| National Weather Service Forecast for:
Mount Lebanon PA Issued by: National Weather Service Pittsburgh, PA |
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| Updated: 11:28 pm EST Dec 17, 2025 | ||||||||||||||||||
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| Overnight |
Partly cloudy, with a low around 27. Southeast wind around 6 mph. |
| Thursday |
Increasing clouds, with a high near 54. South wind 6 to 13 mph. |
| Thursday Night |
Rain before 4am, then a chance of snow between 4am and 5am, then a chance of rain after 5am. Low around 26. South wind 14 to 17 mph becoming southwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible. |
| Friday |
Rain likely before 8am, then snow likely between 8am and 1pm. Mostly cloudy, with a high near 39. Breezy, with a west wind 17 to 24 mph, with gusts as high as 36 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible. |
| Friday Night |
Mostly cloudy, with a low around 21. West wind 7 to 15 mph, with gusts as high as 26 mph. |
| Saturday |
Mostly cloudy, with a high near 45. |
| Saturday Night |
Mostly cloudy, with a low around 28. |
| Sunday |
Mostly sunny, with a high near 35. |
| Sunday Night |
Partly cloudy, with a low around 19. |
| Monday |
Partly sunny, with a high near 33. |
| Monday Night |
Mostly cloudy, with a low around 27. |
| Tuesday |
Cloudy, with a high near 42. |
| Tuesday Night |
Mostly cloudy, with a low around 34. |
| Wednesday |
Mostly cloudy, with a high near 43. |
Forecast from NOAA-NWS for Mount Lebanon PA.
