S
M
T
W
T
F
S
26
87°
69°
27
87°
69°
28
88°
71°
29
88°
74°
30
89°
74°
31
92°
73°
1
89°
74°
2
88°
74°
3
88°
73°
4
87°
74°
5
89°
73°
6
87°
72°
7
87°
72°
8
88°
71°
9
88°
74°
10
89°
74°
11
87°
73°
12
87°
72°
13
86°
71°
14
86°
71°
15
87°
73°
16
89°
73°
17
87°
72°
18
86°
71°
19
87°
69°
20
86°
70°
21
91°
67°
22
86°
67°
23
85°
68°
24
86°
72°
25
85°
70°
26
86°
69°
27
90°
70°
28
90°
72°
29
88°
71°
30
87°
70°
31
88°
70°
1
84°
69°
2
84°
72°
3
89°
70°
4
89°
72°
5
88°
72°
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 84° to 92°, with overnight lows between 67° and 74°. The average high for August is 88° with an average low of 71°. 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.
