S
M
T
W
T
F
S
29
46°
28°
30
44°
28°
1
44°
29°
2
43°
40°
3
58°
34°
4
59°
27°
5
45°
29°
6
43°
30°
7
48°
33°
8
52°
37°
9
43°
26°
10
50°
38°
11
51°
39°
12
Hist. Avg.
48°
31°
13
Hist. Avg.
47°
31°
14
Hist. Avg.
47°
31°
15
Hist. Avg.
47°
30°
16
Hist. Avg.
46°
30°
17
Hist. Avg.
46°
30°
18
Hist. Avg.
46°
30°
19
Hist. Avg.
46°
29°
20
Hist. Avg.
45°
29°
21
Hist. Avg.
45°
29°
22
Hist. Avg.
45°
28°
23
Hist. Avg.
44°
28°
24
Hist. Avg.
44°
28°
25
Hist. Avg.
44°
28°
26
Hist. Avg.
44°
28°
27
Hist. Avg.
44°
27°
28
Hist. Avg.
44°
27°
29
Hist. Avg.
43°
27°
30
Hist. Avg.
43°
27°
31
Hist. Avg.
43°
27°
1
Hist. Avg.
43°
27°
2
Hist. Avg.
43°
26°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Forest Glen
Forest Glen's December 2026 forecast shows daily high temperatures ranging from 43° to 59°, with overnight lows between 26° and 40°. The average high for December is 48° 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 Forest Glen. See also: January | February | March.
