S
M
T
W
T
F
S
26
90°
70°
27
91°
71°
28
90°
71°
29
89°
70°
30
90°
71°
31
90°
71°
1
89°
70°
2
89°
70°
3
85°
69°
4
88°
70°
5
88°
70°
6
87°
69°
7
85°
69°
8
85°
66°
9
89°
69°
10
89°
70°
11
88°
69°
12
88°
68°
13
86°
69°
14
89°
65°
15
89°
65°
16
88°
68°
17
87°
67°
18
85°
68°
19
84°
67°
20
84°
64°
21
85°
62°
22
83°
61°
23
83°
62°
24
84°
63°
25
85°
63°
26
87°
66°
27
88°
63°
28
88°
66°
29
87°
67°
30
89°
66°
31
89°
63°
1
87°
62°
2
82°
63°
3
85°
66°
4
86°
62°
5
84°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Cleveland
Cleveland's August 2026 forecast shows daily high temperatures ranging from 82° to 91°, with overnight lows between 61° and 71°. The average high for August is 87° 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 Cleveland. See also: September | October | November.
