40%.
Tuesday Night
Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 44. Chance of precipitation is 70%.
Wednesday
Rain likely, mainly before 2pm. Mostly cloudy, with a high near 56. Chance of precipitation is 60%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 33. Chance of precipitation is 40%.
Thursday
A chance of rain. Mostly cloudy, with a high near 57. Chance of precipitation is 50%.
Thursday Night
Rain likely. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.
Friday
Rain likely. Mostly cloudy, with a high near 59. 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:
11:36 am EDT Mar 28, 2026
Forecast Valid:
2pm EDT Mar 28, 2026-6pm EDT Apr 3, 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