S
M
T
W
T
F
S
26
64°
34°
27
69°
35°
28
52°
39°
29
40°
34°
30
38°
29°
1
38°
28°
2
43°
25°
3
65°
36°
4
N/A
5
43°
30°
6
43°
30°
7
42°
32°
8
49°
34°
9
53°
34°
10
49°
35°
11
48°
36°
12
52°
41°
13
51°
39°
14
49°
39°
15
49°
40°
16
52°
38°
17
53°
39°
18
52°
50°
19
55°
45°
20
58°
44°
21
57°
36°
22
52°
36°
23
54°
40°
24
53°
37°
25
54°
37°
26
54°
38°
27
53°
38°
28
54°
39°
29
56°
45°
30
58°
44°
31
57°
45°
1
58°
43°
2
59°
50°
3
64°
49°
4
60°
50°
5
65°
51°
6
65°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Munising
Munising's May 2026 forecast shows daily high temperatures ranging from 42° to 65°, with overnight lows between 30° and 51°. The average high for May is 54° with an average low of 40°. 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 Munising. See also: June | July | August.