S
M
T
W
T
F
S
26
55°
44°
27
73°
43°
28
71°
48°
29
54°
42°
30
52°
37°
1
45°
37°
2
46°
36°
3
62°
35°
4
74°
51°
5
69°
47°
6
51°
43°
7
55°
40°
8
56°
46°
9
70°
52°
10
56°
44°
11
55°
38°
12
63°
32°
13
62°
45°
14
57°
45°
15
65°
38°
16
73°
54°
17
84°
62°
18
89°
65°
19
87°
52°
20
55°
45°
21
58°
49°
22
63°
53°
23
67°
58°
24
69°
59°
25
70°
60°
26
73°
60°
27
74°
59°
28
71°
59°
29
74°
59°
30
76°
62°
31
77°
65°
1
72°
56°
2
75°
62°
3
75°
61°
4
70°
61°
5
70°
62°
6
73°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Mentor
Mentor's May 2026 forecast shows daily high temperatures ranging from 55° to 87°, with overnight lows between 45° and 65°. The average high for May is 71° with an average low of 58°. 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 Mentor. See also: June | July | August.
