S
M
T
W
T
F
S
26
75°
48°
27
64°
57°
28
63°
53°
29
63°
41°
30
63°
37°
1
56°
42°
2
56°
39°
3
64°
39°
4
76°
50°
5
56°
47°
6
60°
39°
7
63°
37°
8
66°
45°
9
75°
50°
10
65°
41°
11
65°
40°
12
69°
52°
13
64°
40°
14
67°
48°
15
72°
53°
16
78°
58°
17
77°
57°
18
77°
56°
19
77°
57°
20
76°
57°
21
79°
60°
22
77°
53°
23
74°
57°
24
78°
58°
25
79°
59°
26
80°
60°
27
80°
60°
28
79°
61°
29
81°
61°
30
77°
57°
31
75°
54°
1
74°
52°
2
74°
60°
3
80°
62°
4
81°
61°
5
78°
61°
6
80°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Carbondale
Carbondale's May 2026 forecast shows daily high temperatures ranging from 64° to 81°, with overnight lows between 40° and 62°. The average high for May is 75° with an average low of 55°. 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 Carbondale. See also: June | July | August.
