S
M
T
W
T
F
S
29
44°
31°
30
44°
31°
1
43°
30°
2
42°
30°
3
40°
29°
4
43°
29°
5
41°
28°
6
37°
28°
7
34°
22°
8
31°
20°
9
32°
24°
10
38°
27°
11
38°
27°
12
39°
26°
13
37°
27°
14
28°
23°
15
31°
22°
16
34°
24°
17
35°
25°
18
34°
23°
19
35°
20°
20
32°
13°
21
31°
16°
22
25°
19°
23
33°
22°
24
32°
20°
25
34°
14°
26
31°
14°
27
25°
15°
28
27°
12°
29
29°
15°
30
25°
19°
31
28°
13°
1
32°
8°
2
23°
7°
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 23° to 44°, with overnight lows between 7° and 31°. The average high for December is 34° with an average low of 22°. 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.
