Current sea water temperature:
+59.7°F
| Minimum sea water temperature in September: | 73.6°F |
| Maximum sea water temperature in September: | 58.5°F |
| Average sea water temperature in September: | 66.9°F |
| more information | |
14 days
forecast
forecast
| Milwaukee |
monthly
weather
weather
| Milwaukee |
Sea water temperature for the last 10 days:
| September 16 | 59.7°F | September 11 | 67.6°F |
| September 15 | 63.3°F | September 10 | 67.1°F |
| September 14 | 64.9°F | September 9 | 68.7°F |
| September 13 | 66.7°F | September 8 | 68.4°F |
| September 12 | 67.3°F | September 7 | 65.1°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:
2026
2025
2024
The average sea water temperature in August of 2026 was 71.2°F. The highest and lowest sea temperatures during the month were 73.9°F and 68.2°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 67.0°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:
2026
2025
2024
The average sea water temperature in September of 2026 was 66.0°F. The highest and lowest sea temperatures during the month were 68.9°F and 59.7°F.
current
weather
weather
| Milwaukee |
weather in
September
September
| Milwaukee |
Best time for vacation in Milwaukee
Milwaukee on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Milwaukee
Local time: 02:08
September 17, thursday
0300
63°F
SE
2 mph
2 mph
0600
63°F
S
4 mph
4 mph
0900
63°F
SW
2 mph
2 mph
1200
66°F
SW
3 mph
3 mph
1500
66°F
W
2 mph
2 mph
1800
66°F
SW
2 mph
2 mph
2100
66°F
SW
4 mph
4 mph
September 18, friday
0000
64°F
SW
4 mph
4 mph
