National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Pittsburgh - Allegheny County Airport (KAGC)

Lat: 40.36°NLon: 79.92°WElev: 1237ft.

Fair

78°F

26°C

Humidity 67%
Wind Speed SW 7 mph
Barometer 29.94 in (1013.4 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 27 Aug 6:53 pm EDT
Extended Forecast for

Mc Keesport PA

  • Tonight

    Tonight: A chance of showers and thunderstorms before 8pm. Patchy fog after midnight. Otherwise, partly cloudy, with a low around 63. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    T-storms then
    Patchy Fog

  • Friday

    Friday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 81. Calm wind becoming north around 6 mph in the afternoon.

    High: 81 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 58. North wind around 5 mph becoming calm in the evening.

    Low: 58 °F

    Mostly Clear

  • Saturday

    Saturday: Patchy fog before 8am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 82. Calm wind.

    High: 82 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 62. Calm wind.

    Low: 62 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 88.

    High: 88 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 70.

    Low: 70 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 8pm. Patchy fog after midnight. Otherwise, partly cloudy, with a low around 63. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Friday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 81. Calm wind becoming north around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 58. North wind around 5 mph becoming calm in the evening.
Saturday
Patchy fog before 8am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 82. Calm wind.
Saturday Night
Mostly clear, with a low around 62. Calm wind.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
Partly cloudy, with a low around 68.
Monday
Partly sunny, with a high near 88.
Monday Night
Mostly cloudy, with a low around 70.
Tuesday
Partly sunny and hot, with a high near 90.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 71. Chance of precipitation is 30%.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 88. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 50%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mc Keesport PA
 40.33°N 79.83°W (Elev. 942 ft)
Last Update:
6:52 pm EDT Aug 27, 2026
Forecast Valid:
7pm EDT Aug 27, 2026-6pm EDT Sep 3, 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