S
M
T
W
T
F
S
28
80°
60°
29
87°
67°
30
87°
59°
1
83°
58°
2
81°
59°
3
81°
67°
4
83°
60°
5
83°
58°
6
80°
60°
7
80°
60°
8
81°
58°
9
80°
59°
10
81°
59°
11
85°
61°
12
84°
66°
13
82°
67°
14
83°
60°
15
81°
59°
16
81°
62°
17
83°
60°
18
82°
64°
19
81°
64°
20
81°
60°
21
80°
60°
22
81°
59°
23
82°
60°
24
83°
59°
25
86°
61°
26
86°
66°
27
85°
59°
28
80°
58°
29
81°
62°
30
80°
61°
31
79°
58°
1
80°
59°
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 87°, with overnight lows between 58° and 67°. The average high for July is 82° 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.