Measurements:
°C
°F
Port Clinton
56°F
SW 13 mph
Feels like: 54°F
Precip: 9%
World Resorts USA Port Clinton Weather

Port Clinton Sea Water Temperature

Current Sea Water Temperature:
+61.2°F
Maximum Sea Water Temperature in October: 75.2°F
Minimum Sea Water Temperature in October: 47.8°F
Average water temperature in October: 62.1°F

Sea Water Temperature for the Last 10 Days:

October 26 61.2°F October 21 60.0°F
October 25 60.6°F October 20 60.0°F
October 24 60.6°F October 19 60.2°F
October 23 60.2°F October 18 61.6°F
October 22 60.2°F October 17 65.6°F

When is the Warmest Sea for Port Clinton?

According to our data for the last three years for Port Clinton the highest average sea water temperature was in July, August and September.

Average Water Temperature by Month, °F

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Port Clinton was 82.9°F. The maximum and minimum values were 77.6°F and 86.2°F respectively.

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Port Clinton was 80.2°F. The maximum and minimum values were 77.2°F and 82.2°F respectively.

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Port Clinton was 75.4°F. The maximum and minimum values were 68.6°F and 80.8°F respectively.

Best Time to Visit Port Clinton
The most sunny months:
September 15 days
June 15 days
July 15 days
The most warm months:
July 82.4 °F
August 80.4 °F
June 77.4 °F
Warmest sea temperature:
July 81.4 °F
August 80.1 °F
September 74.3 °F
The most cold months:
January 27.9 °F
February 30.3 °F
December 35.3 °F
The most rainy months:
July 4 days
April 3 days
May 3 days
The most windy months:
March 12 mph
November 12 mph
December 12 mph

Port Clinton on the Weather Map

USA Resorts:
NAME
F°
Boston +58
Chicago +58
Hawaii +80
Houston +74
Las Vegas +64
Los Angeles +74
Maui +72
Miami +82
New York +62
Panama City Beach +64
San Diego +74
San Francisco +60
Santa Monica +72
Tampa +72
Washington +58
24 Hours Weather Forecast
Port Clinton
Local time: 00:47
27 oct, tuesday
0300 56°F
SW
12 mph
0600 56°F
SW
9 mph
0900 56°F
W
12 mph
1200 60°F
W
11 mph
1500 62°F
W
11 mph
1800 58°F
W
13 mph
2100 58°F
W
11 mph
28 oct, wednesday
0000 56°F
NW
7 mph