S
M
T
W
T
F
S
29
34°
24°
30
35°
26°
1
34°
30°
2
37°
32°
3
39°
32°
4
41°
31°
5
40°
32°
6
44°
32°
7
41°
31°
8
40°
31°
9
37°
30°
10
35°
29°
11
43°
24°
12
39°
24°
13
35°
16°
14
34°
15°
15
30°
18°
16
32°
19°
17
29°
25°
18
35°
27°
19
35°
23°
20
37°
27°
21
36°
26°
22
36°
28°
23
41°
26°
24
43°
21°
25
40°
16°
26
34°
16°
27
29°
21°
28
33°
25°
29
39°
24°
30
39°
28°
31
41°
29°
1
42°
21°
2
44°
15°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Olympia Fields
Olympia Fields's December 2026 forecast shows daily high temperatures ranging from 29° to 44°, with overnight lows between 15° and 32°. The average high for December is 37° with an average low of 25°. 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 Olympia Fields. See also: January | February | March.
