S
M
T
W
T
F
S
26
57°
29°
27
71°
39°
28
58°
39°
29
50°
30°
30
45°
33°
1
43°
31°
2
48°
22°
3
58°
30°
4
65°
35°
5
53°
36°
6
47°
25°
7
49°
22°
8
57°
28°
9
58°
32°
10
49°
35°
11
51°
20°
12
50°
30°
13
52°
39°
14
62°
30°
15
67°
34°
16
71°
46°
17
56°
43°
18
68°
47°
19
71°
44°
20
51°
32°
21
56°
25°
22
61°
36°
23
56°
46°
24
54°
45°
25
68°
54°
26
73°
48°
27
74°
44°
28
69°
44°
29
69°
44°
30
71°
47°
31
67°
50°
1
72°
49°
2
70°
50°
3
69°
51°
4
71°
49°
5
69°
50°
6
67°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Beaver Island
Beaver Island's May 2026 forecast shows daily high temperatures ranging from 54° to 74°, with overnight lows between 44° and 59°. The average high for May is 69° with an average low of 49°. 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 Beaver Island. See also: June | July | August.