S
M
T
W
T
F
S
31
66°
45°
1
69°
46°
2
70°
51°
3
69°
53°
4
72°
57°
5
65°
52°
6
61°
53°
7
70°
53°
8
69°
55°
9
70°
57°
10
69°
54°
11
70°
55°
12
69°
55°
13
68°
53°
14
67°
54°
15
66°
51°
16
64°
48°
17
65°
50°
18
68°
55°
19
72°
56°
20
72°
57°
21
72°
57°
22
74°
58°
23
68°
53°
24
67°
50°
25
66°
51°
26
68°
58°
27
69°
56°
28
68°
57°
29
69°
57°
30
70°
54°
1
70°
59°
2
73°
60°
3
73°
58°
4
70°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Fort Mackinac
Fort Mackinac's June 2026 forecast shows daily high temperatures ranging from 61° to 74°, with overnight lows between 48° and 60°. The average high for June is 69° with an average low of 55°. 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 Fort Mackinac. See also: July | August | September.
