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.

Fair

77°F

25°C

Humidity 40%
Wind Speed Calm
Barometer 30.15 in (1021.4 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 3 Aug 6:56 pm EDT
Extended Forecast for

Karns City PA

  • Tonight

    Tonight: Mostly clear, with a low around 54. Calm wind.

    Low: 54 °F

    Mostly Clear

  • Monday

    Monday: Patchy fog between 7am and 8am. Otherwise, sunny, with a high near 84. Light east wind.

    High: 84 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 58. Calm wind.

    Low: 58 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 86. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 86 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 62. Light east wind.

    Low: 62 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of sprinkles after 2pm. Partly sunny, with a high near 84.

    High: 84 °F

    Chance
    Sprinkles

  • Wednesday Night

    Wednesday Night: A chance of sprinkles before 8pm, then a chance of sprinkles after 2am. Mostly cloudy, with a low around 61.

    Low: 61 °F

    Chance
    Sprinkles

  • Thursday

    Thursday: A chance of sprinkles before 2pm. Mostly sunny, with a high near 83.

    High: 83 °F

    Chance
    Sprinkles

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 54. Calm wind.
Monday
Patchy fog between 7am and 8am. Otherwise, sunny, with a high near 84. Light east wind.
Monday Night
Mostly cloudy, with a low around 58. Calm wind.
Tuesday
Mostly sunny, with a high near 86. Calm wind becoming southeast around 6 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 62. Light east wind.
Wednesday
A chance of sprinkles after 2pm. Partly sunny, with a high near 84.
Wednesday Night
A chance of sprinkles before 8pm, then a chance of sprinkles after 2am. Mostly cloudy, with a low around 61.
Thursday
A chance of sprinkles before 2pm. Mostly sunny, with a high near 83.
Thursday Night
Partly cloudy, with a low around 61.
Friday
Mostly sunny, with a high near 84.
Friday Night
Partly cloudy, with a low around 61.
Saturday
A chance of sprinkles. Sunny, with a high near 88.
Saturday Night
A chance of sprinkles. Partly cloudy, with a low around 64.
Sunday
Mostly sunny, with a high near 89.
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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:
7:04 pm EDT Aug 3, 2025
Forecast Valid:
7pm EDT Aug 3, 2025-6pm EDT Aug 10, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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