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
85°
59°
29
86°
64°
30
91°
67°
31
94°
68°
1
95°
70°
2
95°
70°
3
93°
72°
4
92°
67°
5
89°
65°
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 85° to 95°, with overnight lows between 59° and 72°. The average high for August is 91° 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 Cincinnati. See also: September | October | November.
