S
M
T
W
T
F
S
29
53°
39°
30
56°
39°
1
53°
35°
2
48°
35°
3
52°
38°
4
57°
43°
5
57°
41°
6
58°
39°
7
47°
39°
8
49°
30°
9
44°
27°
10
42°
27°
11
42°
29°
12
43°
29°
13
43°
30°
14
44°
32°
15
52°
40°
16
56°
40°
17
56°
38°
18
47°
36°
19
52°
38°
20
48°
31°
21
45°
27°
22
42°
29°
23
44°
32°
24
47°
26°
25
41°
22°
26
38°
18°
27
36°
33°
28
44°
26°
29
45°
29°
30
51°
21°
31
51°
21°
1
35°
25°
2
40°
21°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Capitol Grounds
Capitol Grounds's December 2026 forecast shows daily high temperatures ranging from 35° to 58°, with overnight lows between 18° and 43°. The average high for December is 47° 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 Capitol Grounds. See also: January | February | March.
