S
M
T
W
T
F
S
29
85°
77°
30
86°
76°
1
85°
76°
2
86°
75°
3
85°
75°
4
86°
74°
5
88°
75°
6
87°
74°
7
87°
74°
8
86°
73°
9
86°
74°
10
85°
74°
11
86°
75°
12
86°
74°
13
87°
72°
14
87°
72°
15
86°
71°
16
85°
73°
17
84°
72°
18
85°
73°
19
84°
74°
20
85°
74°
21
86°
73°
22
87°
71°
23
86°
71°
24
84°
72°
25
84°
72°
26
85°
71°
27
85°
73°
28
84°
73°
29
85°
72°
30
85°
73°
31
84°
73°
1
86°
72°
2
84°
73°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in La Grange
La Grange's December 2026 forecast shows daily high temperatures ranging from 84° to 88°, with overnight lows between 71° and 77°. The average high for December is 85° with an average low of 73°. 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 La Grange. See also: January | February | March.
