S
M
T
W
T
F
S
28
76°
60°
29
76°
61°
30
77°
63°
1
77°
62°
2
76°
60°
3
76°
62°
4
77°
60°
5
75°
60°
6
76°
62°
7
77°
64°
8
77°
68°
9
79°
68°
10
77°
66°
11
78°
67°
12
83°
70°
13
83°
70°
14
80°
70°
15
81°
71°
16
81°
70°
17
83°
72°
18
85°
72°
19
85°
71°
20
86°
72°
21
86°
72°
22
86°
71°
23
82°
71°
24
82°
64°
25
84°
63°
26
77°
64°
27
75°
63°
28
77°
64°
29
78°
68°
30
78°
71°
31
79°
68°
1
78°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Chicago
Chicago's July 2026 forecast shows daily high temperatures ranging from 75° to 86°, with overnight lows between 60° and 72°. The average high for July is 80° 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 Chicago. See also: August | September | October.
