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

Hazardous Weather Conditions

Current conditions at

Pittsburgh/Butler Regional Airport (KBTP)

Lat: 40.78°NLon: 79.96°WElev: 1248ft.

Mostly Cloudy

72°F

22°C

Humidity 82%
Wind Speed SW 7 mph
Barometer 29.99 in (1015.6 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 27 Aug 9:56 am EDT
Extended Forecast for

Karns City PA

  • Today

    Today: Scattered showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 81. West wind around 6 mph. Chance of precipitation is 30%.

    High: 81 °F

    Partly Sunny
    then
    Scattered
    T-storms

  • Tonight

    Tonight: Scattered showers and thunderstorms, mainly before 7pm. Areas of fog after 1am. Otherwise, partly cloudy, with a low around 58. Calm wind. Chance of precipitation is 30%.

    Low: 58 °F

    Scattered
    T-storms then
    Areas Fog

  • Friday

    Friday: Areas of fog before 10am. Otherwise, mostly sunny, with a high near 80. Calm wind becoming north around 5 mph in the afternoon.

    High: 80 °F

    Areas Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Patchy fog after 2am. Otherwise, mostly clear, with a low around 54. Light north wind.

    Low: 54 °F

    Partly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 8am. Otherwise, sunny, with a high near 81. Calm wind.

    High: 81 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 86.

    High: 86 °F

    Partly Sunny

Detailed Forecast

Today
Scattered showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 81. West wind around 6 mph. Chance of precipitation is 30%.
Tonight
Scattered showers and thunderstorms, mainly before 7pm. Areas of fog after 1am. Otherwise, partly cloudy, with a low around 58. Calm wind. Chance of precipitation is 30%.
Friday
Areas of fog before 10am. Otherwise, mostly sunny, with a high near 80. Calm wind becoming north around 5 mph in the afternoon.
Friday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 54. Light north wind.
Saturday
Patchy fog before 8am. Otherwise, sunny, with a high near 81. Calm wind.
Saturday Night
Partly cloudy, with a low around 57.
Sunday
Mostly sunny, with a high near 84.
Sunday Night
Partly cloudy, with a low around 65.
Monday
Partly sunny, with a high near 86.
Monday Night
Mostly cloudy, with a low around 67.
Tuesday
Partly sunny, with a high near 87.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 68. Chance of precipitation is 40%.
Wednesday
A chance of showers. Partly sunny, with a high near 85. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Karns City PA
 40.99°N 79.73°W (Elev. 1243 ft)
Last Update:
7:31 am EDT Aug 27, 2026
Forecast Valid:
10am EDT Aug 27, 2026-6pm EDT Sep 2, 2026
 
Forecast Discussion
 
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Additional Resources

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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