S
M
T
W
T
F
S
26
82°
63°
27
77°
58°
28
77°
61°
29
80°
63°
30
79°
59°
31
79°
63°
1
80°
58°
2
79°
55°
3
78°
56°
4
76°
55°
5
77°
56°
6
77°
56°
7
79°
57°
8
80°
57°
9
83°
60°
10
81°
61°
11
80°
62°
12
83°
63°
13
83°
63°
14
82°
62°
15
83°
55°
16
81°
55°
17
76°
57°
18
75°
58°
19
75°
54°
20
74°
53°
21
75°
56°
22
78°
56°
23
81°
60°
24
82°
61°
25
81°
54°
26
82°
52°
27
75°
52°
28
74°
53°
29
74°
59°
30
78°
60°
31
81°
60°
1
81°
52°
2
78°
52°
3
79°
58°
4
78°
58°
5
75°
57°
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 83°, with overnight lows between 52° and 63°. The average high for August is 79° with an average low of 58°. 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.
