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

73°F

23°C

Humidity 48%
Wind Speed W 14 G 23 mph
Barometer 29.87 in (1011.5 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 19 Jun 5:53 pm EDT
Extended Forecast for

Finleyville PA

  • Tonight

    Tonight: Isolated showers before 9pm. Mostly clear, with a low around 56. West wind 6 to 14 mph. Chance of precipitation is 20%.

    Low: 56 °F

    Isolated
    Showers then
    Mostly Clear

  • Saturday

    Saturday: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 76. West wind 7 to 14 mph. Chance of precipitation is 20%.

    High: 76 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 57. West wind 5 to 8 mph.

    Low: 57 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 79. West wind 5 to 7 mph.

    High: 79 °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 62. Calm wind becoming east 5 to 8 mph after midnight. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 62 °F

    Chance
    Showers then
    Showers

  • Monday

    Monday: Showers and possibly a thunderstorm. High near 76. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 76 °F

    Showers

  • Monday Night

    Monday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.

    Low: 58 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

Tonight
Isolated showers before 9pm. Mostly clear, with a low around 56. West wind 6 to 14 mph. Chance of precipitation is 20%.
Saturday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 76. West wind 7 to 14 mph. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 57. West wind 5 to 8 mph.
Sunday
Mostly sunny, with a high near 79. West wind 5 to 7 mph.
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 62. Calm wind becoming east 5 to 8 mph after midnight. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Showers and possibly a thunderstorm. High near 76. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Partly cloudy, with a low around 58.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 78. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 58. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 78. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Finleyville PA
 40.24°N 80.01°W (Elev. 1214 ft)
Last Update:
6:21 pm EDT Jun 19, 2026
Forecast Valid:
6pm EDT Jun 19, 2026-6pm EDT Jun 26, 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