Green Bay (WI)
August
Weather in Green Bay, Wisconsin for August 2026
Your guide to Green Bay weather in August - trends and predictions
In general, the average temperature in Green Bay at the beginning of August is 26.3 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 23.9 °C by the end of August.
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.
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Temperatures
Rain 🌧️
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18
Dry days
13
Rainy days
0
Snow days
24°/15°
Temperatures
18 km/h
Avg max wind
78 %
Avg humidity
Green Bay Weather August
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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
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Aug. 1 |  Light rain shower | 25° /16° | 4.6 mm | 6 | |
| Aug. 2 | Patchy rain possible | 28° /15° | 0.6 mm | 7 | |
| Aug. 3 |  Sunny | 28° /16° | 0 mm | 7 | |
| Aug. 4 | Sunny | 28° /17° | 1.6 mm | 7 | |
| Aug. 5 | Patchy rain possible | 26° /14° | 8.9 mm | 6 | |
| Aug. 6 | Patchy rain possible | 25° /14° | 4.8 mm | 6 | |
| Aug. 7 |  Overcast | 24° /14° | 6.1 mm | 6 | |
| Aug. 8 | Light rain shower | 26° /16° | 1.7 mm | 6 | |
| Aug. 9 | Patchy rain possible | 26° /16° | 0.2 mm | 6 | |
| Aug. 10 | Patchy rain possible | 22° /15° | 5 mm | 5 | |
| Aug. 11 |  Partly cloudy | 24° /15° | 0 mm | 6 | |
| Aug. 12 | Patchy rain possible | 24° /16° | 5.4 mm | 6 | |
| Aug. 13 | Patchy rain possible | 26° /15° | 0.3 mm | 6 | |
| Aug. 14 | Patchy rain possible | 26° /16° | 0 mm | 6 | |
| Aug. 15 |  Moderate rain | 24° /16° | 11.8 mm | 5 | |
| Aug. 16 | Light rain shower | 27° /19° | 63.5 mm | 6 | |
| Aug. 17 | Light rain shower | 23° /16° | 3.6 mm | 5 | |
| Aug. 18 | Patchy rain possible | 23° /16° | 0.6 mm | 5 | |
| Aug. 19 | Light rain shower | 22° /15° | 0.1 mm | 5 | |
| Aug. 20 | Sunny | 20° /10° | 0 mm | 6 | |
| Aug. 21 | Overcast | 24° /13° | 0 mm | 6 | |
| Aug. 22 | Sunny | 23° /13° | 0 mm | 6 | |
| Aug. 23 | Partly cloudy | 23° /14° | 0.8 mm | 6 | |
| Aug. 24 | Patchy rain possible | 23° /13° | 0.1 mm | 5 | |
| Aug. 25 | Sunny | 23° /13° | 0 mm | 6 | |
| Aug. 26 | Patchy rain possible | 26° /13° | 0.4 mm | 6 | |
| Aug. 27 |  Thundery outbreaks possible | 28° /15° | 0.5 mm | 7 | |
| Aug. 28 |  Mist | 20° /13° | 14.6 mm | 5 | |
| Aug. 29 |  Cloudy | 22° /10° | 0 mm | 5 | |
| Aug. 30 |  Light drizzle | 23° /12° | 4.8 mm | 5 | |
| Aug. 31 | Sunny | 25° /10° | 0 mm | 6 | |
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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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