National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Pittsburgh - Allegheny County Airport (KAGC)

Lat: 40.36°NLon: 79.92°WElev: 1237ft.

Mostly Cloudy

68°F

20°C

Humidity 78%
Wind Speed NW 7 mph
Barometer 29.82 in (1009.3 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 29 Jul 9:53 am EDT
Extended Forecast for

Finleyville PA

  • Today

    Today: Partly sunny, with a high near 78. Northwest wind 11 to 15 mph.

    High: 78 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 58. Northwest wind 6 to 11 mph, with gusts as high as 21 mph.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 81. Northwest wind 6 to 10 mph.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 58. Northwest wind 5 to 8 mph becoming calm after midnight.

    Low: 58 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 83. Calm wind.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 64.

    Low: 64 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 84.

    High: 84 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 50%.

    Low: 68 °F

    Chance
    T-storms

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 81. Chance of precipitation is 70%.

    High: 81 °F

    Showers
    Likely

Detailed Forecast

Today
Partly sunny, with a high near 78. Northwest wind 11 to 15 mph.
Tonight
Mostly clear, with a low around 58. Northwest wind 6 to 11 mph, with gusts as high as 21 mph.
Thursday
Sunny, with a high near 81. Northwest wind 6 to 10 mph.
Thursday Night
Clear, with a low around 58. Northwest wind 5 to 8 mph becoming calm after midnight.
Friday
Sunny, with a high near 83. Calm wind.
Friday Night
Mostly cloudy, with a low around 64.
Saturday
Mostly cloudy, with a high near 84.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 50%.
Sunday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 81. Chance of precipitation is 70%.
Sunday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 40%.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 84. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Finleyville PA
 40.26°N 80.01°W (Elev. 1073 ft)
Last Update:
6:46 am EDT Jul 29, 2026
Forecast Valid:
10am EDT Jul 29, 2026-6pm EDT Aug 4, 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