S
M
T
W
T
F
S
26
62°
29°
27
63°
29°
28
70°
29°
29
74°
30°
30
77°
44°
1
79°
49°
2
75°
46°
3
76°
50°
4
72°
47°
5
81°
47°
6
85°
47°
7
84°
47°
8
78°
48°
9
78°
47°
10
73°
46°
11
76°
46°
12
77°
47°
13
73°
41°
14
66°
39°
15
67°
42°
16
68°
45°
17
68°
43°
18
67°
44°
19
66°
40°
20
69°
42°
21
69°
41°
22
70°
43°
23
71°
44°
24
75°
45°
25
78°
48°
26
78°
49°
27
77°
48°
28
76°
49°
29
75°
48°
30
71°
49°
31
70°
49°
1
71°
44°
2
74°
48°
3
73°
49°
4
72°
47°
5
72°
50°
6
73°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Copco
Copco's May 2026 forecast shows daily high temperatures ranging from 66° to 85°, with overnight lows between 39° and 50°. The average high for May is 74° with an average low of 46°. 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 Copco. See also: June | July | August.