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

76°F

24°C

Humidity 45%
Wind Speed N 7 mph
Barometer 29.98 in (1015.0 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 30 Jul 7:53 pm EDT
Extended Forecast for

Mount Lebanon PA

  • Tonight

    Tonight: Clear, with a low around 59. North wind 5 to 8 mph becoming calm in the evening.

    Low: 59 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 86. Calm wind.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 65. South wind around 5 mph becoming calm in the evening.

    Low: 65 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 85. Calm wind becoming south 5 to 8 mph in the morning.

    High: 85 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm, then showers after 2am. Low around 68. Southeast wind 5 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Showers

  • Sunday

    Sunday: Showers, with thunderstorms also possible after 8am. High near 79. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 79 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 50%.

    Low: 66 °F

    Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 30%.

    High: 80 °F

    Partly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 63. Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 59. North wind 5 to 8 mph becoming calm in the evening.
Friday
Sunny, with a high near 86. Calm wind.
Friday Night
Mostly cloudy, with a low around 65. South wind around 5 mph becoming calm in the evening.
Saturday
Mostly cloudy, with a high near 85. Calm wind becoming south 5 to 8 mph in the morning.
Saturday Night
Showers likely and possibly a thunderstorm, then showers after 2am. Low around 68. Southeast wind 5 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers, with thunderstorms also possible after 8am. High near 79. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 50%.
Monday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 63. Chance of precipitation is 30%.
Tuesday
A chance of showers after 2pm. Mostly sunny, with a high near 82. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 67. Chance of precipitation is 30%.
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 69. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Lebanon PA
 40.37°N 80.05°W (Elev. 1102 ft)
Last Update:
2:41 pm EDT Jul 30, 2026
Forecast Valid:
8pm EDT Jul 30, 2026-6pm EDT Aug 6, 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