Measurements:
°C
°F
Green Bay
34°F
E 14 mph
Feels like: 28°F
Precip: 0%
World Resorts USA Green Bay Weather

7 Day Weather Forecast

04.03
fri
DAY
40°F
SE 6 mph
precip
0%
NIGHT
30°F
W 18 mph
precip
0%
04.04
sat
DAY
36°F
S 4 mph
precip
100%
NIGHT
32°F
E 19 mph
precip
0%
04.05
sun
DAY
34°F
SE 17 mph
precip
0%
NIGHT
32°F
E 9 mph
precip
100%
04.06
mon
DAY
38°F
SE 17 mph
precip
100%
NIGHT
22°F
S 11 mph
precip
0%
04.07
tue
DAY
30°F
SE 6 mph
precip
0%
NIGHT
26°F
N 10 mph
precip
0%
04.08
wed
DAY
42°F
N 22 mph
precip
0%
NIGHT
42°F
N 19 mph
precip
0%
04.09
thu
DAY
58°F
NE 20 mph
precip
0%
NIGHT
56°F
NE 19 mph
precip
0%

Green Bay Sea Water Temperature in April, °F

Select Year: 2025 2024 2023

The average sea surface temperature in April 2025 for Green Bay was 6.0°F. The maximum and minimum values were 2.3°F and 11.0°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