Measurements:
°C
°F
CURRENT WEATHER
12:20
Green Bay
78°F
NE 14 mph
Feels like: 80°F
Precip: 0%
World Resorts USA Green Bay Weather

7 Day Weather Forecast

04.23
thu
DAY
78°F
NE 14 mph
precip
0%
NIGHT
62°F
N 11 mph
precip
100%
04.24
fri
DAY
62°F
E 16 mph
precip
0%
NIGHT
44°F
S 6 mph
precip
0%
04.25
sat
DAY
52°F
S 6 mph
precip
0%
NIGHT
42°F
W 4 mph
precip
0%
04.26
sun
DAY
58°F
NW 9 mph
precip
0%
NIGHT
46°F
W 7 mph
precip
0%
04.27
mon
DAY
58°F
W 15 mph
precip
0%
NIGHT
56°F
NW 16 mph
precip
100%
04.28
tue
DAY
52°F
NE 19 mph
precip
79%
NIGHT
46°F
NE 19 mph
precip
100%
04.29
wed
DAY
42°F
E 19 mph
precip
100%
NIGHT
40°F
E 16 mph
precip
0%

Green Bay Sea Water Temperature in April, °F

Select Year: 2026 2025 2024

The average sea surface temperature in April 2026 for Green Bay was 3.7°F. The maximum and minimum values were 2.3°F and 6.1°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