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.

Overcast

70°F

21°C

Humidity NA
Wind Speed SW 3 mph
Barometer 29.88 in (1011.6 mb)
Dewpoint N/A
Visibility 10.00 mi
Last update 12 Aug 8:56 pm EDT
Extended Forecast for

Butler PA

  • Tonight

    Tonight: Scattered showers, mainly before 1am. Mostly cloudy, with a low around 65. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 65 °F

    Scattered
    Showers

  • Thursday

    Thursday: Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 82. Calm wind becoming west around 5 mph in the afternoon.

    High: 82 °F

    Patchy Fog
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 60. Calm wind.

    Low: 60 °F

    Patchy Fog

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 5pm. Areas of fog before 10am. Otherwise, partly sunny, with a high near 81. Light northeast wind. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Chance
    Showers and
    Areas Fog

  • Friday Night

    Friday Night: Patchy fog between 1am and 3am. Otherwise, partly cloudy, with a low around 58. Calm wind.

    Low: 58 °F

    Partly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 62.

    Low: 62 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 60%.

    High: 84 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.

    Low: 65 °F

    Showers
    Likely

Detailed Forecast

Tonight
Scattered showers, mainly before 1am. Mostly cloudy, with a low around 65. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 82. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 60. Calm wind.
Friday
A chance of showers, with thunderstorms also possible after 5pm. Areas of fog before 10am. Otherwise, partly sunny, with a high near 81. Light northeast wind. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Patchy fog between 1am and 3am. Otherwise, partly cloudy, with a low around 58. Calm wind.
Saturday
Mostly sunny, with a high near 82.
Saturday Night
Mostly cloudy, with a low around 62.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 60%.
Sunday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Monday
A chance of showers. Partly sunny, with a high near 82. Chance of precipitation is 30%.
Monday Night
Patchy fog. Otherwise, partly cloudy, with a low around 59.
Tuesday
Patchy fog. Otherwise, mostly sunny, with a high near 81.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
Mostly sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Butler PA
 40.87°N 79.89°W (Elev. 1198 ft)
Last Update:
8:51 pm EDT Aug 12, 2026
Forecast Valid:
9pm EDT Aug 12, 2026-6pm EDT Aug 19, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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