Mount Lebanon, PA Weather Forecast

Local 7-day forecast

71°
F

Mostly Sunny

Track current conditions, temperature changes, wind, and the full daily outlook for Mount Lebanon, PA in one place.

Monday, August 24, 2026
Wind: 7 to 13 mph W
Monday

Mostly sunny, with a high near 71. West wind 7 to 13 mph.

Local 7-day forecast

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
Next High
71°F
Monday
Next Low
56°F
Monday Night
Rain Outlook
2
Periods mentioning precipitation
Windiest
7 to 13 mph
Monday

Daily Outlook

Today
Aug 24
Mostly Sunny
71 °F
/ 56°F
Wind 7 to 13 mph
Tue
Aug 25
Mostly Sunny
76 °F
/ 57°F
Wind 7 mph
Wed
Aug 26
Mostly Sunny
79 °F
/ 62°F
Wind 1 to 5 mph
Thu
Aug 27
Partly Sunny then Chance Showers And Thunderstorms
81 °F
/ 64°F
Wind 3 to 9 mph
Fri
Aug 28
Mostly Sunny
80 °F
/ 61°F
Wind 2 to 8 mph
Sat
Aug 29
Mostly Sunny
78 °F
/ 62°F
Wind 5 mph

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 source

Extended Forecast

Monday Night
Aug 24
56°F
Partly Cloudy
5 to 10 mph W

Partly cloudy, with a low around 56. West wind 5 to 10 mph.

Tuesday
Aug 25
76°F
Mostly Sunny
7 mph W

Mostly sunny, with a high near 76. West wind around 7 mph.

Tuesday Night
Aug 25
57°F
Partly Cloudy
0 to 6 mph NW

Partly cloudy, with a low around 57.

Wednesday
Aug 26
79°F
Mostly Sunny
1 to 5 mph S

Mostly sunny, with a high near 79.

Wednesday Night
Aug 26
62°F
Partly Cloudy
3 mph S

Partly cloudy, with a low around 62.

Thursday
Aug 27
81°F
Partly Sunny then Chance Showers And Thunderstorms
3 to 9 mph SW

A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 40%.

Thursday Night
Aug 27
64°F
Chance Showers And Thunderstorms
2 to 8 mph SW

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%.

Friday
Aug 28
80°F
Mostly Sunny
2 to 8 mph W

Mostly sunny, with a high near 80.

Friday Night
Aug 28
61°F
Partly Cloudy
2 to 7 mph N

Partly cloudy, with a low around 61.

Saturday
Aug 29
78°F
Mostly Sunny
5 mph NW

Mostly sunny, with a high near 78.

Saturday Night
Aug 29
62°F
Partly Cloudy
3 mph NE

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
Washington Road Mt. Lebanon Pennsylvania
Washington Road Mt. Lebanon Pennsylvania image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.