Current sea water temperature:
+78.1°F
| Minimum sea water temperature in July: | 81.7°F |
| Maximum sea water temperature in July: | 68.9°F |
| Average sea water temperature in July: | 75.2°F |
| more information | |
14 days
forecast
forecast
| Green Bay |
monthly
weather
weather
| Green Bay |
Sea water temperature for the last 10 days:
| July 21 | 78.1°F | July 16 | 81.5°F |
| July 20 | 78.8°F | July 15 | 81.7°F |
| July 19 | 78.8°F | July 14 | 80.1°F |
| July 18 | 81.1°F | July 13 | 77.9°F |
| July 17 | 79.7°F | July 12 | 78.8°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 June.
Monthly Sea Temperatures in Green Bay, °F
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 77.8°F. The highest and lowest sea temperatures during the month were 81.7°F and 73.8°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 June, °F
Show year:
2026
2025
2024
The average sea water temperature in June of 2026 was 69.7°F. The highest and lowest sea temperatures during the month were 73.0°F and 65.5°F.
current
weather
weather
| Green Bay |
weather in
July
July
| 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: 08:43
July 21, tuesday
0900

73°F
SE
16 mph
16 mph
1200

79°F
SE
15 mph
15 mph
1500

79°F
SE
16 mph
16 mph
1800

72°F
S
17 mph
17 mph
2100

61°F
S
19 mph
19 mph
July 22, wednesday
0000

57°F
S
12 mph
12 mph
0300

54°F
SE
13 mph
13 mph
0600

48°F
SE
9 mph
9 mph




























