S
M
T
W
T
F
S
28
76°
63°
29
81°
60°
30
79°
67°
1
79°
68°
2
76°
61°
3
78°
60°
4
77°
65°
5
77°
68°
6
76°
71°
7
80°
68°
8
85°
65°
9
81°
61°
10
77°
62°
11
78°
65°
12
78°
68°
13
76°
67°
14
83°
67°
15
79°
73°
16
84°
73°
17
86°
65°
18
83°
64°
19
78°
61°
20
75°
63°
21
78°
64°
22
78°
64°
23
76°
65°
24
76°
63°
25
79°
62°
26
78°
65°
27
80°
70°
28
77°
71°
29
84°
69°
30
85°
72°
31
86°
65°
1
77°
65°
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 73°. The average high for July is 79° 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.
