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