S
M
T
W
T
F
S
28
87°
65°
29
90°
66°
30
94°
68°
1
92°
67°
2
95°
69°
3
89°
69°
4
90°
66°
5
87°
68°
6
87°
68°
7
88°
67°
8
83°
65°
9
83°
69°
10
90°
70°
11
90°
69°
12
89°
70°
13
89°
70°
14
88°
69°
15
87°
70°
16
86°
70°
17
87°
69°
18
90°
71°
19
91°
71°
20
91°
70°
21
90°
71°
22
89°
70°
23
90°
71°
24
91°
72°
25
90°
71°
26
89°
71°
27
90°
70°
28
90°
72°
29
91°
72°
30
90°
71°
31
89°
70°
1
85°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in McHenry
McHenry's July 2026 forecast shows daily high temperatures ranging from 83° to 95°, with overnight lows between 65° and 72°. The average high for July is 89° 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 McHenry. See also: August | September | October.
