S
M
T
W
T
F
S
31
81°
55°
1
78°
55°
2
80°
51°
3
84°
50°
4
87°
57°
5
83°
69°
6
91°
68°
7
87°
69°
8
80°
70°
9
89°
71°
10
91°
65°
11
82°
65°
12
80°
61°
13
81°
63°
14
71°
58°
15
76°
52°
16
78°
57°
17
72°
52°
18
73°
59°
19
77°
55°
20
77°
61°
21
69°
56°
22
74°
55°
23
76°
53°
24
78°
56°
25
81°
62°
26
68°
60°
27
80°
63°
28
85°
65°
29
90°
74°
30
92°
75°
1
99°
73°
2
94°
72°
3
87°
71°
4
89°
70°
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 87° to 99°, with overnight lows between 70° and 73°. The average high for June is 92° with an average low of 72°. 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.
