Measurements:
°C
°F
CURRENT WEATHER
18:50
Green Bay
56°F
NW 3 mph
Feels like: 56°F
Precip: 2%
World Resorts USA Green Bay Weather

7 Day Weather Forecast

10.05
mon
DAY
58°F
S 7 mph
precip
1%
NIGHT
46°F
N 9 mph
precip
11%
10.06
tue
DAY
68°F
NE 20 mph
precip
12%
NIGHT
60°F
NE 14 mph
precip
22%
10.07
wed
DAY
70°F
SE 11 mph
precip
6%
NIGHT
52°F
E 9 mph
precip
2%
10.08
thu
DAY
62°F
SE 13 mph
precip
1%
NIGHT
50°F
N 4 mph
precip
8%
10.09
fri
DAY
62°F
S 4 mph
precip
2%
NIGHT
54°F
NW 11 mph
precip
21%
10.10
sat
DAY
74°F
N 19 mph
precip
3%
NIGHT
66°F
NE 16 mph
precip
13%
10.11
sun
DAY
72°F
NE 14 mph
precip
13%
NIGHT
54°F
SW 17 mph
precip
43%

Green Bay Sea Water Temperature in October, °F

Select Year: 2025 2024 2023

The average sea surface temperature in October 2025 for Green Bay was 15.9°F. The maximum and minimum values were 10.6°F and 20.8°F respectively.

Green Bay on the Weather Map

Best Time to Visit Green Bay
The most sunny months:
August 15 days
July 14 days
October 13 days
The most warm months:
July 82.2 °F
August 80.9 °F
June 76.9 °F
Warmest sea temperature:
July 78.0 °F
August 76.4 °F
September 70.4 °F
The most cold months:
January 20.8 °F
February 24.3 °F
December 28.0 °F
The most rainy months:
June 3 days
April 3 days
September 2 days
The most windy months:
April 11 mph
March 11 mph
November 11 mph
more details