S
M
T
W
T
F
S
26
88°
64°
27
80°
65°
28
81°
62°
29
83°
57°
30
89°
55°
31
84°
58°
1
72°
63°
2
79°
62°
3
82°
54°
4
85°
55°
5
81°
64°
6
83°
62°
7
86°
63°
8
83°
59°
9
74°
54°
10
84°
63°
11
83°
58°
12
84°
56°
13
83°
58°
14
85°
58°
15
76°
68°
16
79°
59°
17
77°
53°
18
80°
58°
19
79°
57°
20
76°
56°
21
79°
59°
22
75°
58°
23
77°
55°
24
75°
55°
25
74°
54°
26
81°
60°
27
81°
58°
28
74°
55°
29
78°
57°
30
79°
58°
31
80°
58°
1
81°
57°
2
81°
57°
3
80°
56°
4
79°
56°
5
79°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Big Rapids
Big Rapids's August 2026 forecast shows daily high temperatures ranging from 74° to 85°, with overnight lows between 53° and 68°. The average high for August is 79° with an average low of 57°. 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 Big Rapids. See also: September | October | November.