S
M
T
W
T
F
S
26
100°
66°
27
98°
65°
28
100°
64°
29
100°
63°
30
99°
62°
31
95°
59°
1
95°
62°
2
96°
62°
3
99°
63°
4
100°
65°
5
99°
66°
6
100°
65°
7
99°
65°
8
99°
66°
9
100°
65°
10
100°
64°
11
99°
61°
12
95°
57°
13
94°
56°
14
93°
57°
15
92°
58°
16
94°
60°
17
98°
63°
18
99°
63°
19
99°
62°
20
98°
62°
21
98°
60°
22
97°
61°
23
96°
56°
24
91°
55°
25
92°
54°
26
90°
54°
27
90°
55°
28
90°
55°
29
90°
56°
30
93°
56°
31
95°
59°
1
97°
60°
2
98°
60°
3
97°
59°
4
97°
61°
5
96°
60°
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 90° to 100°, with overnight lows between 54° and 66°. The average high for August is 96° with an average low of 61°. 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.
