S
M
T
W
T
F
S
29
46°
38°
30
51°
31°
1
52°
32°
2
43°
29°
3
49°
24°
4
42°
23°
5
36°
21°
6
36°
21°
7
37°
22°
8
40°
25°
9
41°
30°
10
41°
28°
11
40°
24°
12
36°
25°
13
34°
23°
14
35°
19°
15
33°
17°
16
32°
14°
17
29°
21°
18
33°
29°
19
38°
31°
20
45°
25°
21
46°
30°
22
43°
32°
23
47°
32°
24
47°
29°
25
46°
26°
26
42°
27°
27
42°
28°
28
41°
31°
29
44°
32°
30
45°
30°
31
46°
27°
1
45°
26°
2
42°
24°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Franklin Park
Franklin Park's December 2026 forecast shows daily high temperatures ranging from 29° to 52°, with overnight lows between 14° and 38°. The average high for December is 41° 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 Franklin Park. See also: January | February | March.
