S
M
T
W
T
F
S
27
75°
44°
28
77°
47°
29
79°
49°
30
84°
52°
1
88°
56°
2
74°
60°
3
71°
48°
4
75°
48°
5
71°
43°
6
72°
39°
7
81°
42°
8
79°
47°
9
80°
45°
10
67°
52°
11
66°
55°
12
84°
52°
13
89°
65°
14
82°
64°
15
77°
61°
16
66°
39°
17
55°
35°
18
64°
46°
19
70°
49°
20
72°
49°
21
73°
48°
22
73°
49°
23
72°
51°
24
68°
51°
25
66°
46°
26
64°
42°
27
65°
36°
28
56°
34°
29
55°
34°
30
58°
39°
31
66°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Cincinnati
Cincinnati's October 2026 forecast shows daily high temperatures ranging from 55° to 89°, with overnight lows between 34° and 65°. The average high for October is 68° with an average low of 46°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how October weather will actually feel in Cincinnati. See also: November | December | January.