World Resorts USA Milwaukee Weather

Milwaukee sea water temperature

Current sea water temperature:
+72.9°F
Minimum sea water temperature in July: 75.4°F
Maximum sea water temperature in July: 56.7°F
Average sea water temperature in July: 67.3°F

Sea water temperature for the last 10 days:

July 21 72.9°F July 16 72.9°F
July 20 73.4°F July 15 72.7°F
July 19 73.9°F July 14 70.2°F
July 18 74.5°F July 13 68.9°F
July 17 73.2°F July 12 66.7°F

When is the warmest sea in Milwaukee?

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

Monthly Sea Temperatures in Milwaukee, °F

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 71.2°F. The highest and lowest sea temperatures during the month were 73.2°F and 68.4°F.

Sea water temperature in July, °F

Show year:
2026
2025
2024

The average sea water temperature in July of 2026 was 65.8°F. The highest and lowest sea temperatures during the month were 74.5°F and 56.7°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 66.9°F. The highest and lowest sea temperatures during the month were 70.0°F and 63.5°F.

Best time for vacation in Milwaukee

Sunniest months:
August 15 days
June 14 days
September 14 days
Warmest months:
August 75.7 °F
July 75.4 °F
September 70.4 °F
Warmest sea temp:
August 69.7 °F
July 67.2 °F
September 67.0 °F
Coldest months:
January 26.9 °F
February 29.9 °F
December 33.6 °F
Rainiest months:
April 3 days
May 2 days
March 2 days
Windiest months:
November 12.3 mph
March 11.9 mph
February 11.8 mph

Milwaukee on a weather map

Milwaukee
+77°F
SE 16 mph
Feels like: +79°F
Precip.: 3%
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
Milwaukee
Local time: 08:24
July 21, tuesday
0900
77°F
SE
16 mph
1200
84°F
SE
16 mph
1500
84°F
SE
14 mph
1800
75°F
S
16 mph
2100
68°F
S
13 mph
July 22, wednesday
0000
61°F
S
17 mph
0300
55°F
S
11 mph
0600
54°F
SE
12 mph
Units of measurement: °C / °F