S
M
T
W
T
F
S
26
73°
42°
27
72°
55°
28
65°
49°
29
58°
39°
30
60°
36°
1
55°
37°
2
59°
32°
3
72°
45°
4
82°
43°
5
57°
47°
6
57°
35°
7
65°
29°
8
69°
49°
9
74°
42°
10
65°
41°
11
67°
42°
12
73°
48°
13
59°
42°
14
66°
50°
15
75°
54°
16
78°
58°
17
78°
58°
18
80°
58°
19
80°
59°
20
79°
59°
21
73°
52°
22
65°
48°
23
67°
50°
24
68°
51°
25
69°
50°
26
69°
49°
27
71°
49°
28
72°
51°
29
74°
55°
30
78°
57°
31
79°
59°
1
78°
56°
2
74°
58°
3
80°
61°
4
81°
62°
5
81°
61°
6
73°
60°
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 59° to 81°, with overnight lows between 41° and 62°. The average high for May is 73° 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 Ohio. See also: June | July | August.
