S
M
T
W
T
F
S
26
60°
44°
27
68°
51°
28
64°
50°
29
57°
39°
30
56°
38°
1
50°
36°
2
56°
32°
3
67°
45°
4
81°
49°
5
60°
46°
6
58°
42°
7
61°
36°
8
65°
43°
9
76°
49°
10
62°
45°
11
56°
44°
12
74°
44°
13
59°
44°
14
65°
42°
15
76°
55°
16
83°
64°
17
83°
68°
18
80°
71°
19
79°
50°
20
61°
46°
21
59°
49°
22
66°
54°
23
74°
61°
24
77°
60°
25
74°
60°
26
74°
59°
27
77°
63°
28
76°
61°
29
74°
56°
30
79°
62°
31
80°
60°
1
77°
62°
2
79°
61°
3
72°
58°
4
71°
56°
5
74°
62°
6
79°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Calumet Park
Calumet Park's May 2026 forecast shows daily high temperatures ranging from 59° to 83°, with overnight lows between 46° and 71°. The average high for May is 75° with an average low of 59°. 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 Calumet Park. See also: June | July | August.