S
M
T
W
T
F
S
31
77°
54°
1
78°
58°
2
80°
54°
3
75°
59°
4
81°
61°
5
82°
61°
6
82°
62°
7
83°
61°
8
83°
51°
9
75°
50°
10
71°
51°
11
74°
52°
12
75°
60°
13
78°
63°
14
82°
60°
15
80°
57°
16
81°
59°
17
77°
59°
18
79°
60°
19
79°
60°
20
81°
64°
21
84°
66°
22
86°
67°
23
86°
63°
24
87°
57°
25
80°
62°
26
87°
67°
27
87°
66°
28
86°
63°
29
87°
62°
30
80°
59°
1
81°
61°
2
82°
60°
3
78°
59°
4
80°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Chicago Heights
Chicago Heights's June 2026 forecast shows daily high temperatures ranging from 71° to 87°, with overnight lows between 50° and 67°. The average high for June is 81° 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 June weather will actually feel in Chicago Heights. See also: July | August | September.
