Measurements:
°C
°F
Sturgeon Bay
84°F
N 9 mph
Feels like: 86°F
Precip: 2%
World Resorts USA Sturgeon Bay Weather

Sturgeon Bay Sea Water Temperature

Current Sea Water Temperature:
+71.2°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 25 71.2°F August 20 74.4°F
August 24 72.8°F August 19 75.6°F
August 23 73.8°F August 18 74.4°F
August 22 74.0°F August 17 73.8°F
August 21 74.2°F August 16 72.8°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: 2026 2025 2024

The average sea surface temperature in August 2026 for Sturgeon Bay was 72.3°F. The maximum and minimum values were 68.6°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 +80
Chicago +82
Hawaii +84
Houston +108
Las Vegas +116
Los Angeles +96
Maui +70
Miami +92
Myrtle Beach +84
New York +82
San Diego +96
San Francisco +64
Santa Monica +86
Sarasota +92
Washington +84
24 Hours Weather Forecast
Sturgeon Bay
Local time: 16:27
25 aug, tuesday
1800 82°F
N
13 mph
2100 72°F
N
11 mph
26 aug, wednesday
0000 68°F
N
10 mph
0300 66°F
NE
13 mph
0600 64°F
NE
14 mph
0900 68°F
NE
14 mph
1200 80°F
E
12 mph
1500 86°F
E
14 mph