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

79°F

26°C

Humidity 58%
Wind Speed N 5 mph
Barometer 30.05 in (1017.0 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 14 Aug 7:53 pm EDT
Extended Forecast for

McKeesport PA

  • Tonight

    Tonight: Mostly clear, with a low around 65. Light north wind.

    Low: 65 °F

    Mostly Clear

  • Friday

    Friday: Patchy fog before 9am. Otherwise, sunny and hot, with a high near 91. Calm wind.

    High: 91 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 67. Calm wind.

    Low: 67 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 92. Calm wind.

    High: 92 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 67. Calm wind.

    Low: 67 °F

    Mostly Clear

  • Sunday

    Sunday: A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 92. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 68. Chance of precipitation is 30%.

    Low: 68 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 65. Light north wind.
Friday
Patchy fog before 9am. Otherwise, sunny and hot, with a high near 91. Calm wind.
Friday Night
Mostly clear, with a low around 67. Calm wind.
Saturday
Sunny and hot, with a high near 92. Calm wind.
Saturday Night
Mostly clear, with a low around 67. Calm wind.
Sunday
A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 92. 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 showers and thunderstorms before 8pm. Partly cloudy, with a low around 68. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 88.
Monday Night
Partly cloudy, with a low around 67.
Tuesday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 40%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 50%.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 84.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
McKeesport PA
 40.36°N 79.85°W (Elev. 801 ft)
Last Update:
7:05 pm EDT Aug 14, 2025
Forecast Valid:
8pm EDT Aug 14, 2025-6pm EDT Aug 21, 2025
 
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