Measurements:
°C
°F
Sandusky
90°F
W 2 mph
Feels like: 94°F
Precip: 3%
World Resorts USA Sandusky Weather

Sandusky Sea Water Temperature

Current Sea Water Temperature:
+79.0°F
Maximum Sea Water Temperature in August: 85.2°F
Minimum Sea Water Temperature in August: 73.0°F
Average water temperature in August: 79.7°F

Sea Water Temperature for the Last 10 Days:

August 05 79.0°F July 31 79.4°F
August 04 79.8°F July 30 79.6°F
August 03 78.8°F July 29 79.6°F
August 02 81.0°F July 28 80.4°F
August 01 80.6°F July 27 80.4°F

When is the Warmest Sea for Sandusky?

According to our data for the last three years for Sandusky 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 Sandusky was 82.4°F. The maximum and minimum values were 78.6°F and 85.4°F respectively.

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Sandusky was 79.8°F. The maximum and minimum values were 73.0°F and 84.0°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Sandusky was 73.3°F. The maximum and minimum values were 70.0°F and 76.0°F respectively.

Best Time to Visit Sandusky
The most sunny months:
September 15 days
July 15 days
June 14 days
The most warm months:
July 81.7 °F
August 79.1 °F
June 76.4 °F
Warmest sea temperature:
July 80.4 °F
August 79.7 °F
September 74.3 °F
The most cold months:
January 28.3 °F
February 30.6 °F
December 35.7 °F
The most rainy months:
July 3 days
June 3 days
March 3 days
The most windy months:
November 14 mph
March 13 mph
December 13 mph

Sandusky on the Weather Map

USA Resorts:
NAME
Boston +94
Chicago +82
Hawaii +82
Houston +102
Las Vegas +124
Los Angeles +92
Maui +78
Miami +92
Myrtle Beach +84
New York +84
San Diego +80
San Francisco +62
Santa Monica +80
Sarasota +92
Washington +88
24 Hours Weather Forecast
Sandusky
Local time: 14:22
05 aug, wednesday
1500 90°F
W
2 mph
1800 86°F
NW
2 mph
2100 80°F
NE
7 mph
06 aug, thursday
0000 76°F
NE
9 mph
0300 72°F
E
9 mph
0600 72°F
E
6 mph
0900 74°F
N
6 mph
1200 82°F
NE
6 mph