S
M
T
W
T
F
S
26
77°
50°
27
66°
57°
28
62°
53°
29
62°
44°
30
62°
39°
1
58°
41°
2
58°
43°
3
71°
41°
4
73°
55°
5
64°
45°
6
59°
43°
7
64°
39°
8
66°
47°
9
75°
52°
10
68°
48°
11
73°
45°
12
78°
50°
13
71°
51°
14
69°
45°
15
80°
51°
16
73°
64°
17
83°
65°
18
74°
63°
19
75°
57°
20
65°
52°
21
67°
48°
22
65°
56°
23
N/A
24
80°
57°
25
80°
62°
26
80°
66°
27
76°
64°
28
80°
61°
29
77°
60°
30
75°
59°
31
74°
54°
1
75°
58°
2
77°
60°
3
78°
58°
4
79°
60°
5
81°
61°
6
80°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Carlinville
Carlinville's May 2026 forecast shows daily high temperatures ranging from 74° to 81°, with overnight lows between 54° and 66°. The average high for May is 78° with an average low of 60°. 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 Carlinville. See also: June | July | August.