Measurements:
°C
°F
Green Bay
46°F
SW 12 mph
Feels like: 40°F
Precip: 19%
World Resorts USA Green Bay Weather

7 Day Weather Forecast

10.26
mon
DAY
52°F
SW 14 mph
precip
14%
NIGHT
46°F
SW 12 mph
precip
19%
10.27
tue
DAY
56°F
NW 13 mph
precip
16%
NIGHT
54°F
N 8 mph
precip
25%
10.28
wed
DAY
68°F
NE 11 mph
precip
2%
NIGHT
66°F
NE 17 mph
precip
25%
10.29
thu
DAY
62°F
S 12 mph
precip
11%
NIGHT
46°F
S 7 mph
precip
7%
10.30
fri
DAY
50°F
SW 6 mph
precip
14%
NIGHT
42°F
NW 6 mph
precip
21%
10.31
sat
DAY
52°F
NW 11 mph
precip
28%
NIGHT
52°F
NW 4 mph
precip
31%
11.01
sun
DAY
58°F
W 2 mph
precip
42%
NIGHT
52°F
S 4 mph
precip
43%

Green Bay Sea Water Temperature in October, °F

Select Year: 2026 2025 2024

The average sea surface temperature in October 2026 for Green Bay was 15.5°F. The maximum and minimum values were 12.4°F and 18.2°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