S
M
T
W
T
F
S
26
85°
70°
27
78°
64°
28
79°
66°
29
82°
68°
30
81°
64°
31
81°
67°
1
81°
63°
2
80°
61°
3
79°
62°
4
77°
60°
5
78°
61°
6
78°
61°
7
79°
62°
8
80°
62°
9
82°
66°
10
78°
66°
11
80°
68°
12
83°
68°
13
83°
69°
14
82°
64°
15
83°
60°
16
81°
62°
17
77°
66°
18
76°
61°
19
76°
59°
20
75°
59°
21
76°
61°
22
78°
62°
23
81°
65°
24
82°
66°
25
81°
58°
26
82°
57°
27
74°
58°
28
75°
57°
29
75°
64°
30
79°
65°
31
81°
64°
1
81°
57°
2
77°
57°
3
80°
62°
4
75°
62°
5
75°
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 74° to 85°, with overnight lows between 57° and 70°. The average high for August is 79° 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.
