S
M
T
W
T
F
S
26
82°
56°
27
85°
55°
28
60°
49°
29
63°
43°
30
66°
40°
1
65°
43°
2
64°
41°
3
80°
44°
4
81°
63°
5
65°
46°
6
62°
43°
7
68°
41°
8
78°
54°
9
81°
52°
10
70°
44°
11
78°
41°
12
79°
51°
13
78°
51°
14
79°
50°
15
86°
66°
16
87°
71°
17
85°
70°
18
88°
75°
19
77°
55°
20
60°
57°
21
67°
61°
22
76°
62°
23
79°
61°
24
79°
62°
25
79°
62°
26
78°
65°
27
80°
66°
28
80°
64°
29
83°
65°
30
85°
66°
31
84°
68°
1
82°
67°
2
88°
69°
3
81°
66°
4
80°
66°
5
83°
66°
6
81°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Carterville
Carterville's May 2026 forecast shows daily high temperatures ranging from 60° to 88°, with overnight lows between 57° and 69°. The average high for May is 79° with an average low of 64°. 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 Carterville. See also: June | July | August.
