Measurements:
°C
°F
Port Clinton
96°F
SE 7 mph
Feels like: 106°F
Precip: 2%
World Resorts USA Port Clinton Weather

Port Clinton Sea Water Temperature

Current Sea Water Temperature:
+84.4°F
Maximum Sea Water Temperature in July: 86.2°F
Minimum Sea Water Temperature in July: 75.6°F
Average water temperature in July: 81.3°F

Sea Water Temperature for the Last 10 Days:

July 15 84.4°F July 10 84.8°F
July 14 84.6°F July 09 85.2°F
July 13 83.8°F July 08 83.8°F
July 12 84.6°F July 07 83.2°F
July 11 84.6°F July 06 84.6°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 83.5°F. The maximum and minimum values were 77.6°F and 85.2°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
June 15 days
August 14 days
The most warm months:
July 81.8 °F
August 80.3 °F
June 77.4 °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 +92
Chicago +86
Hawaii +80
Houston +80
Las Vegas +120
Los Angeles +106
Maui +76
Miami +96
Myrtle Beach +96
New York +110
San Diego +96
San Francisco +76
Santa Monica +84
Sarasota +102
Tampa +100
24 Hours Weather Forecast
Port Clinton
Local time: 15:12
15 jul, wednesday
1800 96°F
E
4 mph
2100 90°F
NE
9 mph
16 jul, thursday
0000 86°F
E
11 mph
0300 80°F
S
8 mph
0600 78°F
SW
9 mph
0900 80°F
SW
7 mph
1200 82°F
SW
6 mph
1500 84°F
SW
4 mph