S
M
T
W
T
F
S
26
55°
33°
27
59°
34°
28
59°
33°
29
55°
34°
30
55°
38°
1
56°
36°
2
56°
41°
3
57°
38°
4
56°
38°
5
56°
35°
6
57°
36°
7
64°
40°
8
62°
42°
9
57°
38°
10
57°
36°
11
58°
35°
12
62°
38°
13
58°
36°
14
58°
39°
15
57°
38°
16
58°
36°
17
62°
41°
18
59°
44°
19
60°
40°
20
59°
37°
21
60°
45°
22
69°
43°
23
69°
37°
24
61°
41°
25
60°
47°
26
59°
38°
27
67°
44°
28
68°
37°
29
60°
47°
30
69°
48°
31
72°
38°
1
62°
36°
2
65°
45°
3
65°
40°
4
62°
42°
5
62°
38°
6
63°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Grand Rapids
Grand Rapids's May 2026 forecast shows daily high temperatures ranging from 55° to 72°, with overnight lows between 33° and 48°. The average high for May is 61° with an average low of 39°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Grand Rapids. See also: June | July | August.
