S
M
T
W
T
F
S
26
83°
63°
27
81°
62°
28
86°
64°
29
86°
64°
30
84°
63°
31
83°
64°
1
85°
63°
2
83°
64°
3
86°
64°
4
85°
63°
5
82°
63°
6
84°
64°
7
86°
61°
8
78°
57°
9
77°
56°
10
77°
58°
11
78°
63°
12
79°
63°
13
83°
64°
14
85°
64°
15
84°
62°
16
77°
59°
17
77°
53°
18
78°
55°
19
80°
62°
20
83°
60°
21
84°
61°
22
83°
60°
23
81°
54°
24
77°
54°
25
77°
55°
26
76°
54°
27
77°
53°
28
77°
53°
29
78°
54°
30
82°
54°
31
83°
59°
1
83°
59°
2
80°
53°
3
80°
49°
4
74°
49°
5
74°
53°
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 74° to 86°, with overnight lows between 49° and 64°. The average high for August is 81° 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 Ann Arbor. See also: September | October | November.
