S
M
T
W
T
F
S
28
91°
75°
29
91°
77°
30
92°
76°
1
91°
74°
2
92°
74°
3
91°
71°
4
93°
71°
5
88°
69°
6
87°
69°
7
87°
71°
8
90°
70°
9
89°
70°
10
89°
69°
11
88°
71°
12
91°
69°
13
91°
70°
14
85°
68°
15
84°
66°
16
88°
69°
17
85°
68°
18
90°
72°
19
92°
73°
20
91°
72°
21
91°
72°
22
90°
73°
23
92°
73°
24
92°
72°
25
91°
73°
26
91°
73°
27
90°
72°
28
92°
73°
29
92°
71°
30
91°
72°
31
90°
72°
1
89°
70°
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 84° to 93°, with overnight lows between 66° and 74°. The average high for July is 90° with an average low of 71°. 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.