Mount Lebanon, PA Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Mount Lebanon, PA in one place.
Mostly sunny, with a high near 71. West wind 7 to 13 mph.
Local Weather Overview
This forecast page for Mount Lebanon, PA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Aug 23, 2026 7:53 PM EDT.
The active forecast window currently covers Aug 24 to Aug 29, 2026 for Mount Lebanon, PA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 24 to Aug 29, 2026
- Latest sync
- Aug 23, 2026 7:53 PM EDT
- Forecast office
- PBZ
- Source
- NOAA / NWS
Daily Outlook
This Week in Mount Lebanon
Thursday looks like the warmest upcoming period in Mount Lebanon at 81 degrees F.
Monday Night is the coolest period ahead with temperatures near 56 degrees F.
The strongest winds are forecast for Monday at about 7 to 13 mph W.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 23, 2026 7:53 PM EDT
- Coverage
- 6 days
- Time zone
- America/New_York
- Forecast office
- PBZ
- Radar station
- KPBZ
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 56. West wind 5 to 10 mph.
Mostly sunny, with a high near 76. West wind around 7 mph.
Partly cloudy, with a low around 57.
Mostly sunny, with a high near 79.
Partly cloudy, with a low around 62.
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 40%.
Mostly sunny, with a high near 80.
Partly cloudy, with a low around 61.
Mostly sunny, with a high near 78.
Partly cloudy, with a low around 62.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Aug 24
|
Mostly Sunny
|
71°F |
7 to 13 mph
W
|
|
Monday Night
Aug 24
|
Partly Cloudy
|
56°F |
5 to 10 mph
W
|
|
Tuesday
Aug 25
|
Mostly Sunny
|
76°F |
7 mph
W
|
|
Tuesday Night
Aug 25
|
Partly Cloudy
|
57°F |
0 to 6 mph
NW
|
|
Wednesday
Aug 26
|
Mostly Sunny
|
79°F |
1 to 5 mph
S
|
|
Wednesday Night
Aug 26
|
Partly Cloudy
|
62°F |
3 mph
S
|
|
Thursday
Aug 27
|
Partly Sunny then Chance Showers And Thunderstorms
|
81°F |
3 to 9 mph
SW
|
|
Thursday Night
Aug 27
|
Chance Showers And Thunderstorms
|
64°F |
2 to 8 mph
SW
|
|
Friday
Aug 28
|
Mostly Sunny
|
80°F |
2 to 8 mph
W
|
|
Friday Night
Aug 28
|
Partly Cloudy
|
61°F |
2 to 7 mph
N
|
|
Saturday
Aug 29
|
Mostly Sunny
|
78°F |
5 mph
NW
|
|
Saturday Night
Aug 29
|
Partly Cloudy
|
62°F |
3 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Mount Lebanon.