S
M
T
W
T
F
S
31
66°
45°
1
69°
46°
2
72°
48°
3
71°
49°
4
75°
52°
5
72°
58°
6
65°
49°
7
65°
52°
8
62°
57°
9
59°
54°
10
68°
60°
11
75°
62°
12
70°
57°
13
69°
53°
14
67°
52°
15
66°
54°
16
65°
52°
17
65°
53°
18
66°
54°
19
67°
52°
20
67°
56°
21
68°
57°
22
67°
57°
23
69°
56°
24
73°
56°
25
68°
55°
26
67°
58°
27
71°
57°
28
68°
54°
29
68°
59°
30
70°
59°
1
70°
58°
2
69°
59°
3
70°
59°
4
70°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Mackinac Island
Mackinac Island's June 2026 forecast shows daily high temperatures ranging from 59° to 75°, with overnight lows between 49° and 62°. The average high for June is 68° with an average low of 56°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Mackinac Island. See also: July | August | September.
