S
M
T
W
T
F
S
26
85°
68°
27
93°
70°
28
90°
74°
29
78°
56°
30
61°
57°
1
58°
49°
2
74°
45°
3
79°
48°
4
83°
55°
5
90°
64°
6
65°
51°
7
65°
53°
8
75°
52°
9
88°
63°
10
87°
61°
11
77°
58°
12
83°
56°
13
88°
58°
14
90°
61°
15
83°
63°
16
87°
64°
17
84°
72°
18
90°
75°
19
92°
64°
20
78°
61°
21
75°
64°
22
84°
62°
23
84°
58°
24
86°
63°
25
86°
64°
26
85°
65°
27
79°
65°
28
86°
66°
29
91°
68°
30
90°
68°
31
86°
65°
1
85°
66°
2
85°
67°
3
83°
65°
4
84°
66°
5
87°
67°
6
88°
68°
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 79° to 91°, with overnight lows between 63° and 68°. The average high for May is 86° with an average low of 66°. 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.
