S
M
T
W
T
F
S
26
85°
68°
27
85°
61°
28
84°
62°
29
85°
65°
30
86°
64°
31
88°
64°
1
87°
62°
2
85°
62°
3
85°
63°
4
83°
61°
5
84°
62°
6
84°
63°
7
85°
64°
8
84°
65°
9
84°
67°
10
85°
68°
11
84°
64°
12
85°
64°
13
90°
66°
14
90°
61°
15
84°
60°
16
84°
62°
17
86°
64°
18
89°
61°
19
84°
62°
20
83°
59°
21
84°
60°
22
84°
64°
23
83°
61°
24
82°
60°
25
82°
66°
26
85°
66°
27
88°
65°
28
89°
66°
29
90°
60°
30
89°
58°
31
82°
59°
1
84°
61°
2
86°
64°
3
87°
63°
4
84°
63°
5
85°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in La Grange
La Grange's August 2026 forecast shows daily high temperatures ranging from 82° to 90°, with overnight lows between 58° and 68°. The average high for August is 85° with an average low of 63°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in La Grange. See also: September | October | November.
