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.

Mostly Cloudy

76°F

24°C

Humidity 58%
Wind Speed S 15 G 22 mph
Barometer 30.00 in (1015.7 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 25 Jun 1:53 pm EDT
Extended Forecast for

McKeesport PA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 82. Southwest wind around 11 mph.

    High: 82 °F

    Mostly Cloudy

  • Tonight

    Tonight: Showers and thunderstorms before 2am, then isolated showers between 2am and 3am. Some of the storms could be severe. Low around 63. West wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Severe
    Thunderstorms

  • Friday

    Friday: Cloudy, with a high near 82. Southwest wind 3 to 6 mph.

    High: 82 °F

    Cloudy

  • Friday Night

    Friday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2am. Low around 64. Light and variable wind. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 64 °F

    Scattered
    T-storms then
    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 80. South wind around 7 mph becoming northwest in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 80 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 64. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Showers
    Likely then
    Chance
    Showers and
    Patchy Fog

  • Sunday

    Sunday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 82. Southwest wind around 11 mph.
Tonight
Showers and thunderstorms before 2am, then isolated showers between 2am and 3am. Some of the storms could be severe. Low around 63. West wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Cloudy, with a high near 82. Southwest wind 3 to 6 mph.
Friday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2am. Low around 64. Light and variable wind. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Showers and possibly a thunderstorm. High near 80. South wind around 7 mph becoming northwest in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 64. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Mostly sunny, with a high near 85.
Sunday Night
Mostly clear, with a low around 65.
Monday
Mostly sunny, with a high near 89.
Monday Night
Partly cloudy, with a low around 69.
Tuesday
Mostly sunny and hot, with a high near 93.
Tuesday Night
Partly cloudy, with a low around 73.
Wednesday
Mostly sunny and hot, with a high near 96.
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ABOUT THIS FORECAST

 
Point Forecast:
McKeesport PA
 40.36°N 79.85°W (Elev. 801 ft)
Last Update:
2:22 pm EDT Jun 25, 2026
Forecast Valid:
2pm EDT Jun 25, 2026-6pm EDT Jul 1, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation