World Resorts USA Green Bay Weather

Green Bay 7 Days Forecast

23.08
sun
Day
72°F
S 14 mph
Precip.
3%
Night
59°F
S 7 mph
Precip.
5%
24.08
mon
Day
72°F
SE 8 mph
Precip.
2%
Night
59°F
N 7 mph
Precip.
21%
25.08
tue
Day
73°F
NE 12 mph
Precip.
12%
Night
66°F
N 12 mph
Precip.
39%
26.08
wed
Day
79°F
E 14 mph
Precip.
1%
Night
63°F
SE 7 mph
Precip.
12%
27.08
thu
Day
79°F
SE 9 mph
Precip.
1%
Night
61°F
SW 14 mph
Precip.
7%
28.08
fri
Day
66°F
SW 7 mph
Precip.
2%
Night
63°F
N 9 mph
Precip.
18%
29.08
sat
Day
70°F
NE 10 mph
Precip.
12%
Night
66°F
N 6 mph
Precip.
24%

Sea water temperature in August, °F

Show year:
2026
2025
2024

The average sea water temperature in August of 2026 was 76.2°F. The highest and lowest sea temperatures during the month were 78.4°F and 73.8°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.

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:
July 14 days
August 14 days
September 13 days
Warmest months:
July 79.0 °F
August 77.5 °F
June 74.2 °F
Warmest sea temp:
July 75.2 °F
August 73.9 °F
June 68.2 °F
Coldest months:
January 23.7 °F
February 26.8 °F
December 30.2 °F
Rainiest months:
June 3 days
April 3 days
July 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
S 7 mph
Feels like: +57°F
Precip.: 5%
Places in USA:
Name
°F
+66°F
+68°F
+79°F
+95°F
+75°F
+81°F
+66°F
+79°F
+66°F
+73°F
+57°F
+70°F
+79°F
+81°F
+70°F
24 Hours Forecast
Green Bay
Local time: 23:57
August 24, monday
0000
59°F
S
7 mph
0300
54°F
SE
7 mph
0600
52°F
SE
7 mph
0900
61°F
SE
7 mph
1200
72°F
SE
8 mph
1500
75°F
S
6 mph
1800
75°F
S
4 mph
2100
64°F
N
10 mph
Units of measurement: °C / °F