S
M
T
W
T
F
S
26
77°
56°
27
76°
52°
28
63°
47°
29
62°
42°
30
67°
38°
1
63°
37°
2
61°
44°
3
75°
52°
4
79°
51°
5
58°
42°
6
53°
40°
7
64°
43°
8
72°
51°
9
74°
50°
10
70°
51°
11
74°
54°
12
72°
52°
13
71°
50°
14
70°
52°
15
68°
55°
16
69°
57°
17
71°
59°
18
74°
59°
19
75°
60°
20
77°
61°
21
76°
61°
22
76°
55°
23
70°
52°
24
68°
55°
25
70°
61°
26
72°
57°
27
72°
55°
28
71°
54°
29
71°
54°
30
78°
63°
31
75°
63°
1
79°
64°
2
82°
63°
3
80°
59°
4
74°
59°
5
74°
56°
6
75°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Mendon
Mendon's May 2026 forecast shows daily high temperatures ranging from 53° to 82°, with overnight lows between 37° and 64°. The average high for May is 72° with an average low of 54°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Mendon. See also: June | July | August.
