S
M
T
W
T
F
S
26
73°
42°
27
72°
55°
28
65°
49°
29
58°
39°
30
60°
36°
1
53°
37°
2
57°
42°
3
65°
46°
4
75°
49°
5
58°
40°
6
54°
39°
7
56°
39°
8
64°
48°
9
67°
47°
10
68°
49°
11
65°
50°
12
68°
48°
13
66°
49°
14
71°
50°
15
64°
48°
16
65°
47°
17
65°
55°
18
72°
55°
19
67°
56°
20
71°
56°
21
74°
55°
22
69°
56°
23
73°
51°
24
67°
50°
25
67°
52°
26
69°
58°
27
72°
56°
28
69°
54°
29
69°
50°
30
72°
51°
31
70°
51°
1
70°
57°
2
79°
56°
3
70°
53°
4
71°
52°
5
71°
52°
6
72°
53°
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 53° to 79°, with overnight lows between 37° and 58°. The average high for May is 67° with an average low of 50°. 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.
