S
M
T
W
T
F
S
26
87°
71°
27
89°
70°
28
88°
63°
29
82°
64°
30
85°
64°
31
84°
69°
1
83°
71°
2
87°
69°
3
88°
64°
4
85°
60°
5
80°
62°
6
79°
63°
7
77°
67°
8
85°
70°
9
86°
69°
10
87°
70°
11
86°
70°
12
86°
68°
13
87°
69°
14
85°
68°
15
86°
66°
16
84°
66°
17
85°
65°
18
86°
68°
19
82°
68°
20
83°
65°
21
Hist. Avg.
82°
64°
22
Hist. Avg.
81°
64°
23
Hist. Avg.
81°
64°
24
Hist. Avg.
81°
64°
25
Hist. Avg.
81°
63°
26
Hist. Avg.
81°
63°
27
Hist. Avg.
81°
63°
28
Hist. Avg.
80°
63°
29
Hist. Avg.
80°
62°
30
Hist. Avg.
80°
62°
31
Hist. Avg.
80°
62°
1
Hist. Avg.
80°
62°
2
Hist. Avg.
80°
61°
3
Hist. Avg.
79°
61°
4
Hist. Avg.
79°
61°
5
Hist. Avg.
79°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Chicago Executive Airport
Chicago Executive Airport's August 2026 forecast shows daily high temperatures ranging from 77° to 89°, with overnight lows between 60° and 71°. The average high for August is 85° with an average low of 67°. 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 Chicago Executive Airport. See also: September | October | November.
