S
M
T
W
T
F
S
26
82°
58°
27
77°
62°
28
76°
60°
29
75°
58°
30
76°
60°
31
78°
61°
1
78°
62°
2
79°
62°
3
82°
61°
4
82°
61°
5
75°
59°
6
75°
62°
7
82°
61°
8
75°
60°
9
76°
61°
10
75°
59°
11
74°
58°
12
78°
61°
13
80°
60°
14
76°
57°
15
73°
54°
16
74°
60°
17
76°
60°
18
79°
59°
19
76°
60°
20
80°
60°
21
81°
59°
22
73°
56°
23
76°
59°
24
77°
59°
25
80°
57°
26
81°
51°
27
75°
50°
28
71°
49°
29
70°
50°
30
72°
50°
31
73°
57°
1
77°
57°
2
78°
59°
3
77°
54°
4
77°
48°
5
74°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Cass City
Cass City's August 2026 forecast shows daily high temperatures ranging from 70° to 82°, with overnight lows between 48° and 62°. The average high for August is 77° with an average low of 58°. 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 Cass City. See also: September | October | November.