S
M
T
W
T
F
S
29
37°
20°
30
37°
28°
1
45°
25°
2
46°
25°
3
40°
29°
4
48°
21°
5
50°
21°
6
34°
18°
7
35°
21°
8
36°
17°
9
34°
14°
10
32°
14°
11
29°
15°
12
30°
13°
13
30°
15°
14
31°
14°
15
31°
15°
16
32°
18°
17
34°
19°
18
34°
23°
19
35°
25°
20
35°
24°
21
36°
19°
22
35°
16°
23
30°
16°
24
31°
17°
25
30°
22°
26
34°
21°
27
32°
20°
28
34°
19°
29
34°
17°
30
33°
14°
31
27°
10°
1
25°
14°
2
Hist. Avg.
33°
15°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Concord
Concord's December 2026 forecast shows daily high temperatures ranging from 25° to 50°, with overnight lows between 10° and 29°. The average high for December is 35° with an average low of 19°. 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 Concord. See also: January | February | March.
