S
M
T
W
T
F
S
28
82°
65°
29
93°
77°
30
94°
78°
1
94°
78°
2
95°
75°
3
90°
72°
4
86°
70°
5
83°
66°
6
82°
66°
7
85°
72°
8
86°
71°
9
85°
70°
10
84°
71°
11
86°
72°
12
88°
71°
13
87°
71°
14
87°
70°
15
85°
67°
16
83°
69°
17
79°
65°
18
81°
70°
19
80°
71°
20
81°
71°
21
85°
70°
22
87°
72°
23
88°
71°
24
84°
71°
25
87°
70°
26
87°
72°
27
88°
72°
28
88°
71°
29
89°
71°
30
87°
72°
31
86°
70°
1
81°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Blue Island
Blue Island's July 2026 forecast shows daily high temperatures ranging from 79° to 95°, with overnight lows between 65° and 75°. The average high for July is 85° with an average low of 70°. 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 Blue Island. See also: August | September | October.
