S
M
T
W
T
F
S
26
86°
64°
27
87°
64°
28
86°
65°
29
87°
63°
30
86°
64°
31
86°
63°
1
82°
62°
2
79°
59°
3
79°
62°
4
82°
63°
5
82°
63°
6
84°
62°
7
85°
63°
8
85°
63°
9
84°
64°
10
85°
64°
11
85°
63°
12
84°
64°
13
86°
64°
14
88°
61°
15
87°
62°
16
78°
63°
17
83°
60°
18
83°
60°
19
85°
55°
20
81°
54°
21
77°
53°
22
77°
54°
23
78°
55°
24
78°
53°
25
77°
55°
26
78°
56°
27
78°
54°
28
82°
53°
29
76°
53°
30
75°
54°
31
76°
52°
1
75°
53°
2
76°
52°
3
76°
52°
4
77°
51°
5
77°
51°
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 88°, with overnight lows between 51° and 65°. 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.
