S
M
T
W
T
F
S
26
81°
67°
27
87°
66°
28
87°
69°
29
82°
64°
30
85°
58°
31
85°
63°
1
84°
68°
2
78°
68°
3
83°
61°
4
85°
58°
5
88°
65°
6
88°
68°
7
85°
70°
8
90°
69°
9
90°
70°
10
92°
71°
11
85°
67°
12
70°
68°
13
88°
67°
14
87°
71°
15
87°
70°
16
92°
73°
17
87°
72°
18
84°
66°
19
80°
64°
20
83°
67°
21
86°
65°
22
85°
64°
23
81°
59°
24
80°
56°
25
82°
55°
26
86°
58°
27
87°
63°
28
86°
63°
29
87°
60°
30
92°
68°
31
94°
69°
1
97°
70°
2
97°
70°
3
96°
70°
4
93°
70°
5
86°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Cincinnati
Cincinnati's August 2026 forecast shows daily high temperatures ranging from 86° to 97°, with overnight lows between 67° and 70°. The average high for August is 94° with an average low of 69°. 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 Cincinnati. See also: September | October | November.
