S
M
T
W
T
F
S
26
58°
45°
27
55°
43°
28
57°
45°
29
61°
50°
30
66°
52°
1
66°
51°
2
64°
50°
3
59°
48°
4
59°
46°
5
58°
45°
6
60°
52°
7
65°
54°
8
69°
52°
9
65°
49°
10
61°
47°
11
64°
54°
12
64°
53°
13
63°
55°
14
63°
55°
15
65°
56°
16
69°
57°
17
73°
57°
18
69°
52°
19
63°
51°
20
64°
55°
21
69°
57°
22
67°
50°
23
68°
50°
24
70°
52°
25
71°
56°
26
73°
50°
27
71°
51°
28
74°
55°
29
76°
53°
30
75°
54°
31
69°
58°
1
70°
57°
2
72°
52°
3
69°
54°
4
71°
62°
5
79°
62°
6
79°
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 79°, with overnight lows between 43° and 63°. The average high for May is 67° 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 Mentor. See also: June | July | August.
