S
M
T
W
T
F
S
26
87°
72°
27
86°
72°
28
85°
71°
29
86°
70°
30
82°
66°
31
78°
64°
1
79°
70°
2
79°
70°
3
80°
69°
4
85°
70°
5
83°
71°
6
83°
70°
7
80°
69°
8
79°
67°
9
78°
67°
10
79°
64°
11
83°
68°
12
83°
70°
13
85°
71°
14
86°
67°
15
85°
71°
16
85°
68°
17
86°
61°
18
79°
61°
19
76°
60°
20
76°
59°
21
77°
60°
22
78°
60°
23
78°
61°
24
79°
61°
25
81°
62°
26
83°
66°
27
83°
60°
28
77°
59°
29
75°
60°
30
76°
62°
31
78°
60°
1
80°
59°
2
76°
58°
3
75°
61°
4
78°
66°
5
82°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Port Clinton
Port Clinton's August 2026 forecast shows daily high temperatures ranging from 75° to 87°, with overnight lows between 58° and 72°. The average high for August is 81° with an average low of 65°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Port Clinton. See also: September | October | November.
