S
M
T
W
T
F
S
28
81°
62°
29
92°
76°
30
94°
79°
1
N/A
2
95°
75°
3
86°
72°
4
85°
71°
5
84°
69°
6
80°
66°
7
85°
71°
8
87°
69°
9
86°
68°
10
86°
71°
11
87°
71°
12
89°
69°
13
88°
70°
14
85°
66°
15
80°
64°
16
83°
68°
17
79°
63°
18
80°
68°
19
80°
70°
20
81°
70°
21
85°
69°
22
87°
71°
23
87°
70°
24
84°
70°
25
86°
69°
26
87°
71°
27
88°
71°
28
87°
70°
29
88°
71°
30
87°
70°
31
86°
69°
1
80°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
July Weather in Des Plaines
Des Plaines's July 2026 forecast shows daily high temperatures ranging from 79° to 95°, with overnight lows between 63° and 75°. The average high for July is 85° 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 Des Plaines. See also: August | September | October.
