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.

Light Snow

32°F

0°C

Humidity 82%
Wind Speed N 17 mph
Barometer 30.11 in (1022.5 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 7 Dec 10:53 pm EST
Extended Forecast for

Mount Lebanon PA

  • Overnight

    Overnight: Mostly cloudy, with a low around 19. North wind around 9 mph.

    Low: 19 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 26. Northeast wind 8 to 10 mph.

    High: 26 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 14. Northeast wind around 6 mph becoming light and variable.

    Low: 14 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 36. South wind 6 to 15 mph, with gusts as high as 25 mph.

    High: 36 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A chance of rain after 1am. Cloudy, with a low around 32. Southwest wind 11 to 15 mph, with gusts as high as 32 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 32 °F

    Cloudy then
    Chance Rain

  • Wednesday

    Wednesday: Rain before 4pm, then rain and snow. High near 41. Breezy. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 41 °F

    Breezy. Rain
    then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow, becoming all snow after 10pm. Low around 26. Chance of precipitation is 80%.

    Low: 26 °F

    Rain/Snow
    then Snow

  • Thursday

    Thursday: A chance of snow. Mostly cloudy, with a high near 31. Chance of precipitation is 40%.

    High: 31 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A chance of snow. Mostly cloudy, with a low around 23. Chance of precipitation is 40%.

    Low: 23 °F

    Chance Snow

Detailed Forecast

Overnight
Mostly cloudy, with a low around 19. North wind around 9 mph.
Monday
Mostly cloudy, with a high near 26. Northeast wind 8 to 10 mph.
Monday Night
Partly cloudy, with a low around 14. Northeast wind around 6 mph becoming light and variable.
Tuesday
Mostly cloudy, with a high near 36. South wind 6 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
A chance of rain after 1am. Cloudy, with a low around 32. Southwest wind 11 to 15 mph, with gusts as high as 32 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain before 4pm, then rain and snow. High near 41. Breezy. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain and snow, becoming all snow after 10pm. Low around 26. Chance of precipitation is 80%.
Thursday
A chance of snow. Mostly cloudy, with a high near 31. Chance of precipitation is 40%.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 23. Chance of precipitation is 40%.
Friday
A chance of snow. Mostly cloudy, with a high near 30. Chance of precipitation is 50%.
Friday Night
Snow likely. Cloudy, with a low around 14. Chance of precipitation is 70%.
Saturday
A chance of snow. Mostly cloudy, with a high near 21. Chance of precipitation is 40%.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 12. Chance of precipitation is 30%.
Sunday
Mostly cloudy, with a high near 21.
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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:
12:23 am EST Dec 8, 2025
Forecast Valid:
1am EST Dec 8, 2025-6pm EST Dec 14, 2025
 
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