S
M
T
W
T
F
S
31
71°
53°
1
72°
57°
2
73°
56°
3
76°
58°
4
79°
59°
5
78°
60°
6
78°
59°
7
79°
56°
8
79°
61°
9
74°
61°
10
77°
62°
11
76°
61°
12
74°
62°
13
78°
63°
14
80°
63°
15
80°
64°
16
82°
64°
17
82°
60°
18
74°
58°
19
76°
63°
20
79°
64°
21
77°
61°
22
76°
60°
23
77°
63°
24
78°
63°
25
83°
66°
26
81°
66°
27
83°
65°
28
86°
68°
29
86°
66°
30
81°
59°
1
77°
59°
2
78°
61°
3
80°
66°
4
79°
64°
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 86°, with overnight lows between 53° and 68°. The average high for June is 78° with an average low of 61°. 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.
