S
M
T
W
T
F
S
26
60°
39°
27
65°
41°
28
69°
52°
29
56°
42°
30
55°
40°
1
52°
38°
2
51°
37°
3
66°
37°
4
78°
48°
5
61°
52°
6
54°
42°
7
56°
43°
8
61°
44°
9
67°
46°
10
56°
39°
11
54°
38°
12
59°
48°
13
61°
44°
14
64°
48°
15
69°
49°
16
64°
50°
17
62°
47°
18
64°
48°
19
66°
57°
20
63°
43°
21
62°
44°
22
62°
44°
23
64°
47°
24
65°
47°
25
65°
48°
26
67°
50°
27
66°
46°
28
71°
52°
29
74°
55°
30
76°
56°
31
76°
57°
1
77°
54°
2
70°
56°
3
76°
58°
4
78°
59°
5
78°
59°
6
77°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Mount Clemens
Mount Clemens's May 2026 forecast shows daily high temperatures ranging from 54° to 78°, with overnight lows between 38° and 59°. The average high for May is 66° 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 Mount Clemens. See also: June | July | August.