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.

Overcast

35°F

2°C

Humidity 85%
Wind Speed Calm
Barometer 30.06 in (1019.4 mb)
Dewpoint 31°F (-1°C)
Visibility 9.00 mi
Last update 27 Dec 1:53 pm EST
Extended Forecast for

Mount Lebanon PA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 39. Calm wind.

    High: 39 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 32. Light east wind.

    Low: 32 °F

    Mostly Cloudy

  • Sunday

    Sunday: Rain, mainly between noon and 2pm. High near 59. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 59 °F

    Chance Rain
    then Rain

  • Sunday Night

    Sunday Night: Rain, mainly after 1am. Low around 45. Breezy, with a south wind 11 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 45 °F

    Chance Rain
    then Rain and
    Breezy

  • Monday

    Monday: Rain likely before 1pm, then snow likely. Mostly cloudy, with a high near 49. Windy, with a west wind 20 to 26 mph, with gusts as high as 46 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 49 °F

    Rain Likely
    and Breezy
    then
    Rain/Snow
    Likely and
    Windy

  • Monday Night

    Monday Night: Snow showers. Low around 21. Breezy. Chance of precipitation is 80%.

    Low: 21 °F

    Snow Showers
    and Breezy

  • Tuesday

    Tuesday: A chance of snow showers before 1pm. Mostly cloudy, with a high near 27. Breezy. Chance of precipitation is 40%.

    High: 27 °F

    Chance Snow
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of snow showers after 1pm. Mostly cloudy, with a high near 33. Chance of precipitation is 30%.

    High: 33 °F

    Mostly Cloudy
    then Chance
    Snow Showers

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 39. Calm wind.
Tonight
Mostly cloudy, with a low around 32. Light east wind.
Sunday
Rain, mainly between noon and 2pm. High near 59. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Rain, mainly after 1am. Low around 45. Breezy, with a south wind 11 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain likely before 1pm, then snow likely. Mostly cloudy, with a high near 49. Windy, with a west wind 20 to 26 mph, with gusts as high as 46 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday Night
Snow showers. Low around 21. Breezy. Chance of precipitation is 80%.
Tuesday
A chance of snow showers before 1pm. Mostly cloudy, with a high near 27. Breezy. Chance of precipitation is 40%.
Tuesday Night
Mostly cloudy, with a low around 21.
Wednesday
A chance of snow showers after 1pm. Mostly cloudy, with a high near 33. Chance of precipitation is 30%.
Wednesday Night
Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 23. Chance of precipitation is 60%.
New Year's Day
A chance of snow showers. Mostly cloudy, with a high near 30. Chance of precipitation is 50%.
Thursday Night
Mostly cloudy, with a low around 15.
Friday
Mostly sunny, with a high near 27.
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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:
12:21 pm EST Dec 27, 2025
Forecast Valid:
2pm EST Dec 27, 2025-6pm EST Jan 2, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation