Green Bay, WI 14-Day Forecast

Wisconsin, United States 🇺🇸
77°
Sunny right now Today: high 88°, low 65°
Updated 5 hours ago

Green Bay weather for the next 14 days

Today

Sunny High 88° Low 65°
Precipitation
10% · 0.0 in
13 mph
6 - High
Sunrise / sunset
05:51 AM / 08:02 PM

Thursday, August 13

Partly Cloudy High 78° Low 63°
Precipitation
8% · 0.0 in
Max wind
6 mph
Humidity
68%
UV index
3 - Low
Sunrise / sunset
05:52 AM / 08:01 PM

Friday, August 14

Sunny High 83° Low 62°
Precipitation
4% · 0.0 in
Max wind
12 mph
Humidity
57%
UV index
8 - High
Sunrise / sunset
05:53 AM / 07:59 PM

Saturday, August 15

Patchy rain nearby High 81° Low 65°
Precipitation
74% · 0.1 in
Max wind
17 mph
Humidity
82%
UV index
3 - Moderate
Sunrise / sunset
05:55 AM / 07:58 PM

Sunday, August 16

Sunny High 81° Low 60°
Precipitation
8% · 0.0 in
Max wind
12 mph
Humidity
73%
UV index
7 - High
Sunrise / sunset
05:56 AM / 07:56 PM

Monday, August 17

Sunny High 85° Low 57°
Precipitation
4% · 0.0 in
Max wind
9 mph
Humidity
61%
UV index
7 - High
Sunrise / sunset
05:57 AM / 07:54 PM

Tuesday, August 18

Partly Cloudy High 89° Low 66°
Precipitation
57% · 0.1 in
Max wind
18 mph
Humidity
72%
UV index
8 - Very High
Sunrise / sunset
05:58 AM / 07:53 PM

Wednesday, August 19

Sunny High 85° Low 60°
Precipitation
72% · 4.46 in
Max wind
14 mph
Humidity
75%
UV index
7 - High
Sunrise / sunset
05:59 AM / 07:51 PM

Thursday, August 20

Sunny High 77° Low 57°
Precipitation
6% · 0.0 in
Max wind
15 mph
Humidity
69%
UV index
7 - High
Sunrise / sunset
06:00 AM / 07:50 PM

Friday, August 21

Sunny High 66° Low 49°
Precipitation
66% · 0.37 in
Max wind
10 mph
Humidity
67%
UV index
5 - Moderate
Sunrise / sunset
06:02 AM / 07:48 PM

Saturday, August 22

Partly Cloudy High 66° Low 51°
Precipitation
18% · 0.0 in
Max wind
3 mph
Humidity
80%
UV index
5 - Moderate
Sunrise / sunset
06:03 AM / 07:46 PM

Sunday, August 23

Partly Cloudy High 68° Low 55°
Precipitation
9% · 0.0 in
Max wind
8 mph
Humidity
74%
UV index
5 - Moderate
Sunrise / sunset
06:04 AM / 07:45 PM

Monday, August 24

Partly Cloudy High 76° Low 57°
Precipitation
49% · 0.04 in
Max wind
7 mph
Humidity
74%
UV index
6 - High
Sunrise / sunset
06:05 AM / 07:43 PM

Tuesday, August 25

Partly Cloudy High 75° Low 58°
Precipitation
9% · 0.0 in
Max wind
7 mph
Humidity
73%
UV index
6 - High
Sunrise / sunset
06:06 AM / 07:41 PM

Green Bay 14-day outlook: the story

The warmest day of Green Bay's 14-day outlook is Tuesday, August 18 with a high near 89°F (32°C); the coolest night comes Friday, August 21, dipping to 49°F (10°C). The trend points cooler: week two runs about 10°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 15, Tuesday 18, Wednesday 19, Friday 21; the wettest day looks like Wednesday, August 19 with about 4.46 in (113.4 mm) expected. For the weekend, expect Saturday 81°F (27°C) and patchy rain nearby / Sunday 81°F (27°C) and sunny.

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 4 of the next 14 days, peaking around Wednesday, August 19.
What will be the warmest day in Green Bay over the next 14 days?
Tuesday, August 18, 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

Monthly averages for Green Bay based on 2015–2024 weather data.
MonthHighLow Rain daysPrecipitation SunshineHumidity
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%
14-day forecasts nearby