S
M
T
W
T
F
S
26
42°
25°
27
43°
24°
28
34°
30°
29
39°
29°
30
48°
26°
1
47°
19°
2
59°
29°
3
61°
30°
4
35°
26°
5
41°
24°
6
37°
24°
7
50°
23°
8
54°
25°
9
48°
33°
10
54°
32°
11
60°
30°
12
68°
33°
13
66°
29°
14
56°
38°
15
50°
30°
16
35°
24°
17
40°
21°
18
42°
25°
19
51°
21°
20
59°
31°
21
51°
27°
22
51°
32°
23
61°
32°
24
75°
29°
25
76°
41°
26
56°
34°
27
54°
31°
28
99°
35°
29
96°
53°
30
67°
51°
31
71°
52°
1
73°
52°
2
74°
49°
3
56°
39°
4
56°
40°
5
66°
47°
6
70°
52°
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 56° to 74°, with overnight lows between 39° and 52°. The average high for May is 67° with an average low of 48°. 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.
