S
M
T
W
T
F
S
31
75°
65°
1
85°
65°
2
84°
63°
3
79°
58°
4
82°
61°
5
86°
63°
6
86°
66°
7
84°
71°
8
82°
70°
9
83°
67°
10
88°
69°
11
90°
71°
12
91°
72°
13
91°
68°
14
89°
72°
15
83°
71°
16
80°
70°
17
81°
69°
18
81°
69°
19
85°
71°
20
84°
69°
21
89°
70°
22
88°
69°
23
86°
71°
24
85°
70°
25
86°
71°
26
86°
71°
27
88°
70°
28
86°
71°
29
86°
69°
30
87°
70°
1
89°
72°
2
86°
72°
3
86°
71°
4
87°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Grant Park
Grant Park's June 2026 forecast shows daily high temperatures ranging from 80° to 91°, with overnight lows between 67° and 72°. The average high for June is 86° with an average low of 70°. 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 Grant Park. See also: July | August | September.
