World Resorts USA Green Bay Weather

Green Bay 7 Days Forecast

28.04
tue
Day
52°F
E 18 mph
Precip.
0%
Night
45°F
SW 6 mph
Precip.
0%
29.04
wed
Day
48°F
SE 7 mph
Precip.
63%
Night
39°F
W 2 mph
Precip.
0%
30.04
thu
Day
46°F
SE 9 mph
Precip.
100%
Night
32°F
S 3 mph
Precip.
0%
01.05
fri
Day
43°F
S 5 mph
Precip.
61%
Night
32°F
W 4 mph
Precip.
0%
02.05
sat
Day
46°F
S 7 mph
Precip.
0%
Night
34°F
W 2 mph
Precip.
0%
03.05
sun
Day
54°F
SE 14 mph
Precip.
0%
Night
39°F
N 3 mph
Precip.
0%
04.05
mon
Day
57°F
E 9 mph
Precip.
0%
Night
52°F
E 11 mph
Precip.
100%

Sea water temperature in April, °F

Show year:
2026
2025
2024

The average sea water temperature in April of 2026 was 39.6°F. The highest and lowest sea temperatures during the month were 44.6°F and 36.1°F.

Sea water temperature in May, °F

Show year:
2025
2024
2023

The average sea water temperature in May of 2025 was 57.9°F. The highest and lowest sea temperatures during the month were 63.1°F and 50.7°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

Sunniest months:
August 14 days
September 13 days
October 13 days
Warmest months:
July 78.0 °F
August 77.5 °F
June 73.8 °F
Warmest sea temp:
July 74.9 °F
August 73.5 °F
September 68.1 °F
Coldest months:
January 23.7 °F
February 26.8 °F
December 30.2 °F
Rainiest months:
June 3 days
April 3 days
August 2 days
Windiest months:
April 11.0 mph
March 10.9 mph
November 10.9 mph

Green Bay on a weather map

Green Bay
+59°F
E 17 mph
Feels like: +57°F
Precip.: 0%
Places in USA:
Name
°F
+70°F
+77°F
+77°F
+82°F
+73°F
+81°F
+81°F
+72°F
+57°F
+68°F
+64°F
+82°F
+86°F
+86°F
+55°F
24 Hours Forecast
Green Bay
Local time: 15:44
April 28, tuesday
1800
57°F
E
12 mph
2100
50°F
E
6 mph
April 29, wednesday
0000
45°F
SW
6 mph
0300
41°F
S
3 mph
0600
41°F
S
3 mph
0900
45°F
S
6 mph
1200
48°F
SE
7 mph
1500
50°F
SE
11 mph
Units of measurement: °C / °F