S
M
T
W
T
F
S
26
50°
31°
27
53°
26°
28
54°
24°
29
58°
25°
30
51°
29°
1
57°
30°
2
63°
24°
3
64°
26°
4
55°
38°
5
59°
37°
6
46°
29°
7
62°
21°
8
69°
33°
9
70°
31°
10
70°
28°
11
76°
29°
12
80°
29°
13
79°
33°
14
69°
41°
15
69°
44°
16
65°
39°
17
58°
35°
18
53°
32°
19
51°
32°
20
53°
31°
21
54°
33°
22
56°
36°
23
58°
38°
24
56°
38°
25
58°
37°
26
64°
39°
27
61°
32°
28
54°
27°
29
55°
27°
30
58°
29°
31
64°
32°
1
65°
36°
2
65°
36°
3
66°
38°
4
67°
39°
5
67°
38°
6
66°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Ohio
Ohio's May 2026 forecast shows daily high temperatures ranging from 51° to 69°, with overnight lows between 27° and 44°. The average high for May is 61° with an average low of 35°. 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 Ohio. See also: June | July | August.
