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 78%
Wind Speed E 3 mph
Barometer 30.07 in (1018.0 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 4 Aug 2:53 am EDT
Extended Forecast for

Fayette City PA

  • Overnight

    Overnight: Patchy fog. Otherwise, mostly clear, with a low around 56. Calm wind.

    Low: 56 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 9am. Otherwise, sunny, with a high near 86. Calm wind.

    High: 86 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 67. East wind around 5 mph becoming calm after midnight.

    Low: 67 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 86. Calm wind becoming south around 5 mph in the afternoon.

    High: 86 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Scattered showers and thunderstorms before 2am, then isolated showers. Mostly cloudy, with a low around 68. Light south wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Scattered
    T-storms then
    Scattered
    Showers

  • Thursday

    Thursday: Isolated showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 85. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 85 °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 11pm, then a chance of showers after 11pm. Low around 68. Chance of precipitation is 80%.

    Low: 68 °F

    Showers then
    Chance
    Showers

  • Friday

    Friday: A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 84. Chance of precipitation is 80%.

    High: 84 °F

    Chance
    Showers then
    T-storms

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 67. Chance of precipitation is 80%.

    Low: 67 °F

    T-storms then
    Showers
    Likely

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly clear, with a low around 56. Calm wind.
Tuesday
Patchy fog before 9am. Otherwise, sunny, with a high near 86. Calm wind.
Tuesday Night
Partly cloudy, with a low around 67. East wind around 5 mph becoming calm after midnight.
Wednesday
Mostly sunny, with a high near 86. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
Scattered showers and thunderstorms before 2am, then isolated showers. Mostly cloudy, with a low around 68. Light south wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Isolated showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 85. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 11pm, then a chance of showers after 11pm. Low around 68. Chance of precipitation is 80%.
Friday
A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 84. 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
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 83. Chance of precipitation is 60%.
Saturday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Sunday
Partly sunny, with a high near 85.
Sunday Night
Partly cloudy, with a low around 69.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Fayette City PA
 40.11°N 79.83°W (Elev. 899 ft)
Last Update:
2:21 am EDT Aug 4, 2026
Forecast Valid:
3am EDT Aug 4, 2026-6pm EDT Aug 10, 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