S
M
T
W
T
F
S
28
80°
61°
29
85°
55°
30
79°
56°
1
80°
60°
2
83°
63°
3
83°
63°
4
86°
62°
5
87°
64°
6
87°
60°
7
86°
58°
8
86°
58°
9
87°
61°
10
86°
59°
11
87°
64°
12
87°
63°
13
86°
57°
14
81°
58°
15
82°
58°
16
81°
57°
17
83°
64°
18
85°
61°
19
86°
58°
20
87°
57°
21
84°
58°
22
81°
58°
23
81°
57°
24
82°
61°
25
82°
65°
26
86°
64°
27
85°
64°
28
83°
63°
29
88°
65°
30
89°
65°
31
87°
64°
1
88°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Mendon
Mendon's July 2026 forecast shows daily high temperatures ranging from 79° to 89°, with overnight lows between 55° and 65°. The average high for July is 84° with an average low of 61°. 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 Mendon. See also: August | September | October.