S
M
T
W
T
F
S
26
86°
66°
27
86°
66°
28
85°
65°
29
85°
65°
30
84°
63°
31
80°
58°
1
79°
63°
2
76°
64°
3
79°
63°
4
83°
64°
5
84°
65°
6
83°
64°
7
78°
60°
8
77°
62°
9
77°
62°
10
79°
63°
11
81°
63°
12
83°
63°
13
84°
64°
14
85°
63°
15
84°
64°
16
86°
57°
17
83°
54°
18
77°
53°
19
75°
52°
20
75°
53°
21
76°
53°
22
76°
54°
23
77°
54°
24
76°
57°
25
79°
60°
26
82°
54°
27
76°
53°
28
75°
52°
29
77°
58°
30
80°
60°
31
81°
52°
1
77°
50°
2
73°
51°
3
74°
55°
4
76°
60°
5
81°
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 86°, with overnight lows between 50° and 66°. The average high for August is 80° with an average low of 59°. 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.
