S
M
T
W
T
F
S
26
87°
60°
27
87°
62°
28
77°
65°
29
81°
57°
30
87°
56°
31
89°
60°
1
84°
68°
2
75°
56°
3
82°
54°
4
85°
55°
5
85°
62°
6
80°
64°
7
82°
61°
8
83°
62°
9
86°
63°
10
82°
62°
11
82°
62°
12
79°
58°
13
77°
60°
14
80°
60°
15
79°
59°
16
76°
61°
17
85°
63°
18
84°
64°
19
86°
63°
20
83°
62°
21
83°
62°
22
84°
63°
23
84°
63°
24
81°
62°
25
80°
62°
26
80°
61°
27
81°
61°
28
78°
60°
29
81°
59°
30
79°
60°
31
82°
60°
1
81°
58°
2
76°
56°
3
75°
58°
4
76°
58°
5
81°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Ann Arbor
Ann Arbor's August 2026 forecast shows daily high temperatures ranging from 75° to 86°, with overnight lows between 54° and 64°. The average high for August is 81° with an average low of 60°. 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 Ann Arbor. See also: September | October | November.
