S
M
T
W
T
F
S
26
88°
71°
27
88°
71°
28
87°
70°
29
87°
70°
30
85°
67°
31
80°
64°
1
81°
68°
2
78°
68°
3
80°
66°
4
84°
70°
5
86°
70°
6
86°
69°
7
80°
66°
8
79°
67°
9
79°
67°
10
82°
67°
11
83°
69°
12
85°
69°
13
86°
70°
14
87°
69°
15
86°
70°
16
88°
65°
17
86°
61°
18
79°
59°
19
77°
59°
20
77°
60°
21
78°
59°
22
79°
60°
23
78°
60°
24
78°
61°
25
81°
64°
26
83°
61°
27
82°
59°
28
77°
58°
29
78°
62°
30
81°
66°
31
82°
58°
1
82°
58°
2
75°
57°
3
76°
62°
4
78°
66°
5
83°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Schiller Park
Schiller Park's August 2026 forecast shows daily high temperatures ranging from 75° to 88°, with overnight lows between 57° and 71°. The average high for August is 82° with an average low of 65°. 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 Schiller Park. See also: September | October | November.