Measurements:
°C
°F
CURRENT WEATHER
11:13
Green Bay
66°F
NW 2 mph
Feels like: 66°F
Precip: 0%
World Resorts USA Green Bay Weather

7 Day Weather Forecast

05.14
thu
DAY
66°F
NW 2 mph
precip
0%
NIGHT
48°F
N 12 mph
precip
0%
05.15
fri
DAY
64°F
NE 17 mph
precip
0%
NIGHT
60°F
N 12 mph
precip
0%
05.16
sat
DAY
76°F
E 8 mph
precip
0%
NIGHT
52°F
W 10 mph
precip
0%
05.17
sun
DAY
60°F
NW 9 mph
precip
0%
NIGHT
66°F
N 15 mph
precip
0%
05.18
mon
DAY
78°F
NE 22 mph
precip
87%
NIGHT
64°F
N 13 mph
precip
100%
05.19
tue
DAY
56°F
E 24 mph
precip
20%
NIGHT
46°F
E 16 mph
precip
0%
05.20
wed
DAY
58°F
E 19 mph
precip
0%
NIGHT
50°F
NW 6 mph
precip
100%

Green Bay Sea Water Temperature in May, °F

Select Year: 2025 2024 2023

The average sea surface temperature in May 2025 for Green Bay was 14.4°F. The maximum and minimum values were 10.4°F and 17.3°F respectively.

Green Bay on the Weather Map

Best Time to Visit Green Bay
The most sunny months:
August 14 days
September 13 days
October 13 days
The most warm months:
July 81.2 °F
August 80.6 °F
June 76.5 °F
Warmest sea temperature:
July 77.6 °F
August 76.2 °F
September 70.1 °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
August 2 days
The most windy months:
April 11 mph
March 11 mph
November 11 mph
more details