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

68°F

20°C

Humidity 57%
Wind Speed Vrbl 3 mph
Barometer 29.89 in (1011.9 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 23 Apr 10:53 pm EDT
Extended Forecast for

Mount Lebanon PA

  • Tonight

    Tonight: Partly cloudy, with a low around 57. Light southwest wind.

    Low: 57 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers and thunderstorms before 4pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 81. West wind 5 to 9 mph. Chance of precipitation is 20%.

    High: 81 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers after 4am. Low around 60. Southwest wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Chance
    Showers then
    Showers

  • Saturday

    Saturday: Showers before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. High near 68. Southwest wind 7 to 11 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 68 °F

    Showers

  • Saturday Night

    Saturday Night: A chance of showers, mainly before 2am. Mostly cloudy, with a low around 47. Northwest wind 7 to 9 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Showers likely after 2am. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.

    Low: 53 °F

    Partly Cloudy
    then Showers
    Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around 57. Light southwest wind.
Friday
A slight chance of showers and thunderstorms before 4pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 81. West wind 5 to 9 mph. Chance of precipitation is 20%.
Friday Night
A chance of showers and thunderstorms, then showers after 4am. Low around 60. Southwest wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. High near 68. Southwest wind 7 to 11 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers, mainly before 2am. Mostly cloudy, with a low around 47. Northwest wind 7 to 9 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Partly sunny, with a high near 65.
Sunday Night
Partly cloudy, with a low around 45.
Monday
Mostly sunny, with a high near 72.
Monday Night
Showers likely after 2am. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.
Tuesday
Showers. High near 70. Chance of precipitation is 80%.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.
Wednesday
A chance of showers. Partly sunny, with a high near 67. Chance of precipitation is 40%.
Wednesday Night
Mostly cloudy, with a low around 47.
Thursday
A chance of showers. Partly sunny, with a high near 63. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Lebanon PA
 40.37°N 80.05°W (Elev. 1102 ft)
Last Update:
7:59 pm EDT Apr 23, 2026
Forecast Valid:
11pm EDT Apr 23, 2026-6pm EDT Apr 30, 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