S
M
T
W
T
F
S
28
81°
62°
29
79°
58°
30
83°
62°
1
82°
61°
2
83°
62°
3
83°
65°
4
85°
62°
5
84°
63°
6
80°
57°
7
81°
62°
8
82°
61°
9
80°
62°
10
80°
62°
11
82°
61°
12
77°
62°
13
80°
62°
14
81°
61°
15
81°
62°
16
84°
64°
17
85°
63°
18
85°
64°
19
86°
63°
20
81°
62°
21
82°
61°
22
85°
64°
23
86°
64°
24
86°
63°
25
85°
64°
26
82°
63°
27
83°
63°
28
83°
62°
29
85°
64°
30
85°
59°
31
76°
58°
1
76°
59°
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 76° to 86°, with overnight lows between 57° and 65°. The average high for July is 82° with an average low of 62°. 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.
