S
M
T
W
T
F
S
26
62°
41°
27
69°
41°
28
65°
40°
29
62°
43°
30
54°
44°
1
63°
43°
2
54°
46°
3
54°
38°
4
70°
40°
5
80°
49°
6
71°
55°
7
63°
47°
8
60°
38°
9
56°
50°
10
73°
52°
11
53°
44°
12
59°
41°
13
60°
45°
14
60°
45°
15
62°
44°
16
67°
49°
17
69°
49°
18
69°
48°
19
70°
53°
20
73°
51°
21
74°
47°
22
66°
44°
23
66°
45°
24
67°
49°
25
70°
52°
26
75°
52°
27
72°
50°
28
71°
46°
29
68°
46°
30
72°
51°
31
76°
54°
1
75°
54°
2
72°
53°
3
74°
54°
4
77°
55°
5
78°
55°
6
77°
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 78°, with overnight lows between 38° and 56°. The average high for May is 69° with an average low of 49°. 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.
