Measurements:
°C
°F
Sturgeon Bay
74°F
E 3 mph
Feels like: 80°F
Precip: 5%
World Resorts USA Sturgeon Bay Weather

Sturgeon Bay Sea Water Temperature

Current Sea Water Temperature:
+70.8°F
Maximum Sea Water Temperature in August: 78.0°F
Minimum Sea Water Temperature in August: 66.2°F
Average water temperature in August: 72.6°F

Sea Water Temperature for the Last 10 Days:

August 05 70.8°F July 31 70.6°F
August 04 70.6°F July 30 67.6°F
August 03 70.4°F July 29 66.6°F
August 02 72.8°F July 28 71.8°F
August 01 72.0°F July 27 71.2°F

When is the Warmest Sea for Sturgeon Bay?

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

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Sturgeon Bay was 72.2°F. The maximum and minimum values were 69.2°F and 75.6°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Sturgeon Bay was 72.1°F. The maximum and minimum values were 66.6°F and 79.8°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Sturgeon Bay was 65.7°F. The maximum and minimum values were 59.0°F and 71.0°F respectively.

Best Time to Visit Sturgeon Bay
The most sunny months:
August 15 days
July 14 days
September 13 days
The most warm months:
July 78.1 °F
August 76.8 °F
June 71.0 °F
Warmest sea temperature:
August 72.6 °F
July 71.2 °F
September 67.0 °F
The most cold months:
January 20.4 °F
February 22.8 °F
December 28.2 °F
The most rainy months:
April 3 days
July 2 days
June 2 days
The most windy months:
November 11 mph
December 11 mph
March 11 mph

Sturgeon Bay 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
Sturgeon Bay
Local time: 13:24
05 aug, wednesday
1500 76°F
N
5 mph
1800 76°F
N
7 mph
2100 66°F
NE
9 mph
06 aug, thursday
0000 64°F
NE
6 mph
0300 62°F
N
3 mph
0600 62°F
N
6 mph
0900 70°F
NE
4 mph
1200 76°F
N
4 mph