S
M
T
W
T
F
S
29
70°
39°
30
88°
41°
31
70°
45°
1
50°
39°
2
55°
39°
3
52°
39°
4
45°
37°
5
59°
34°
6
50°
37°
7
43°
34°
8
75°
43°
9
54°
39°
10
54°
37°
11
59°
39°
12
72°
61°
13
82°
61°
14
88°
63°
15
77°
57°
16
82°
48°
17
82°
43°
18
52°
34°
19
56°
31°
20
67°
53°
21
83°
51°
22
81°
61°
23
72°
46°
24
63°
40°
25
64°
40°
26
62°
44°
27
58°
43°
28
58°
41°
29
60°
39°
30
60°
40°
1
62°
41°
2
70°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Carbondale
Carbondale's April 2026 forecast shows daily high temperatures ranging from 56° to 83°, with overnight lows between 31° and 61°. The average high for April is 65° with an average low of 44°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how April weather will actually feel in Carbondale. See also: May | June | July.