Measurements:
°C
°F
Milwaukee
56°F
W 7 mph
Feels like: 54°F
Precip: 5%
World Resorts USA Milwaukee Weather

Milwaukee Sea Water Temperature

Current Sea Water Temperature:
+62.4°F
Maximum Sea Water Temperature in October: 72.2°F
Minimum Sea Water Temperature in October: 44.4°F
Average water temperature in October: 59.7°F

Sea Water Temperature for the Last 10 Days:

October 05 62.4°F September 30 63.8°F
October 04 63.4°F September 29 63.4°F
October 03 63.2°F September 28 63.0°F
October 02 63.2°F September 27 63.0°F
October 01 63.0°F September 26 60.0°F

When is the Warmest Sea for Milwaukee?

According to our data for the last three years for Milwaukee 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 Milwaukee was 73.6°F. The maximum and minimum values were 70.2°F and 76.6°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Milwaukee was 68.9°F. The maximum and minimum values were 57.4°F and 77.2°F respectively.

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Milwaukee was 64.5°F. The maximum and minimum values were 58.2°F and 71.0°F respectively.

Best Time to Visit Milwaukee
The most sunny months:
August 15 days
June 14 days
July 14 days
The most warm months:
August 78.7 °F
July 78.6 °F
September 72.6 °F
Warmest sea temperature:
August 72.2 °F
July 69.3 °F
September 68.2 °F
The most cold months:
January 24.3 °F
February 27.6 °F
December 31.7 °F
The most rainy months:
April 3 days
May 2 days
October 2 days
The most windy months:
November 12 mph
March 12 mph
February 11 mph

Milwaukee on the Weather Map

USA Resorts:
NAME
F°
Boston +58
Chicago +62
Hawaii +82
Houston +86
Las Vegas +92
Los Angeles +100
Maui +74
Miami +88
Myrtle Beach +70
New York +62
San Diego +84
San Francisco +66
Santa Monica +94
Sarasota +84
Washington +64
24 Hours Weather Forecast
Milwaukee
Local time: 19:26
05 oct, monday
2100 52°F
NW
6 mph
06 oct, tuesday
0000 52°F
N
6 mph
0300 50°F
N
7 mph
0600 50°F
N
7 mph
0900 56°F
N
11 mph
1200 68°F
NE
14 mph
1500 72°F
NE
15 mph
1800 66°F
NE
14 mph