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

54°F

12°C

Humidity NA
Wind Speed Calm
Barometer 29.86 in (1011.0 mb)
Dewpoint N/A
Visibility 10.00 mi
Last update 19 Jun 5:56 am EDT
Extended Forecast for

Tarentum PA

  • Juneteenth

    Juneteenth: Increasing clouds, with a high near 76. Light west wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 24 mph.

    High: 76 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly clear, with a low around 55. West wind 5 to 8 mph.

    Low: 55 °F

    Mostly Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 76. West wind 6 to 11 mph.

    High: 76 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 57. West wind around 6 mph becoming calm in the evening.

    Low: 57 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 80. Calm wind becoming west 5 to 7 mph in the morning.

    High: 80 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then showers and possibly a thunderstorm after 2am. Low around 61. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 61 °F

    Chance
    Showers then
    Showers

  • Monday

    Monday: Showers and possibly a thunderstorm before 8am, then showers between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. High near 77. Chance of precipitation is 90%.

    High: 77 °F

    Showers

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.

    Low: 57 °F

    Showers
    Likely then
    Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

Juneteenth
Increasing clouds, with a high near 76. Light west wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 24 mph.
Tonight
Mostly clear, with a low around 55. West wind 5 to 8 mph.
Saturday
Increasing clouds, with a high near 76. West wind 6 to 11 mph.
Saturday Night
Partly cloudy, with a low around 57. West wind around 6 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 80. Calm wind becoming west 5 to 7 mph in the morning.
Sunday Night
A chance of showers before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then showers and possibly a thunderstorm after 2am. Low around 61. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Monday
Showers and possibly a thunderstorm before 8am, then showers between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. High near 77. Chance of precipitation is 90%.
Monday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
Mostly sunny, with a high near 78.
Wednesday Night
Partly cloudy, with a low around 58.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 80. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Tarentum PA
 40.62°N 79.78°W (Elev. 1175 ft)
Last Update:
2:21 am EDT Jun 19, 2026
Forecast Valid:
6am EDT Jun 19, 2026-6pm EDT Jun 25, 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