S
M
T
W
T
F
S
26
82°
58°
27
81°
57°
28
80°
61°
29
78°
56°
30
78°
57°
31
83°
62°
1
78°
59°
2
79°
61°
3
78°
62°
4
83°
62°
5
79°
58°
6
78°
61°
7
78°
56°
8
77°
58°
9
77°
61°
10
78°
57°
11
77°
55°
12
77°
57°
13
81°
63°
14
82°
63°
15
81°
61°
16
77°
58°
17
77°
61°
18
78°
61°
19
76°
60°
20
76°
56°
21
77°
61°
22
77°
61°
23
76°
60°
24
76°
61°
25
77°
60°
26
78°
61°
27
76°
61°
28
79°
58°
29
77°
55°
30
78°
56°
31
80°
57°
1
82°
56°
2
81°
58°
3
82°
59°
4
81°
55°
5
80°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Michigan International Speedway
Michigan International Speedway's August 2026 forecast shows daily high temperatures ranging from 76° to 83°, with overnight lows between 49° and 63°. The average high for August is 79° with an average low of 59°. 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 Michigan International Speedway. See also: September | October | November.
