S
M
T
W
T
F
S
26
55°
33°
27
55°
35°
28
56°
36°
29
55°
34°
30
52°
34°
1
55°
30°
2
51°
30°
3
52°
32°
4
53°
34°
5
53°
33°
6
55°
35°
7
55°
38°
8
56°
39°
9
56°
38°
10
55°
37°
11
56°
35°
12
57°
37°
13
58°
35°
14
58°
35°
15
57°
40°
16
58°
43°
17
59°
40°
18
59°
37°
19
64°
47°
20
70°
48°
21
71°
47°
22
62°
42°
23
62°
39°
24
64°
40°
25
69°
48°
26
73°
50°
27
73°
48°
28
69°
40°
29
72°
48°
30
74°
47°
31
68°
50°
1
67°
48°
2
69°
45°
3
68°
42°
4
65°
44°
5
66°
51°
6
69°
52°
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 51° to 74°, with overnight lows between 30° and 52°. The average high for May is 61° with an average low of 40°. 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.