S
M
T
W
T
F
S
26
52°
38°
27
57°
36°
28
54°
32°
29
56°
32°
30
53°
28°
1
61°
31°
2
68°
27°
3
69°
31°
4
64°
40°
5
63°
35°
6
49°
23°
7
65°
42°
8
72°
44°
9
68°
40°
10
73°
42°
11
76°
47°
12
75°
46°
13
82°
50°
14
83°
51°
15
82°
49°
16
78°
47°
17
71°
40°
18
74°
44°
19
67°
35°
20
70°
39°
21
73°
38°
22
75°
44°
23
75°
43°
24
67°
37°
25
67°
36°
26
72°
40°
27
75°
45°
28
68°
43°
29
69°
42°
30
70°
43°
31
69°
42°
1
70°
39°
2
71°
40°
3
73°
42°
4
70°
42°
5
71°
43°
6
75°
45°
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 49° to 83°, with overnight lows between 23° and 51°. The average high for May is 71° with an average low of 42°. 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.
