S
M
T
W
T
F
S
26
69°
48°
27
67°
53°
28
60°
52°
29
61°
43°
30
58°
37°
1
51°
38°
2
52°
36°
3
62°
37°
4
74°
45°
5
57°
45°
6
56°
42°
7
59°
35°
8
64°
51°
9
72°
50°
10
65°
42°
11
63°
41°
12
65°
53°
13
62°
40°
14
65°
46°
15
69°
50°
16
74°
56°
17
78°
58°
18
77°
55°
19
78°
56°
20
77°
58°
21
79°
51°
22
67°
47°
23
69°
49°
24
70°
51°
25
70°
50°
26
71°
49°
27
73°
49°
28
71°
50°
29
75°
55°
30
78°
55°
31
79°
57°
1
78°
58°
2
77°
55°
3
80°
60°
4
81°
61°
5
81°
61°
6
80°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Cicero
Cicero's May 2026 forecast shows daily high temperatures ranging from 62° to 81°, with overnight lows between 40° and 62°. The average high for May is 73° with an average low of 53°. 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 Cicero. See also: June | July | August.
