S
M
T
W
T
F
S
29
44°
27°
30
43°
32°
1
45°
34°
2
45°
32°
3
46°
33°
4
44°
31°
5
46°
31°
6
45°
30°
7
41°
24°
8
40°
27°
9
41°
33°
10
44°
34°
11
52°
28°
12
39°
23°
13
42°
24°
14
Hist. Avg.
45°
28°
15
Hist. Avg.
45°
28°
16
Hist. Avg.
44°
28°
17
Hist. Avg.
44°
28°
18
Hist. Avg.
44°
28°
19
Hist. Avg.
44°
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 Downtown Cincinnati
Downtown Cincinnati's December 2026 forecast shows daily high temperatures ranging from 39° to 52°, with overnight lows between 23° and 34°. The average high for December is 44° with an average low of 30°. 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 Downtown Cincinnati. See also: January | February | March.
