S
M
T
W
T
F
S
31
75°
55°
1
73°
54°
2
74°
50°
3
82°
62°
4
86°
69°
5
83°
66°
6
79°
62°
7
80°
66°
8
80°
64°
9
84°
66°
10
82°
62°
11
83°
65°
12
85°
66°
13
85°
63°
14
84°
63°
15
82°
62°
16
79°
58°
17
81°
63°
18
82°
62°
19
82°
62°
20
81°
63°
21
78°
55°
22
74°
55°
23
77°
64°
24
84°
66°
25
85°
60°
26
78°
59°
27
76°
61°
28
77°
64°
29
80°
65°
30
81°
65°
1
80°
64°
2
81°
65°
3
84°
66°
4
85°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Oak Brook
Oak Brook's June 2026 forecast shows daily high temperatures ranging from 74° to 86°, with overnight lows between 55° and 69°. The average high for June is 81° with an average low of 63°. 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 Oak Brook. See also: July | August | September.
