S
M
T
W
T
F
S
26
98°
76°
27
97°
77°
28
89°
74°
29
84°
67°
30
83°
64°
31
81°
68°
1
71°
65°
2
82°
64°
3
83°
61°
4
88°
67°
5
76°
70°
6
78°
67°
7
86°
64°
8
86°
68°
9
88°
71°
10
89°
76°
11
92°
75°
12
82°
73°
13
86°
72°
14
83°
73°
15
90°
73°
16
84°
70°
17
81°
65°
18
82°
63°
19
79°
66°
20
83°
63°
21
85°
62°
22
82°
62°
23
77°
58°
24
76°
56°
25
84°
62°
26
86°
67°
27
82°
62°
28
84°
61°
29
85°
62°
30
92°
69°
31
97°
73°
1
99°
72°
2
98°
74°
3
97°
75°
4
97°
75°
5
98°
74°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Mendon
Mendon's August 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for August is ° with an average low of °. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Mendon. See also: September | October | November.