S
M
T
W
T
F
S
26
86°
57°
27
79°
59°
28
64°
54°
29
84°
63°
30
77°
61°
1
70°
55°
2
72°
46°
3
73°
41°
4
79°
41°
5
82°
46°
6
86°
59°
7
79°
64°
8
72°
57°
9
72°
57°
10
82°
61°
11
84°
61°
12
70°
61°
13
81°
59°
14
79°
55°
15
79°
46°
16
88°
50°
17
91°
64°
18
88°
61°
19
90°
59°
20
90°
64°
21
91°
64°
22
91°
66°
23
84°
70°
24
88°
68°
25
86°
68°
26
88°
70°
27
85°
68°
28
83°
69°
29
80°
70°
30
82°
68°
31
78°
67°
1
78°
62°
2
82°
59°
3
78°
60°
4
77°
61°
5
76°
62°
6
82°
63°
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 76° to 85°, with overnight lows between 59° and 70°. The average high for May is 80° with an average low of 64°. 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.
