World Resorts USA Green Bay Weather

Green Bay 7 Days Forecast

18.03
wed
Day
28°F
NE 14 mph
Precip.
0%
Night
32°F
E 9 mph
Precip.
0%
19.03
thu
Day
37°F
N 6 mph
Precip.
0%
Night
34°F
N 6 mph
Precip.
0%
20.03
fri
Day
39°F
S 6 mph
Precip.
0%
Night
37°F
W 4 mph
Precip.
0%
21.03
sat
Day
37°F
NE 11 mph
Precip.
0%
Night
39°F
S 14 mph
Precip.
0%
22.03
sun
Day
32°F
SW 19 mph
Precip.
100%
Night
27°F
S 13 mph
Precip.
61%
23.03
mon
Day
30°F
S 9 mph
Precip.
52%
Night
27°F
N 6 mph
Precip.
0%
24.03
tue
Day
39°F
NE 13 mph
Precip.
0%
Night
34°F
N 7 mph
Precip.
0%

Sea water temperature in March, °F

Show year:
2026
2025
2024

The average sea water temperature in March of 2026 was 33.9°F. The highest and lowest sea temperatures during the month were 35.2°F and 32.2°F.

Sea water temperature in April, °F

Show year:
2025
2024
2023

The average sea water temperature in April of 2025 was 42.8°F. The highest and lowest sea temperatures during the month were 51.8°F and 36.1°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
November 10.9 mph
March 10.9 mph

Green Bay on a weather map

Green Bay
+32°F
NE 11 mph
Feels like: +23°F
Precip.: 0%
Places in USA:
Name
°F
+45°F
+75°F
+75°F
+99°F
+93°F
+66°F
+72°F
+72°F
+37°F
+70°F
+86°F
+72°F
+66°F
+77°F
+37°F
24 Hours Forecast
Green Bay
Local time: 16:32
March 18, wednesday
1800
32°F
NE
7 mph
2100
32°F
NE
11 mph
March 19, thursday
0000
32°F
E
9 mph
0300
34°F
NE
6 mph
0600
34°F
E
3 mph
0900
34°F
N
3 mph
1200
37°F
N
6 mph
1500
37°F
NW
4 mph
Units of measurement: °C / °F