19.05
tue
tue
Day
68°F
E 15 mph
Precip.
100%
100%
Night
45°F
SE 10 mph
Precip.
0%
0%
20.05
wed
wed
Day
52°F
SW 7 mph
Precip.
0%
0%
Night
39°F
W 6 mph
Precip.
0%
0%
21.05
thu
thu
Day
54°F
W 7 mph
Precip.
0%
0%
Night
45°F
W 6 mph
Precip.
0%
0%
22.05
fri
fri
Day
52°F
W 10 mph
Precip.
0%
0%
Night
50°F
W 7 mph
Precip.
0%
0%
23.05
sat
sat
Day
55°F
NW 10 mph
Precip.
0%
0%
Night
54°F
NW 6 mph
Precip.
74%
74%
24.05
sun
sun
Day
63°F
NE 6 mph
Precip.
69%
69%
Night
55°F
NW 4 mph
Precip.
57%
57%
25.05
mon
mon
Day
72°F
NE 10 mph
Precip.
0%
0%
Night
63°F
N 9 mph
Precip.
0%
0%
sea water
temperature
temperature
| Green Bay |
monthly
weather
weather
| Green Bay |
current
weather
weather
| Green Bay |
14 days
forecast
forecast
| Green Bay |
Sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 53.0°F. The highest and lowest sea temperatures during the month were 54.9°F and 48.7°F.
Sea water temperature in June, °F
Show year:
2025
2024
2023
The average sea water temperature in June of 2025 was 66.6°F. The highest and lowest sea temperatures during the month were 74.1°F and 59.9°F.
Air temperature in Green Bay, °F
Precipitation total in Green Bay, in.
* Charts above show average data for the last 3 years.
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: 07:30
May 19, tuesday
0900
68°F
NE
18 mph
18 mph
1200
68°F
E
15 mph
15 mph
1500
66°F
E
19 mph
19 mph
1800
57°F
E
16 mph
16 mph
2100
50°F
E
13 mph
13 mph
May 20, wednesday
0000
45°F
SE
10 mph
10 mph
0300
41°F
SE
6 mph
6 mph
0600
41°F
SE
6 mph
6 mph
