S
M
T
W
T
F
S
26
87°
67°
27
88°
68°
28
77°
64°
29
80°
58°
30
89°
58°
31
88°
64°
1
74°
68°
2
78°
61°
3
80°
56°
4
87°
57°
5
85°
62°
6
81°
68°
7
86°
66°
8
87°
64°
9
81°
56°
10
86°
64°
11
84°
63°
12
87°
62°
13
83°
60°
14
83°
61°
15
83°
55°
16
89°
69°
17
79°
62°
18
84°
58°
19
79°
51°
20
80°
54°
21
82°
60°
22
76°
54°
23
74°
52°
24
75°
53°
25
76°
56°
26
76°
57°
27
73°
56°
28
78°
58°
29
77°
55°
30
78°
56°
31
77°
57°
1
76°
54°
2
71°
59°
3
72°
56°
4
71°
58°
5
73°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Frankenmuth
Frankenmuth's August 2026 forecast shows daily high temperatures ranging from 71° to 82°, with overnight lows between 51° and 60°. The average high for August is 76° with an average low of 56°. 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 Frankenmuth. See also: September | October | November.