S
M
T
W
T
F
S
29
45°
27°
30
47°
36°
1
51°
40°
2
47°
40°
3
47°
39°
4
51°
41°
5
51°
40°
6
52°
39°
7
53°
35°
8
46°
32°
9
43°
31°
10
46°
31°
11
59°
30°
12
62°
27°
13
61°
24°
14
43°
26°
15
45°
24°
16
46°
25°
17
43°
33°
18
48°
38°
19
56°
38°
20
57°
37°
21
57°
36°
22
56°
40°
23
59°
37°
24
60°
24°
25
59°
21°
26
42°
24°
27
41°
28°
28
47°
36°
29
51°
37°
30
54°
39°
31
57°
40°
1
59°
31°
2
59°
24°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Cedar Grove
Cedar Grove's December 2026 forecast shows daily high temperatures ranging from 41° to 62°, with overnight lows between 21° and 41°. The average high for December is 51° with an average low of 33°. 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 Cedar Grove. See also: January | February | March.
