S
M
T
W
T
F
S
26
81°
60°
27
82°
60°
28
84°
58°
29
82°
59°
30
83°
60°
31
84°
59°
1
83°
60°
2
81°
60°
3
83°
59°
4
85°
60°
5
85°
57°
6
83°
58°
7
83°
52°
8
79°
51°
9
73°
52°
10
74°
52°
11
79°
53°
12
80°
53°
13
80°
56°
14
79°
58°
15
76°
59°
16
80°
58°
17
81°
53°
18
75°
57°
19
73°
60°
20
82°
59°
21
84°
58°
22
75°
54°
23
78°
53°
24
Hist. Avg.
73°
47°
25
Hist. Avg.
73°
47°
26
Hist. Avg.
72°
47°
27
Hist. Avg.
72°
46°
28
Hist. Avg.
72°
46°
29
Hist. Avg.
71°
46°
30
Hist. Avg.
71°
45°
31
Hist. Avg.
71°
45°
1
Hist. Avg.
71°
45°
2
Hist. Avg.
70°
45°
3
Hist. Avg.
70°
44°
4
Hist. Avg.
70°
44°
5
Hist. Avg.
69°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Grand Rapids
Grand Rapids's August 2026 forecast shows daily high temperatures ranging from 73° to 85°, with overnight lows between 51° and 60°. The average high for August is 80° 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 Grand Rapids. See also: September | October | November.
