S
M
T
W
T
F
S
26
90°
68°
27
85°
71°
28
82°
63°
29
81°
60°
30
85°
57°
31
82°
64°
1
70°
65°
2
77°
64°
3
85°
61°
4
87°
62°
5
83°
69°
6
80°
67°
7
87°
65°
8
84°
64°
9
88°
62°
10
90°
71°
11
79°
70°
12
82°
67°
13
77°
65°
14
78°
69°
15
81°
71°
16
87°
71°
17
81°
64°
18
80°
62°
19
83°
68°
20
82°
61°
21
82°
56°
22
82°
63°
23
77°
57°
24
80°
54°
25
81°
54°
26
84°
64°
27
83°
63°
28
82°
60°
29
82°
60°
30
80°
67°
31
94°
71°
1
95°
73°
2
96°
72°
3
94°
74°
4
94°
74°
5
88°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Chicagoland Speedway
Chicagoland Speedway's August 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for August is ° with an average low of °. 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 Chicagoland Speedway. See also: September | October | November.
