S
M
T
W
T
F
S
26
85°
69°
27
80°
68°
28
79°
65°
29
79°
68°
30
82°
70°
31
85°
70°
1
85°
69°
2
82°
69°
3
86°
68°
4
84°
61°
5
79°
63°
6
81°
62°
7
79°
61°
8
77°
62°
9
77°
61°
10
78°
64°
11
81°
68°
12
84°
68°
13
82°
61°
14
79°
60°
15
78°
61°
16
80°
64°
17
77°
62°
18
78°
60°
19
79°
60°
20
79°
60°
21
80°
64°
22
82°
66°
23
84°
67°
24
85°
67°
25
84°
66°
26
85°
65°
27
83°
63°
28
82°
66°
29
83°
64°
30
79°
58°
31
76°
55°
1
73°
57°
2
74°
56°
3
74°
57°
4
75°
56°
5
72°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Detroit
Detroit's August 2026 forecast shows daily high temperatures ranging from 72° to 86°, with overnight lows between 55° and 70°. The average high for August is 80° with an average low of 63°. 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 Detroit. See also: September | October | November.
