S
M
T
W
T
F
S
29
59°
39°
30
61°
32°
1
49°
26°
2
45°
26°
3
53°
37°
4
55°
35°
5
49°
33°
6
47°
29°
7
45°
24°
8
42°
23°
9
44°
26°
10
45°
31°
11
49°
27°
12
56°
32°
13
51°
31°
14
49°
28°
15
48°
28°
16
47°
27°
17
45°
21°
18
41°
18°
19
40°
15°
20
38°
19°
21
41°
27°
22
48°
25°
23
42°
21°
24
40°
19°
25
41°
25°
26
44°
27°
27
43°
25°
28
43°
23°
29
42°
23°
30
42°
22°
31
43°
18°
1
38°
19°
2
40°
27°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Glencoe
Glencoe's December 2026 forecast shows daily high temperatures ranging from 38° to 61°, with overnight lows between 15° and 39°. The average high for December is 46° with an average low of 26°. 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 Glencoe. See also: January | February | March.
