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.

Rain

63°F

17°C

Humidity NA
Wind Speed W 13 G 21 mph
Barometer 29.81 in (1009.8 mb)
Dewpoint N/A
Visibility 8.00 mi
Last update 18 Apr 5:56 pm EDT
Extended Forecast for

Butler PA

Freeze Watch April 20, 12:00am until April 20, 09:00am
Click here for hazard details and duration
Freeze Watch

  • Tonight

    Tonight: Showers, mainly before 2am. Low around 38. Southwest wind 9 to 14 mph becoming northwest in the evening. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 38 °F

    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 51. West wind 9 to 14 mph, with gusts as high as 24 mph.

    High: 51 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of showers before 2am. Widespread frost after 3am. Otherwise, mostly cloudy, with a low around 29. West wind around 7 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 29 °F

    Chance
    Showers

  • Monday

    Monday: Widespread frost between 7am and 8am. Otherwise, mostly sunny, with a high near 44. Northwest wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 44 °F

    Frost then
    Mostly Sunny

  • Monday Night

    Monday Night: Widespread frost after 3am. Otherwise, mostly clear, with a low around 23. Northwest wind around 5 mph becoming calm in the evening.

    Low: 23 °F

    Mostly Clear
    then Frost

  • Tuesday

    Tuesday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers. Mostly cloudy, with a low around 47. Chance of precipitation is 40%.

    Low: 47 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers before 2pm. Partly sunny, with a high near 69. Chance of precipitation is 30%.

    High: 69 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers, mainly before 2am. Low around 38. Southwest wind 9 to 14 mph becoming northwest in the evening. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Partly sunny, with a high near 51. West wind 9 to 14 mph, with gusts as high as 24 mph.
Sunday Night
A chance of showers before 2am. Widespread frost after 3am. Otherwise, mostly cloudy, with a low around 29. West wind around 7 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Widespread frost between 7am and 8am. Otherwise, mostly sunny, with a high near 44. Northwest wind 7 to 10 mph, with gusts as high as 20 mph.
Monday Night
Widespread frost after 3am. Otherwise, mostly clear, with a low around 23. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 61.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 47. Chance of precipitation is 40%.
Wednesday
A chance of showers before 2pm. Partly sunny, with a high near 69. Chance of precipitation is 30%.
Wednesday Night
Mostly clear, with a low around 43.
Thursday
Sunny, with a high near 76.
Thursday Night
Partly cloudy, with a low around 51.
Friday
Mostly sunny, with a high near 80.
Friday Night
A chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 40%.
Saturday
Showers likely. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Butler PA
 40.87°N 79.89°W (Elev. 1198 ft)
Last Update:
5:51 pm EDT Apr 18, 2026
Forecast Valid:
6pm EDT Apr 18, 2026-6pm EDT Apr 25, 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