S
M
T
W
T
F
S
28
77°
69°
29
81°
69°
30
80°
68°
1
81°
70°
2
80°
66°
3
76°
64°
4
77°
68°
5
78°
69°
6
83°
71°
7
84°
72°
8
85°
72°
9
85°
71°
10
84°
72°
11
85°
72°
12
84°
71°
13
79°
69°
14
82°
71°
15
83°
71°
16
79°
66°
17
77°
64°
18
76°
65°
19
77°
65°
20
77°
66°
21
78°
65°
22
78°
68°
23
82°
71°
24
84°
72°
25
85°
72°
26
84°
71°
27
78°
66°
28
79°
69°
29
81°
71°
30
80°
67°
31
79°
70°
1
80°
66°
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 76° to 85°, with overnight lows between 64° and 72°. The average high for July is 81° with an average low of 69°. 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.
