S
M
T
W
T
F
S
26
99°
75°
27
98°
73°
28
99°
72°
29
97°
72°
30
98°
74°
31
97°
74°
1
97°
75°
2
98°
72°
3
97°
73°
4
96°
72°
5
97°
73°
6
96°
73°
7
96°
72°
8
95°
72°
9
95°
73°
10
96°
73°
11
97°
74°
12
98°
75°
13
98°
74°
14
99°
73°
15
97°
72°
16
99°
72°
17
98°
73°
18
96°
74°
19
100°
74°
20
96°
72°
21
95°
72°
22
95°
73°
23
96°
72°
24
97°
73°
25
98°
74°
26
98°
74°
27
97°
73°
28
98°
72°
29
96°
72°
30
94°
73°
31
96°
72°
1
92°
73°
2
92°
73°
3
93°
71°
4
92°
71°
5
92°
69°
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 92° to 100°, with overnight lows between 69° and 75°. The average high for August is 96° with an average low of 73°. 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.
