Green Bay, WI 14-Day Forecast
Wisconsin, United States 🇺🇸
72°
Sunny right now
Today: high 82°, low 65°
Updated 6 hours ago
Green Bay weather for the next 14 days
Thursday, August 27
Sunny High 80° Low 61°Precipitation
9%
· 0.0 in
Max wind
14 mph
Humidity
65%
UV index
6 - High
Sunrise / sunset
06:09 AM / 07:38 PM
Friday, August 28
Sunny High 80° Low 58°Precipitation
6%
· 0.0 in
Max wind
13 mph
Humidity
66%
UV index
7 - High
Sunrise / sunset
06:10 AM / 07:36 PM
Saturday, August 29
Overcast High 80° Low 65°Precipitation
66%
· 0.07 in
Max wind
18 mph
Humidity
74%
UV index
6 - High
Sunrise / sunset
06:11 AM / 07:34 PM
Sunday, August 30
Overcast High 88° Low 65°Precipitation
72%
· 0.13 in
Max wind
21 mph
Humidity
70%
UV index
7 - High
Sunrise / sunset
06:12 AM / 07:32 PM
Monday, August 31
Overcast High 87° Low 70°Precipitation
72%
· 0.17 in
Max wind
14 mph
Humidity
64%
UV index
7 - High
Sunrise / sunset
06:13 AM / 07:31 PM
Tuesday, September 1
Sunny High 89° Low 73°Precipitation
17%
· 0.0 in
Max wind
20 mph
Humidity
52%
UV index
8 - Very High
Sunrise / sunset
06:14 AM / 07:29 PM
Wednesday, September 2
Cloudy High 78° Low 64°Precipitation
57%
· 0.05 in
Max wind
12 mph
Humidity
73%
UV index
6 - High
Sunrise / sunset
06:16 AM / 07:27 PM
Thursday, September 3
Overcast High 73° Low 62°Precipitation
40%
· 0.01 in
Max wind
8 mph
Humidity
80%
UV index
5 - Moderate
Sunrise / sunset
06:17 AM / 07:25 PM
Friday, September 4
Sunny High 81° Low 63°Precipitation
7%
· 0.0 in
Max wind
14 mph
Humidity
71%
UV index
7 - High
Sunrise / sunset
06:18 AM / 07:23 PM
Saturday, September 5
Sunny High 84° Low 66°Precipitation
57%
· 0.05 in
Max wind
12 mph
Humidity
64%
UV index
7 - High
Sunrise / sunset
06:19 AM / 07:22 PM
Sunday, September 6
Overcast High 86° Low 60°Precipitation
17%
· 0.0 in
Max wind
10 mph
Humidity
40%
UV index
7 - High
Sunrise / sunset
06:20 AM / 07:20 PM
Monday, September 7
Light rain shower High 71° Low 64°Precipitation
86%
· 0.26 in
Max wind
7 mph
Humidity
87%
UV index
4 - Moderate
Sunrise / sunset
06:21 AM / 07:18 PM
Tuesday, September 8
Overcast High 66° Low 56°Precipitation
61%
· 0.06 in
Max wind
12 mph
Humidity
76%
UV index
5 - Moderate
Sunrise / sunset
06:23 AM / 07:16 PM
Green Bay 14-day outlook: the story
The warmest day of Green Bay's 14-day outlook is Tuesday, September 1 with a high near 89°F (32°C); the coolest night comes Tuesday, September 8, dipping to 56°F (13°C). The trend points cooler: week two runs about 7°F below week one. Highs over the next two weeks average 84°F (29°C), about 5°F (3°C) above the typical August high of 79°F (26°C).
Precipitation is most likely on Saturday 29, Sunday 30, Monday 31, Wednesday 2 and beyond; the wettest day looks like Monday, September 7 with about 0.26 in (6.7 mm) expected. For the weekend, expect Saturday 80°F (26°C) and overcast / Sunday 88°F (31°C) and overcast.
For typical conditions month by month, see the Green Bay climate & average temperatures guide.
Green Bay forecast questions
Will it rain in Green Bay this week?
The forecast currently shows meaningful precipitation chances on 7 of the next 14 days, peaking around Monday, September 7.
What will be the warmest day in Green Bay over the next 14 days?
Tuesday, September 1, with a forecast high near 89°F (32°C).
How accurate is a 14-day forecast for Green Bay?
Days 1-3 are highly reliable, days 4-7 capture the overall pattern well, and days 8-14 indicate trends rather than exact figures - check back as the date approaches; this page refreshes throughout the day.
Average temperatures in Green Bay by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 27° | 14° | 7 | 1.5 in | 5.2 h/day | 76% |
| February | 30° | 13° | 7 | 1.4 in | 7.2 h/day | 71% |
| March | 42° | 25° | 10 | 2.6 in | 8.1 h/day | 67% |
| April | 53° | 35° | 13 | 3.5 in | 8.9 h/day | 66% |
| May | 67° | 48° | 11 | 3.7 in | 10.6 h/day | 65% |
| June | 77° | 59° | 11 | 3.8 in | 11.9 h/day | 66% |
| July | 82° | 64° | 11 | 3.8 in | 12.7 h/day | 68% |
| August | 79° | 63° | 11 | 3.8 in | 11.3 h/day | 71% |
| September | 73° | 57° | 9 | 2.8 in | 9.7 h/day | 73% |
| October | 59° | 44° | 11 | 3.3 in | 7.1 h/day | 71% |
| November | 45° | 31° | 7 | 2.1 in | 6.1 h/day | 70% |
| December | 33° | 21° | 8 | 2.3 in | 4.6 h/day | 75% |