S
M
T
W
T
F
S
26
58°
36°
27
73°
47°
28
59°
44°
29
48°
36°
30
45°
36°
1
44°
28°
2
50°
26°
3
56°
42°
4
67°
34°
5
52°
39°
6
49°
33°
7
48°
28°
8
57°
32°
9
58°
34°
10
54°
28°
11
48°
27°
12
62°
31°
13
53°
39°
14
64°
31°
15
67°
37°
16
71°
48°
17
57°
45°
18
66°
45°
19
64°
47°
20
54°
41°
21
64°
40°
22
68°
50°
23
68°
53°
24
68°
47°
25
79°
54°
26
73°
51°
27
78°
52°
28
73°
51°
29
74°
50°
30
74°
54°
31
77°
52°
1
74°
53°
2
73°
52°
3
77°
48°
4
74°
55°
5
75°
49°
6
67°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Copemish
Copemish's May 2026 forecast shows daily high temperatures ranging from 64° to 79°, with overnight lows between 40° and 55°. The average high for May is 73° with an average low of 51°. 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 Copemish. See also: June | July | August.