S
M
T
W
T
F
S
28
81°
62°
29
92°
76°
30
94°
79°
1
95°
80°
2
95°
71°
3
88°
70°
4
83°
67°
5
76°
66°
6
80°
67°
7
85°
64°
8
89°
68°
9
87°
72°
10
81°
67°
11
82°
66°
12
87°
67°
13
90°
70°
14
95°
72°
15
97°
72°
16
94°
74°
17
90°
72°
18
89°
64°
19
85°
64°
20
85°
64°
21
82°
62°
22
83°
62°
23
85°
61°
24
86°
63°
25
88°
63°
26
85°
62°
27
85°
66°
28
86°
62°
29
80°
59°
30
78°
59°
31
81°
64°
1
85°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Glendale Heights
Glendale Heights's July 2026 forecast shows daily high temperatures ranging from 78° to 97°, with overnight lows between 59° and 74°. The average high for July is 86° with an average low of 65°. 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 Glendale Heights. See also: August | September | October.
