S
M
T
W
T
F
S
26
52°
45°
27
72°
48°
28
68°
52°
29
55°
45°
30
55°
43°
1
48°
41°
2
48°
39°
3
63°
39°
4
75°
52°
5
66°
48°
6
57°
45°
7
57°
43°
8
61°
48°
9
72°
54°
10
61°
48°
11
57°
43°
12
64°
43°
13
59°
46°
14
64°
46°
15
70°
57°
16
74°
61°
17
77°
66°
18
86°
69°
19
81°
60°
20
68°
51°
21
61°
52°
22
64°
54°
23
73°
59°
24
72°
60°
25
73°
63°
26
72°
62°
27
73°
63°
28
74°
57°
29
76°
62°
30
75°
59°
31
68°
56°
1
69°
54°
2
68°
54°
3
69°
57°
4
70°
62°
5
78°
65°
6
80°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Port Clinton
Port Clinton's May 2026 forecast shows daily high temperatures ranging from 61° to 86°, with overnight lows between 51° and 69°. The average high for May is 73° with an average low of 60°. 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 Port Clinton. See also: June | July | August.
