National Weather Service Forecast for: Mount Lebanon PA
Issued by: National Weather Service Pittsburgh, PA
Updated: 4:49 am EST Feb 2, 2026
 
Today

Today: A chance of flurries before 9am, then a chance of flurries after 4pm.  Mostly sunny, with a high near 26. Wind chill values as low as -10. Southwest wind 3 to 7 mph.
Chance
Flurries
Tonight

Tonight: A chance of flurries before 10pm.  Mostly cloudy, with a low around 20. Southwest wind around 6 mph.
Chance
Flurries
Tuesday

Tuesday: A chance of snow, mainly after 1pm.  Mostly cloudy, with a high near 32. Southwest wind around 7 mph.  Chance of precipitation is 40%. Little or no snow accumulation expected.
Chance Snow

Tuesday
Night
Tuesday Night: A slight chance of snow before 1am.  Mostly cloudy, with a low around 9. Calm wind becoming northwest around 5 mph after midnight.  Chance of precipitation is 20%.
Slight Chance
Snow
Wednesday

Wednesday: Partly sunny, with a high near 24. North wind 3 to 7 mph.
Partly Sunny

Wednesday
Night
Wednesday Night: Mostly cloudy, with a low around 6.
Mostly Cloudy

Thursday

Thursday: Partly sunny, with a high near 23.
Partly Sunny

Thursday
Night
Thursday Night: A chance of snow after 1am.  Mostly cloudy, with a low around 14. Chance of precipitation is 40%.
Mostly Cloudy
then Chance
Snow
Friday

Friday: Snow.  High near 32. Chance of precipitation is 90%.
Snow

Hi 26 °F Lo 20 °F Hi 32 °F Lo 9 °F Hi 24 °F Lo 6 °F Hi 23 °F Lo 14 °F Hi 32 °F

 

Today
 
A chance of flurries before 9am, then a chance of flurries after 4pm. Mostly sunny, with a high near 26. Wind chill values as low as -10. Southwest wind 3 to 7 mph.
Tonight
 
A chance of flurries before 10pm. Mostly cloudy, with a low around 20. Southwest wind around 6 mph.
Tuesday
 
A chance of snow, mainly after 1pm. Mostly cloudy, with a high near 32. Southwest wind around 7 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Tuesday Night
 
A slight chance of snow before 1am. Mostly cloudy, with a low around 9. Calm wind becoming northwest around 5 mph after midnight. Chance of precipitation is 20%.
Wednesday
 
Partly sunny, with a high near 24. North wind 3 to 7 mph.
Wednesday Night
 
Mostly cloudy, with a low around 6.
Thursday
 
Partly sunny, with a high near 23.
Thursday Night
 
A chance of snow after 1am. Mostly cloudy, with a low around 14. Chance of precipitation is 40%.
Friday
 
Snow. High near 32. Chance of precipitation is 90%.
Friday Night
 
A chance of snow before 1am. Mostly cloudy, with a low around 5. Chance of precipitation is 40%.
Saturday
 
Partly sunny, with a high near 16.
Saturday Night
 
Mostly cloudy, with a low around 3.
Sunday
 
Mostly cloudy, with a high near 20.

 

Forecast from NOAA-NWS for Mount Lebanon PA.