NimbocastMount Lebanon, PA Weather
Live radar, hourly and 7-day forecast, and National Weather Service alerts for Mount Lebanon, Allegheny County, Pennsylvania.
Updated Jul 29, 2026, 3:56 PM local time · Radar refreshes every 5 minutes
🌤️
Mount Lebanon
76°F
Wind 12 mph
Humidity 54%
Cloud cover 22%
UV index 5
Alerts 0
Active alerts
✓
No active National Weather Service alerts for Mount Lebanon, PA.
Mount Lebanon weather radar
Light
Heavy
Next 24 hours
Now
⛅
74°F
4 PM
☀️
76°F
5 PM
🌤️
78°F
6 PM
☀️
78°F
7 PM
🌤️
77°F
8 PM
☀️
74°F
9 PM
☀️
70°F
10 PM
☀️
68°F
11 PM
☀️
66°F
12 AM
☀️
65°F
1 AM
☀️
63°F
2 AM
☀️
62°F
3 AM
☀️
61°F
4 AM
☀️
60°F
5 AM
☀️
58°F
6 AM
☀️
57°F
7 AM
☀️
57°F
8 AM
☀️
62°F
9 AM
☀️
67°F
10 AM
☀️
70°F
11 AM
☀️
74°F
12 PM
☀️
77°F
1 PM
☀️
79°F
2 PM
☀️
81°F
7-day forecast
Today
Jul 29
☁️
78°F
66°F
1%
Thu
Jul 30
☀️
83°F
57°F
Fri
Jul 31
☁️
85°F
60°F
1%
Sat
Aug 1
🌦️
88°F
66°F
33%
Sun
Aug 2
🌧️
69°F
65°F
53%
Mon
Aug 3
☁️
81°F
61°F
24%
Tue
Aug 4
🌤️
86°F
61°F
18%
Weather near Mount Lebanon
2 mi
Bethel Park, PA2 mi
Upper Saint Clair, PA4 mi
Baldwin, PA7 mi
Pittsburgh, PA10 mi
West Mifflin, PA10 mi
McKeesport, PA11 mi
Wilkinsburg, PA14 mi
Monroeville, PA
Alerts are relayed from the National Weather Service and may lag
the official source. In a life-threatening situation always follow
weather.gov and local emergency
broadcasts.