S
M
T
W
T
F
S
26
87°
72°
27
87°
72°
28
88°
71°
29
88°
72°
30
89°
71°
31
89°
66°
1
87°
68°
2
86°
72°
3
92°
72°
4
88°
70°
5
92°
71°
6
92°
72°
7
91°
72°
8
90°
71°
9
91°
69°
10
87°
66°
11
90°
70°
12
93°
70°
13
90°
69°
14
88°
70°
15
91°
69°
16
92°
70°
17
90°
69°
18
91°
63°
19
89°
62°
20
85°
62°
21
85°
63°
22
86°
63°
23
86°
64°
24
87°
62°
25
87°
62°
26
88°
62°
27
89°
63°
28
89°
62°
29
86°
62°
30
86°
63°
31
88°
62°
1
89°
64°
2
90°
65°
3
86°
66°
4
89°
64°
5
89°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Lebanon
Lebanon's August 2026 forecast shows daily high temperatures ranging from 85° to 93°, with overnight lows between 62° and 72°. The average high for August is 89° with an average low of 67°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Lebanon. See also: September | October | November.
