Measurements:
°C
°F
Port Clinton
84°F
NE 7 mph
Feels like: 80°F
Precip: 0%
World Resorts USA Port Clinton Weather

Port Clinton Sea Water Temperature

Current Sea Water Temperature:
+69.2°F
Maximum Sea Water Temperature in June: 84.4°F
Minimum Sea Water Temperature in June: 60.4°F
Average water temperature in June: 73.0°F

Sea Water Temperature for the Last 10 Days:

June 04 69.2°F May 29 69.6°F
June 03 67.0°F May 28 69.6°F
June 01 66.0°F May 27 68.6°F
May 31 66.6°F May 26 66.2°F
May 30 70.4°F May 25 63.6°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: 2025 2024 2023

The average sea surface temperature in July 2025 for Port Clinton was 84.1°F. The maximum and minimum values were 81.6°F and 86.2°F respectively.

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Port Clinton was 79.6°F. The maximum and minimum values were 71.0°F and 85.0°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Port Clinton was 73.1°F. The maximum and minimum values were 69.8°F and 75.6°F respectively.

Best Time to Visit Port Clinton
The most sunny months:
September 16 days
August 14 days
October 14 days
The most warm months:
July 81.8 °F
August 80.3 °F
June 77.1 °F
Warmest sea temperature:
July 81.1 °F
August 80.1 °F
September 74.1 °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
Boston +90
Chicago +76
Hawaii +78
Honolulu +78
Houston +86
Las Vegas +92
Los Angeles +70
Maui +70
Miami +82
Miami Beach +84
New York +94
San Diego +64
San Francisco +60
Sarasota +94
Tampa +92
24 Hours Weather Forecast
Port Clinton
Local time: 12:54
04 jun, thursday
1500 86°F
NE
7 mph
1800 86°F
NE
7 mph
2100 78°F
NE
9 mph
05 jun, friday
0000 70°F
NE
10 mph
0300 66°F
NE
9 mph
0600 66°F
NE
11 mph
0900 72°F
NE
12 mph
1200 78°F
NE
16 mph