S
M
T
W
T
F
S
29
54°
41°
30
57°
41°
1
57°
36°
2
59°
31°
3
54°
27°
4
45°
28°
5
49°
33°
6
53°
36°
7
54°
35°
8
51°
34°
9
51°
34°
10
46°
33°
11
47°
28°
12
50°
28°
13
44°
33°
14
50°
32°
15
48°
35°
16
50°
25°
17
49°
23°
18
38°
23°
19
37°
28°
20
Hist. Avg.
43°
27°
21
Hist. Avg.
43°
27°
22
Hist. Avg.
43°
27°
23
Hist. Avg.
43°
27°
24
Hist. Avg.
42°
27°
25
Hist. Avg.
42°
27°
26
Hist. Avg.
42°
26°
27
Hist. Avg.
42°
26°
28
Hist. Avg.
42°
26°
29
Hist. Avg.
42°
26°
30
Hist. Avg.
41°
26°
31
Hist. Avg.
41°
26°
1
Hist. Avg.
41°
26°
2
Hist. Avg.
41°
25°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Cincinnati
Cincinnati's December 2026 forecast shows daily high temperatures ranging from 37° to 59°, with overnight lows between 23° and 41°. The average high for December is 50° with an average low of 32°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how December weather will actually feel in Cincinnati. See also: January | February | March.
