Green Bay weather live forecast

Today's maximum temperature in Green Bay is expected to be 27°C. Select a day from the live weather forecast for Green Bay, Wisconsin, USA for more weather parameters.

Wednesday
2nd Sep
27

21

5

6
Thursday
3rd Sep
23

20

2

5
Friday
4th Sep
25

20

2

4
Saturday
5th Sep
26

20

5

6
Sunday
6th Sep
28

19

5

5

5-day weather forecast updated at 04:01 on Wednesday 2nd September 2026 GMT

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The 5-day weather forecast for Wisconsin (Green Bay) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Green Bay weather forecast by day

Below are the detailed weather forecasts for Green Bay for the next 5 days.

Green Bay weather for Wednesday 2nd September 2026

Expect isolated thunderstorms in Green Bay, Wisconsin with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 6 (High) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 65% chance of some rain and a light breeze of 7 kph from the west.

27
°C maximum temperature
21
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
6
UV index (High)
65
% chance of some rain
<10
mm of rainfall expected
L
low heat & humidity
7
kph wind from W

Green Bay weather for Thursday 3rd September 2026

Expect isolated thunderstorms in Green Bay, Wisconsin with a maximum temperature of 23°C, maximum UV of 5 (Moderate) and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 50% chance of some rain and a light breeze of 10 kph from the east.

23
°C maximum temperature
20
°C minimum temperature
isolated thunderstorms
2
hours of sunshine
5
UV index (Moderate)
50
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
10
kph wind from E

Green Bay weather for Friday 4th September 2026

Expect isolated thunderstorms in Green Bay, Wisconsin with a maximum temperature of 25°C, low levels of heat & humidity, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 54% chance of some rain and a light breeze of 8 kph from the east.

25
°C maximum temperature
20
°C minimum temperature
isolated thunderstorms
2
hours of sunshine
4
UV index (Moderate)
54
% chance of some rain
<20
mm of rainfall expected
L
low heat & humidity
8
kph wind from E

Green Bay weather for Saturday 5th September 2026

Expect broken clouds in Green Bay, Wisconsin with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 6 (High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the east.

26
°C maximum temperature
20
°C minimum temperature
broken clouds
5
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
8
kph wind from E

Green Bay weather for Sunday 6th September 2026

Expect mostly cloudy with rain in Green Bay, Wisconsin with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 36% chance of some rain and a light breeze of 10 kph from the south.