National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Pittsburgh/Butler Regional Airport (KBTP)

Lat: 40.78°NLon: 79.96°WElev: 1248ft.

A Few Clouds

81°F

27°C

Humidity 62%
Wind Speed NW 6 G 16 mph
Barometer 30.00 in (1015.6 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 17 Aug 5:56 pm EDT
Extended Forecast for

Karns City PA

  • Tonight

    Tonight: Partly cloudy, with a low around 57. Northwest wind around 7 mph becoming northeast after midnight.

    Low: 57 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 81. Northeast wind 5 to 7 mph.

    High: 81 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 59. Calm wind becoming southeast around 5 mph after midnight.

    Low: 59 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 84. South wind around 6 mph.

    High: 84 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers, mainly after 2am. Partly cloudy, with a low around 62. Southeast wind around 5 mph. Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of thunderstorms before 8pm. Partly cloudy, with a low around 62. Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 57. Northwest wind around 7 mph becoming northeast after midnight.
Monday
Mostly sunny, with a high near 81. Northeast wind 5 to 7 mph.
Monday Night
Partly cloudy, with a low around 59. Calm wind becoming southeast around 5 mph after midnight.
Tuesday
Mostly sunny, with a high near 84. South wind around 6 mph.
Tuesday Night
A chance of showers, mainly after 2am. Partly cloudy, with a low around 62. Southeast wind around 5 mph. Chance of precipitation is 30%.
Wednesday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 62. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 82.
Thursday Night
Mostly clear, with a low around 58.
Friday
Sunny, with a high near 86.
Friday Night
Mostly clear, with a low around 61.
Saturday
Mostly sunny, with a high near 86.
Saturday Night
Partly cloudy, with a low around 60.
Sunday
A chance of showers. Mostly sunny, with a high near 79. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Karns City PA
 40.99°N 79.76°W (Elev. 1388 ft)
Last Update:
4:05 pm EDT Aug 17, 2025
Forecast Valid:
6pm EDT Aug 17, 2025-6pm EDT Aug 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