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.

Fair

43°F

6°C

Humidity 71%
Wind Speed NW 6 mph
Barometer 29.99 in (1016.3 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 15 May 4:53 am EDT
Extended Forecast for

Finleyville PA

  • Today

    Today: Increasing clouds, with a high near 68. West wind 5 to 8 mph.

    High: 68 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 50. Calm wind becoming south around 5 mph after midnight.

    Low: 50 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 80. South wind 7 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    High: 80 °F

    Sunny then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely, then showers after 11pm. Low around 61. Southwest wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Showers

  • Sunday

    Sunday: Showers, with thunderstorms also possible after 2pm. High near 81. Southwest wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Showers then
    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 91.

    High: 91 °F

    Hot

Detailed Forecast

Today
Increasing clouds, with a high near 68. West wind 5 to 8 mph.
Tonight
Partly cloudy, with a low around 50. Calm wind becoming south around 5 mph after midnight.
Saturday
A slight chance of showers between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 80. South wind 7 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Saturday Night
Showers and thunderstorms likely, then showers after 11pm. Low around 61. Southwest wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers, with thunderstorms also possible after 2pm. High near 81. Southwest wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Mostly clear, with a low around 64.
Monday
Sunny, with a high near 89.
Monday Night
Mostly clear, with a low around 67.
Tuesday
Mostly sunny and hot, with a high near 91.
Tuesday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 67. Chance of precipitation is 40%.
Wednesday
Showers and possibly a thunderstorm. High near 81. Chance of precipitation is 80%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 58. Chance of precipitation is 80%.
Thursday
A chance of showers. Partly sunny, with a high near 74. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Finleyville PA
 40.26°N 80.01°W (Elev. 1073 ft)
Last Update:
2:21 am EDT May 15, 2026
Forecast Valid:
5am EDT May 15, 2026-6pm EDT May 21, 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