World Resorts USA Port Clinton Weather

Port Clinton sea water temperature

Current sea water temperature:
+80.2°F
Minimum sea water temperature in July: 82.6°F
Maximum sea water temperature in July: 73.0°F
Average sea water temperature in July: 78.3°F

Sea water temperature for the last 10 days:

July 21 80.2°F July 16 81.9°F
July 20 81.1°F July 15 81.0°F
July 19 81.9°F July 14 81.1°F
July 18 82.2°F July 13 80.4°F
July 17 82.6°F July 12 81.1°F

When is the warmest sea in Port Clinton?

Based on the data about daily sea water temperature for the last three years the warmest sea in Port Clinton was noticed in July, August and September.

Monthly Sea Temperatures in Port Clinton, °F

Sea water temperature in July, °F

Show year:
2026
2025
2024

The average sea water temperature in July of 2026 was 80.6°F. The highest and lowest sea temperatures during the month were 82.6°F and 74.8°F.

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 76.6°F. The highest and lowest sea temperatures during the month were 81.5°F and 68.9°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 70.8°F. The highest and lowest sea temperatures during the month were 73.0°F and 67.8°F.

Best time for vacation in Port Clinton

Sunniest months:
September 16 days
June 15 days
August 14 days
Warmest months:
July 78.7 °F
August 77.3 °F
June 74.6 °F
Warmest sea temp:
July 78.4 °F
August 77.1 °F
September 71.7 °F
Coldest months:
January 30.1 °F
February 32.3 °F
December 36.8 °F
Rainiest months:
July 4 days
April 3 days
May 3 days
Windiest months:
March 12.8 mph
November 12.5 mph
December 12.2 mph

Port Clinton on a weather map

Port Clinton
+77°F
NE 22 mph
Feels like: +79°F
Precip.: 8%
Places in USA:
Name
°F
+73°F
+81°F
+77°F
+86°F
+66°F
+86°F
+72°F
+84°F
+75°F
+68°F
+55°F
+68°F
+84°F
+79°F
+75°F
24 Hours Forecast
Port Clinton
Local time: 09:35
July 21, tuesday
1200
77°F
E
24 mph
1500
86°F
E
20 mph
1800
86°F
E
15 mph
2100
77°F
SE
19 mph
July 22, wednesday
0000
70°F
SE
18 mph
0300
64°F
SE
17 mph
0600
59°F
SE
19 mph
0900
61°F
SE
16 mph
Units of measurement: °C / °F