Winnebago County (Rockford)
August
Weather in Winnebago County for August 2025
Your guide to Winnebago County weather in August - trends and predictions
In general, the average temperature in Winnebago County at the beginning of August is 27.3 °F. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 29.4 °F by the end of August.
Winnebago County sees moderate rainfall in August, averaging 9 rainy days.
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22
Dry days
9
Rainy days
0
Snow days
30°/16°
Temperatures
20 km/h
Avg max wind
65 %
Avg humidity
Winnebago County in August average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  29° | 2  28° | 3  30° | ||||
| 4 29° | 5 28° | 6 22° | 7 25° | 8  25° | 9 24° | 10 25° |
| 11  27° | 12 24° | 13 27° | 14 23° | 15 25° | 16  27° | 17 24° |
| 18  25° | 19 27° | 20 28° | 21 26° | 22 29° | 23 31° | 24 33° |
| 25  32° | 26 29° | 27 30° | 28 31° | 29 30° | 30 27° | 31 27° |
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Temperatures trend during August in Winnebago County
See the weather trend as well as the moving average line
August weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Aug. 1 | Patchy rain possible | 29° /19° | 10.4 mm | 6 | |
| Aug. 2 | Cloudy | 28° /18° | 0.9 mm | 6 | |
| Aug. 3 | Overcast | 30° /19° | 0.8 mm | 7 | |
| Aug. 4 | Patchy rain possible | 29° /18° | 0.4 mm | 7 | |
| Aug. 5 | Patchy rain possible | 28° /17° | 5.9 mm | 6 | |
| Aug. 6 | Overcast | 22° /16° | 4.6 mm | 5 | |
| Aug. 7 | Overcast | 25° /15° | 0 mm | 6 | |
| Aug. 8 | Moderate rain at times | 25° /13° | 1.3 mm | 6 | |
| Aug. 9 | Overcast | 24° /11° | 0.1 mm | 5 | |
| Aug. 10 | Overcast | 25° /12° | 0 mm | 6 | |
| Aug. 11 | Heavy rain at times | 27° /14° | 1.5 mm | 6 | |
| Aug. 12 | Heavy rain at times | 24° /16° | 5.4 mm | 6 | |
| Aug. 13 | Moderate rain at times | 27° /14° | 1.3 mm | 6 | |
| Aug. 14 | Moderate or heavy rain shower | 23° /15° | 20 mm | 6 | |
| Aug. 15 | Overcast | 25° /15° | 4.3 mm | 6 | |
| Aug. 16 | Partly cloudy | 27° /15° | 1.9 mm | 7 | |
| Aug. 17 | Moderate or heavy rain shower | 24° /16° | 8.7 mm | 6 | |
| Aug. 18 | Sunny | 25° /13° | 0.1 mm | 6 | |
| Aug. 19 | Sunny | 27° /13° | 0.1 mm | 7 | |
| Aug. 20 | Sunny | 28° /16° | 0 mm | 7 | |
| Aug. 21 | Cloudy | 26° /13° | 0 mm | 6 | |
| Aug. 22 | Overcast | 29° /13° | 0 mm | 7 | |
| Aug. 23 | Overcast | 31° /18° | 0 mm | 7 | |
| Aug. 24 | Partly cloudy | 33° /18° | 0.1 mm | 8 | |
| Aug. 25 | Mist | 32° /19° | 0.5 mm | 7 | |
| Aug. 26 | Overcast | 29° /16° | 1.9 mm | 6 | |
| Aug. 27 | Mist | 30° /17° | 0.6 mm | 7 | |
| Aug. 28 | Sunny | 31° /14° | 3.4 mm | 7 | |
| Aug. 29 | Cloudy | 30° /15° | 0.4 mm | 7 | |
| Aug. 30 | Fog | 27° /12° | 2.8 mm | 6 | |
| Aug. 31 | Mist | 27° /10° | 0 mm | 6 | |
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Important Notice
Our weather forecast for Winnebago County 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 Winnebago County forecast closer to your planned date for the most up-to-date weather information.
Winnebago County in August - FAQ
What are the expected maximum and minimum temperatures in Winnebago County during August?
Expect warm days with temperatures around 30°, cooling to mild conditions of 16° after sunset. Perfect for those who enjoy warm weather.
How much rainfall should be expected in Winnebago County during August?
Moderate rainfall is anticipated in Winnebago County during August, with a total of 77.5 mm spread over approximately 9 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Winnebago County during August?
The average wind speed in Winnebago County during August is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Winnebago County
Explore the daily rainfall trends and prepare for Winnebago Countys August weather 💧
UV exposure in Winnebago County during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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Where is Winnebago County?Get accurate weather forecasts for Winnebago County, located at latitude 42.271 and longitude -89.094. Stay updated with localized weather information tailored for Winnebago County.
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