Current sea water temperature:
+32.0°F
| Minimum sea water temperature in January: | 34.9°F |
| Maximum sea water temperature in January: | 32.0°F |
| Average sea water temperature in January: | 32.4°F |
| more information | |
14 days
forecast
forecast
| Green Bay |
monthly
weather
weather
| Green Bay |
Sea water temperature for the last 10 days:
| January 10 | 32.0°F | January 5 | 32.2°F |
| January 9 | 32.0°F | January 4 | 32.0°F |
| January 8 | 32.0°F | January 3 | 32.0°F |
| January 7 | 32.2°F | January 2 | 32.0°F |
| January 6 | 32.2°F | January 1 | 32.0°F |
Monthly sea water temperature, °F
When is the warmest sea in Green Bay?
Based on the data about daily sea water temperature for the last three years the warmest sea in Green Bay was noticed in July, August and September.
Monthly Sea Temperatures in Green Bay, °F
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 75.8°F. The highest and lowest sea temperatures during the month were 81.1°F and 73.0°F.
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 73.6°F. The highest and lowest sea temperatures during the month were 76.8°F and 68.0°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 67.1°F. The highest and lowest sea temperatures during the month were 71.1°F and 61.9°F.
current
weather
weather
| Green Bay |
weather in
January
January
| Green Bay |
Best time for vacation in Green Bay
Green Bay on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Green Bay
Local time: 17:23
January 10, saturday
1800
30°F
E
16 mph
16 mph
2100
27°F
E
16 mph
16 mph
January 11, sunday
0000
25°F
SE
14 mph
14 mph
0300
23°F
E
17 mph
17 mph
0600
23°F
SE
16 mph
16 mph
0900
23°F
SE
16 mph
16 mph
1200
25°F
SE
14 mph
14 mph
1500
27°F
E
11 mph
11 mph
