S
M
T
W
T
F
S
26
84°
62°
27
84°
63°
28
85°
63°
29
85°
62°
30
84°
63°
31
83°
63°
1
84°
62°
2
83°
63°
3
83°
63°
4
84°
62°
5
83°
60°
6
80°
61°
7
83°
63°
8
84°
57°
9
76°
55°
10
76°
55°
11
77°
60°
12
77°
60°
13
78°
61°
14
79°
62°
15
79°
62°
16
81°
61°
17
77°
54°
18
77°
53°
19
78°
59°
20
80°
58°
21
79°
60°
22
82°
57°
23
80°
57°
24
80°
53°
25
74°
53°
26
75°
54°
27
74°
52°
28
73°
51°
29
75°
52°
30
75°
56°
31
80°
58°
1
81°
58°
2
81°
57°
3
80°
51°
4
79°
49°
5
73°
50°
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 73° to 85°, with overnight lows between 49° and 63°. The average high for August is 80° 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.
