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

64°F

18°C

Humidity 38%
Wind Speed W 9 mph
Barometer 30.02 in (1017.3 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 15 May 6:53 pm EDT
Extended Forecast for

Fayette City PA

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 48. Light and variable wind.

    Low: 48 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: A chance of showers and thunderstorms, mainly between 2pm and 3pm. Increasing clouds, with a high near 82. Southwest wind 6 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

    High: 82 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers and thunderstorms before 2am, then a chance of showers. Low around 59. Southwest wind 5 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Showers then
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 83. Southwest wind 3 to 5 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of thunderstorms before 8pm. Mostly clear, with a low around 62. Calm wind. Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 90.

    High: 90 °F

    Hot

  • 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

  • Tuesday Night

    Tuesday Night: A chance of showers after 8pm. Mostly cloudy, with a low around 66. Chance of precipitation is 50%.

    Low: 66 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 48. Light and variable wind.
Saturday
A chance of showers and thunderstorms, mainly between 2pm and 3pm. Increasing clouds, with a high near 82. Southwest wind 6 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Saturday Night
Showers and thunderstorms before 2am, then a chance of showers. Low around 59. Southwest wind 5 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 83. Southwest wind 3 to 5 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of thunderstorms before 8pm. Mostly clear, with a low around 62. Calm wind. Chance of precipitation is 30%.
Monday
Sunny and hot, with a high near 90.
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 66. Chance of precipitation is 50%.
Wednesday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 80. Chance of precipitation is 80%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 54. Chance of precipitation is 80%.
Thursday
Partly sunny, with a high near 71.
Thursday Night
Partly cloudy, with a low around 52.
Friday
A chance of showers. Mostly sunny, with a high near 76. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Fayette City PA
 40.11°N 79.83°W (Elev. 899 ft)
Last Update:
5:16 pm EDT May 15, 2026
Forecast Valid:
7pm EDT May 15, 2026-6pm EDT May 22, 2026
 
Forecast Discussion
 
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Additional Resources

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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