S
M
T
W
T
F
S
26
61°
45°
27
73°
45°
28
63°
50°
29
59°
45°
30
55°
43°
1
50°
37°
2
46°
32°
3
61°
34°
4
74°
57°
5
62°
43°
6
59°
39°
7
55°
40°
8
61°
45°
9
65°
47°
10
67°
48°
11
64°
46°
12
65°
47°
13
66°
49°
14
67°
47°
15
68°
51°
16
72°
52°
17
75°
51°
18
71°
55°
19
74°
56°
20
73°
54°
21
73°
49°
22
68°
47°
23
66°
48°
24
68°
49°
25
68°
51°
26
69°
49°
27
69°
50°
28
70°
50°
29
70°
51°
30
71°
55°
31
76°
56°
1
71°
53°
2
74°
54°
3
76°
61°
4
77°
59°
5
79°
61°
6
81°
63°
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 55° to 81°, with overnight lows between 39° and 63°. The average high for May is 70° with an average low of 51°. 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.
