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United States weather

Weather in Green Bay, Wisconsin for August 2026

Your guide to Green Bay weather in August - trends and predictions

    Temperatures

  • So far, August 2026 in Green Bay is slightly warmer than the historical average by 0.9 °F.

  • The forecast for the next days in Green Bay predicts temperatures to be around 27 °F, close to the historical average.

  • In general, the average temperature in Green Bay at the beginning of August is 26.7 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 23.9 °F by the end of August.

    • Rain 🌧️

  • The climate of Green Bay in August is notably wet, with an average of 13 rainy days, and a total of 140 mm of precipitation.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
18
Dry days
Average rainy days
13
Rainy days
Average snowy days
0
Snow days
Average temperatures
24°/15°
Temperatures
Average wind speed
18 km/h
Avg max wind
Average humidity
78 %
Avg humidity

Green Bay Weather August

Move between months or click on a day
July
September
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Light rain shower
26°
2
Patchy rain possible
27°
3
Sunny
28°
4
Sunny
29°
5
Patchy rain possible
25°
6
Patchy rain possible
26°
7
Overcast
26°
8
Light rain shower
27°
9
Sunny
27°
10
Sunny
31°
11
Sunny
27°
12
Sunny
28°
13
Sunny
26°
14
Partly cloudy
25°
15
Light rain shower
21°
16
Patchy rain possible
23°
17
Patchy rain possible
24°
18
Sunny
30°
19
Sunny
29°
20
Sunny
31°
21
Sunny
23°
22
Sunny
27°
23
Partly cloudy
23°
24
Patchy rain possible
23°
25
Sunny
23°
26
Patchy rain possible
26°
27
Thundery outbreaks possible
28°
28
Mist
20°
29
Cloudy
22°
30
Light drizzle
23°
31
Sunny
25°

Temperatures trend during August in Green Bay

See the weather trend as well as the moving average line

August weather in Green Bay day by day

Click on a date for more information
July September
Date Weather Temperatures Rain UV More
Aug. 1 Light rain shower
Light rain shower
 26° /16° 5.2 mm 7
Aug. 2 Patchy rain possible
Patchy rain possible
 27° /16° 0.8 mm 8
Aug. 3 Sunny
Sunny
 28° /15° 0 mm 8
Aug. 4 Sunny
Sunny
 29° /17° 1.4 mm 8
Aug. 5 Patchy rain possible
Patchy rain possible
 25° /15° 8.4 mm 7
Aug. 6 Patchy rain possible
Patchy rain possible
 26° /14° 3.2 mm 7
Aug. 7 Overcast
Overcast
 26° /15° 4.1 mm 7
Aug. 8 Light rain shower
Light rain shower
 27° /16° 1.1 mm 7
Aug. 9 Sunny
Sunny
 27° /15° 1.8 mm 4.4
Aug. 10 Sunny
Sunny
 31° /18° 0.3 mm 5.8
Aug. 11 Sunny
Sunny
 27° /18° 0.8 mm 3.8
Aug. 12 Sunny
Sunny
 28° /16° 0 mm 6.1
Aug. 13 Sunny
Sunny
 26° /16° 0 mm 6.1
Aug. 14 Partly cloudy
Partly cloudy
 25° /16° 0.2 mm 7
Aug. 15 Light rain shower
Light rain shower
 21° /16° 22.9 mm 4
Aug. 16 Patchy rain possible
Patchy rain possible
 23° /16° 1.1 mm 5
Aug. 17 Patchy rain possible
Patchy rain possible
 24° /18° 0.4 mm 6
Aug. 18 Sunny
Sunny
 30° /19° 0.4 mm 7
Aug. 19 Sunny
Sunny
 29° /16° 0 mm 7
Aug. 20 Sunny
Sunny
 31° /18° 5.3 mm 8
Aug. 21 Sunny
Sunny
 23° /15° 0 mm 6
Aug. 22 Sunny
Sunny
 27° /12° 0.1 mm 7
Aug. 23 Partly cloudy
Partly cloudy
 23° /14° 0.8 mm 6
Aug. 24 Patchy rain possible
Patchy rain possible
 23° /13° 0.1 mm 5
Aug. 25 Sunny
Sunny
 23° /13° 0 mm 6
Aug. 26 Patchy rain possible
Patchy rain possible
 26° /13° 0.4 mm 6
Aug. 27 Thundery outbreaks possible
Thundery outbreaks possible
 28° /15° 0.5 mm 7
Aug. 28 Mist
Mist
 20° /13° 14.6 mm 5
Aug. 29 Cloudy
Cloudy
 22° /10° 0 mm 5
Aug. 30 Light drizzle
Light drizzle
 23° /12° 4.8 mm 5
Aug. 31 Sunny
Sunny
 25° /10° 0 mm 6
Next
Important Notice
Our weather forecast for Green Bay in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Green Bay forecast closer to your planned date for the most up-to-date weather information.
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Green Bay in August - FAQ

What are the expected maximum and minimum temperatures in Green Bay during August?
During August, expect a variety of temperatures with highs around 24° and lows near 15°, suitable for diverse activities and preferences.

How much rainfall should be expected in Green Bay during August?
Significant rainfall exceeding 140 mm is expected in Green Bay during August, occurring over more than 13 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Green Bay during August?
The average wind speed in Green Bay during August is 18 km/h, suggesting breezy to windy conditions, depending on your activities.

August rainfall patterns in Green Bay

Explore the daily rainfall trends and prepare for Green Bays August weather 💧
Typically, Green Bay has 13 rainy days in August with a total of 140 mm of rainfall.

UV exposure in Green Bay during August

Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️

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Location coordinates Where is Green Bay?

Get accurate weather forecasts for Green Bay, located at latitude 44.519 and longitude -88.02. Stay updated with localized weather information tailored for Green Bay.

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