S
M
T
W
T
F
S
26
81°
49°
27
82°
62°
28
70°
57°
29
66°
49°
30
65°
42°
1
63°
43°
2
61°
42°
3
71°
56°
4
80°
59°
5
67°
47°
6
60°
46°
7
66°
46°
8
69°
49°
9
70°
50°
10
71°
53°
11
72°
52°
12
72°
53°
13
75°
57°
14
77°
57°
15
76°
56°
16
89°
66°
17
78°
59°
18
76°
60°
19
79°
59°
20
75°
55°
21
78°
54°
22
72°
52°
23
72°
52°
24
73°
54°
25
71°
53°
26
72°
53°
27
74°
54°
28
75°
57°
29
76°
58°
30
80°
63°
31
79°
64°
1
77°
58°
2
78°
59°
3
78°
61°
4
79°
64°
5
82°
66°
6
82°
66°
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 60° to 89°, with overnight lows between 46° and 66°. The average high for May is 75° with an average low of 56°. 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.
