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

59°F

15°C

Humidity 96%
Wind Speed NW 8 mph
Barometer 30.14 in (1021.1 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 20 May 3:56 pm EDT
Extended Forecast for

Butler PA

  • This Afternoon

    This Afternoon: Scattered showers and thunderstorms. Mostly cloudy, with a steady temperature around 60. North wind around 9 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 60 °F

    Scattered
    Showers

  • Tonight

    Tonight: Scattered showers, mainly before 10pm. Cloudy, with a low around 49. North wind 5 to 7 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Scattered
    Showers

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 70. Northeast wind around 7 mph.

    High: 70 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 49. East wind 5 to 7 mph.

    Low: 49 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers after 2pm. Mostly cloudy, with a high near 69. East wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 69 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers, mainly after 8pm. Low around 49. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 49 °F

    Showers

  • Saturday

    Saturday: Showers, with thunderstorms also possible after 2pm. High near 67. Chance of precipitation is 100%.

    High: 67 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 56. Chance of precipitation is 80%.

    Low: 56 °F

    Showers

  • Sunday

    Sunday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 79. Chance of precipitation is 70%.

    High: 79 °F

    Chance
    Showers then
    Showers
    Likely

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms. Mostly cloudy, with a steady temperature around 60. North wind around 9 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Scattered showers, mainly before 10pm. Cloudy, with a low around 49. North wind 5 to 7 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 70. Northeast wind around 7 mph.
Thursday Night
Partly cloudy, with a low around 49. East wind 5 to 7 mph.
Friday
A chance of showers after 2pm. Mostly cloudy, with a high near 69. East wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Showers, mainly after 8pm. Low around 49. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday
Showers, with thunderstorms also possible after 2pm. High near 67. Chance of precipitation is 100%.
Saturday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 56. Chance of precipitation is 80%.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 79. Chance of precipitation is 70%.
Sunday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 70%.
Memorial Day
A chance of showers. Mostly cloudy, with a high near 78. Chance of precipitation is 50%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 80. Chance of precipitation is 30%.
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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:
2:21 pm EDT May 20, 2026
Forecast Valid:
4pm EDT May 20, 2026-6pm EDT May 26, 2026
 
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