S
M
T
W
T
F
S
28
80°
59°
29
88°
64°
30
88°
57°
1
81°
56°
2
82°
62°
3
82°
65°
4
87°
58°
5
83°
57°
6
81°
59°
7
81°
57°
8
80°
56°
9
80°
57°
10
82°
57°
11
83°
63°
12
82°
65°
13
82°
65°
14
86°
58°
15
82°
59°
16
82°
61°
17
83°
59°
18
82°
62°
19
86°
59°
20
81°
58°
21
81°
57°
22
82°
58°
23
82°
59°
24
83°
58°
25
84°
62°
26
85°
59°
27
86°
57°
28
81°
58°
29
81°
60°
30
80°
59°
31
79°
57°
1
81°
58°
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 79° to 88°, with overnight lows between 56° and 65°. The average high for July is 83° with an average low of 59°. 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.
