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.

Partly Cloudy

74°F

23°C

Humidity 62%
Wind Speed NW 10 G 17 mph
Barometer 29.94 in (1013.4 mb)
Dewpoint 60°F (16°C)
Visibility NA
Last update 3 Aug 12:53 pm EDT
Extended Forecast for

Fayette City PA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 79. Northwest wind around 7 mph.

    High: 79 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after midnight. Otherwise, mostly clear, with a low around 56. Light north wind.

    Low: 56 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Areas of fog before 9am. Otherwise, sunny, with a high near 84. Calm wind.

    High: 84 °F

    Areas Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 67. Light and variable wind.

    Low: 67 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 85. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 83. Chance of precipitation is 80%.

    High: 83 °F

    Chance
    Showers then
    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Low around 68. Chance of precipitation is 80%.

    Low: 68 °F

    Showers then
    Chance
    T-storms

  • Friday

    Friday: Showers likely, then showers and possibly a thunderstorm after 2pm. High near 82. Chance of precipitation is 80%.

    High: 82 °F

    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 79. Northwest wind around 7 mph.
Tonight
Patchy fog after midnight. Otherwise, mostly clear, with a low around 56. Light north wind.
Tuesday
Areas of fog before 9am. Otherwise, sunny, with a high near 84. Calm wind.
Tuesday Night
Partly cloudy, with a low around 67. Light and variable wind.
Wednesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 85. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 83. Chance of precipitation is 80%.
Thursday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Low around 68. Chance of precipitation is 80%.
Friday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 82. Chance of precipitation is 80%.
Friday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 67. Chance of precipitation is 80%.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Fayette City PA
 40.09°N 79.83°W (Elev. 889 ft)
Last Update:
12:46 pm EDT Aug 3, 2026
Forecast Valid:
1pm EDT Aug 3, 2026-6pm EDT Aug 9, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation