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

58°F

14°C

Humidity 48%
Wind Speed SE 5 mph
Barometer 30.35 in (1028.3 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 1 Nov 8:53 pm EST
Extended Forecast for

Mount Lebanon PA

  • Tonight

    Tonight: Increasing clouds, with a low around 51. Calm wind becoming south around 5 mph after midnight.

    Low: 51 °F

    Increasing
    Clouds

  • Monday

    Monday: Partly sunny, with a high near 68. South wind 3 to 5 mph.

    High: 68 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 51. South wind 3 to 5 mph.

    Low: 51 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny through mid morning, then becoming partly sunny, with a high near 73. South wind around 6 mph.

    High: 73 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 53. South wind 5 to 7 mph.

    Low: 53 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of rain after 1pm. Mostly sunny, with a high near 74. Chance of precipitation is 20%.

    High: 74 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain. Low around 60. Chance of precipitation is 80%.

    Low: 60 °F

    Rain

  • Thursday

    Thursday: Rain likely, mainly before 1pm. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.

    High: 70 °F

    Rain Likely

  • Thursday Night

    Thursday Night: A chance of rain. Mostly cloudy, with a low around 54. Chance of precipitation is 40%.

    Low: 54 °F

    Chance Rain

Detailed Forecast

Tonight
Increasing clouds, with a low around 51. Calm wind becoming south around 5 mph after midnight.
Monday
Partly sunny, with a high near 68. South wind 3 to 5 mph.
Monday Night
Partly cloudy, with a low around 51. South wind 3 to 5 mph.
Tuesday
Sunny through mid morning, then becoming partly sunny, with a high near 73. South wind around 6 mph.
Tuesday Night
Mostly clear, with a low around 53. South wind 5 to 7 mph.
Wednesday
A slight chance of rain after 1pm. Mostly sunny, with a high near 74. Chance of precipitation is 20%.
Wednesday Night
Rain. Low around 60. Chance of precipitation is 80%.
Thursday
Rain likely, mainly before 1pm. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 54. Chance of precipitation is 40%.
Friday
A chance of rain. Partly sunny, with a high near 63. Chance of precipitation is 40%.
Friday Night
Mostly cloudy, with a low around 48.
Saturday
Mostly cloudy, with a high near 58.
Saturday Night
Mostly cloudy, with a low around 43.
Sunday
Partly sunny, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount Lebanon PA
 40.37°N 80.05°W (Elev. 1102 ft)
Last Update:
9:22 pm EST Nov 1, 2026
Forecast Valid:
9pm EST Nov 1, 2026-6pm EST Nov 8, 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