S
M
T
W
T
F
S
26
52°
27°
27
51°
36°
28
49°
37°
29
44°
28°
30
47°
21°
1
49°
37°
2
52°
35°
3
45°
35°
4
52°
37°
5
49°
35°
6
50°
36°
7
51°
28°
8
46°
32°
9
56°
34°
10
54°
35°
11
47°
33°
12
54°
35°
13
53°
33°
14
55°
31°
15
56°
32°
16
55°
35°
17
56°
34°
18
54°
34°
19
58°
35°
20
71°
43°
21
54°
32°
22
53°
31°
23
55°
31°
24
54°
32°
25
54°
31°
26
55°
31°
27
55°
32°
28
56°
32°
29
55°
33°
30
56°
33°
31
56°
34°
1
57°
34°
2
57°
35°
3
58°
36°
4
59°
35°
5
59°
36°
6
58°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Copperville
Copperville's May 2026 forecast shows daily high temperatures ranging from 46° to 71°, with overnight lows between 28° and 43°. The average high for May is 55° with an average low of 34°. 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 Copperville. See also: June | July | August.