S
M
T
W
T
F
S
26
78°
49°
27
73°
55°
28
61°
50°
29
60°
45°
30
63°
38°
1
59°
39°
2
60°
44°
3
74°
51°
4
77°
51°
5
57°
43°
6
56°
41°
7
60°
42°
8
69°
46°
9
70°
47°
10
71°
51°
11
70°
50°
12
69°
51°
13
70°
49°
14
72°
50°
15
68°
54°
16
66°
54°
17
70°
58°
18
75°
58°
19
75°
57°
20
76°
59°
21
76°
59°
22
75°
55°
23
70°
50°
24
70°
53°
25
71°
59°
26
74°
57°
27
72°
55°
28
71°
53°
29
71°
52°
30
75°
61°
31
76°
59°
1
75°
62°
2
82°
62°
3
81°
59°
4
74°
55°
5
74°
54°
6
75°
55°
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 56° to 82°, with overnight lows between 39° and 62°. The average high for May is 71° with an average low of 53°. 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.
