Measurements:
°C
°F
Green Bay
86°F
NE 15 mph
Feels like: 88°F
Precip: 2%
World Resorts USA Green Bay Weather

7 Day Weather Forecast

08.25
tue
DAY
76°F
NE 9 mph
precip
14%
NIGHT
68°F
N 10 mph
precip
31%
08.26
wed
DAY
84°F
E 15 mph
precip
7%
NIGHT
66°F
S 6 mph
precip
12%
08.27
thu
DAY
84°F
SE 8 mph
precip
1%
NIGHT
62°F
SW 12 mph
precip
9%
08.28
fri
DAY
76°F
W 6 mph
precip
5%
NIGHT
58°F
NW 8 mph
precip
17%
08.29
sat
DAY
80°F
NE 14 mph
precip
8%
NIGHT
70°F
N 14 mph
precip
30%
08.30
sun
DAY
84°F
NE 18 mph
precip
18%
NIGHT
68°F
W 7 mph
precip
8%
08.31
mon
DAY
76°F
NW 12 mph
precip
40%
NIGHT
70°F
N 9 mph
precip
72%

Green Bay Sea Water Temperature in August, °F

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Green Bay was 24.4°F. The maximum and minimum values were 22.2°F and 25.8°F respectively.

Green Bay on the Weather Map

Best Time to Visit Green Bay
The most sunny months:
July 14 days
August 14 days
September 13 days
The most warm months:
July 82.2 °F
August 80.6 °F
June 76.9 °F
Warmest sea temperature:
July 78.0 °F
August 76.5 °F
June 70.2 °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
July 2 days
The most windy months:
April 11 mph
March 11 mph
November 11 mph