S
M
T
W
T
F
S
28
78°
56°
29
78°
53°
30
82°
58°
1
81°
60°
2
77°
56°
3
79°
55°
4
81°
53°
5
82°
56°
6
84°
53°
7
82°
54°
8
80°
56°
9
81°
60°
10
79°
62°
11
83°
62°
12
84°
61°
13
85°
60°
14
83°
56°
15
81°
57°
16
79°
54°
17
81°
54°
18
80°
55°
19
83°
54°
20
83°
57°
21
82°
62°
22
81°
60°
23
78°
58°
24
85°
63°
25
87°
57°
26
84°
51°
27
78°
53°
28
77°
52°
29
77°
56°
30
79°
53°
31
78°
59°
1
81°
62°
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 77° to 87°, with overnight lows between 51° and 63°. The average high for July is 81° with an average low of 57°. 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.
