S
M
T
W
T
F
S
28
82°
61°
29
94°
73°
30
96°
79°
1
97°
80°
2
97°
71°
3
89°
68°
4
86°
66°
5
72°
64°
6
80°
65°
7
85°
61°
8
92°
63°
9
83°
69°
10
77°
69°
11
80°
69°
12
82°
72°
13
86°
76°
14
90°
73°
15
90°
71°
16
88°
73°
17
89°
72°
18
89°
72°
19
88°
69°
20
86°
71°
21
85°
70°
22
82°
66°
23
80°
68°
24
87°
72°
25
86°
73°
26
87°
72°
27
87°
72°
28
85°
71°
29
84°
70°
30
82°
70°
31
78°
69°
1
78°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Wilmette
Wilmette's July 2026 forecast shows daily high temperatures ranging from 77° to 90°, with overnight lows between 66° and 76°. The average high for July is 85° with an average low of 71°. 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 Wilmette. See also: August | September | October.
