S
M
T
W
T
F
S
28
85°
57°
29
90°
62°
30
89°
62°
1
90°
61°
2
89°
63°
3
90°
63°
4
91°
62°
5
92°
64°
6
88°
62°
7
83°
61°
8
85°
63°
9
87°
60°
10
84°
58°
11
89°
61°
12
93°
64°
13
94°
65°
14
93°
66°
15
93°
66°
16
94°
65°
17
94°
66°
18
93°
66°
19
95°
67°
20
94°
66°
21
91°
66°
22
88°
66°
23
88°
66°
24
93°
67°
25
94°
66°
26
93°
65°
27
95°
67°
28
95°
64°
29
96°
62°
30
94°
63°
31
97°
66°
1
96°
65°
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 83° to 97°, with overnight lows between 57° and 67°. The average high for July is 91° with an average low of 64°. 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.