S
M
T
W
T
F
S
26
57°
47°
27
54°
46°
28
55°
49°
29
56°
46°
30
61°
46°
1
62°
49°
2
57°
46°
3
57°
46°
4
56°
47°
5
58°
46°
6
59°
54°
7
66°
54°
8
62°
51°
9
62°
55°
10
61°
48°
11
59°
46°
12
60°
46°
13
59°
47°
14
61°
48°
15
61°
53°
16
63°
55°
17
66°
58°
18
71°
50°
19
62°
50°
20
63°
53°
21
67°
60°
22
70°
61°
23
71°
62°
24
74°
61°
25
70°
60°
26
74°
64°
27
75°
61°
28
70°
58°
29
76°
61°
30
76°
57°
31
69°
56°
1
72°
57°
2
71°
59°
3
73°
63°
4
75°
63°
5
76°
64°
6
71°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Cleveland
Cleveland's May 2026 forecast shows daily high temperatures ranging from 54° to 76°, with overnight lows between 46° and 64°. The average high for May is 65° with an average low of 54°. 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 Cleveland. See also: June | July | August.