S
M
T
W
T
F
S
28
85°
65°
29
90°
74°
30
92°
75°
1
92°
75°
2
94°
75°
3
94°
71°
4
87°
68°
5
82°
69°
6
82°
65°
7
86°
65°
8
87°
64°
9
89°
70°
10
84°
66°
11
84°
63°
12
85°
61°
13
89°
66°
14
92°
67°
15
91°
68°
16
89°
70°
17
90°
70°
18
89°
65°
19
84°
64°
20
84°
65°
21
83°
62°
22
81°
62°
23
84°
64°
24
88°
70°
25
88°
69°
26
89°
70°
27
88°
69°
28
87°
69°
29
86°
68°
30
83°
67°
31
80°
67°
1
80°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Grant Park
Grant Park's July 2026 forecast shows daily high temperatures ranging from 80° to 92°, with overnight lows between 61° and 70°. The average high for July is 86° with an average low of 66°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Grant Park. See also: August | September | October.
