Current sea water temperature:
+50.0°F
| Minimum sea water temperature in May: | 55.6°F |
| Maximum sea water temperature in May: | 39.0°F |
| Average sea water temperature in May: | 46.9°F |
| more information | |
14 days
forecast
forecast
| Milwaukee |
monthly
weather
weather
| Milwaukee |
Sea water temperature for the last 10 days:
| May 17 | 50.0°F | May 12 | 45.9°F |
| May 16 | 47.1°F | May 11 | 46.6°F |
| May 15 | 46.6°F | May 10 | 46.8°F |
| May 14 | 46.2°F | May 9 | 46.2°F |
| May 13 | 45.7°F | May 8 | 45.3°F |
Monthly sea water temperature, °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:
2025
2024
2023
The average sea water temperature in July of 2025 was 68.7°F. The highest and lowest sea temperatures during the month were 75.4°F and 64.6°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.
current
weather
weather
| Milwaukee |
weather in
May
May
| Milwaukee |
Best time for vacation in Milwaukee
Milwaukee on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Milwaukee
Local time: 15:25
May 17, sunday
1800
54°F
NW
5 mph
5 mph
2100
50°F
N
6 mph
6 mph
May 18, monday
0000
61°F
N
11 mph
11 mph
0300
63°F
N
14 mph
14 mph
0600
63°F
N
12 mph
12 mph
0900
68°F
N
14 mph
14 mph
1200
70°F
NE
15 mph
15 mph
1500
66°F
N
16 mph
16 mph
