Winnebago County (Rockford)
August
Weather in Winnebago County, Illinois for August 2027
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 26.9 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 27.3 °C by the end of August.
The climate of Winnebago County in August is notably wet, with an average of 12 rainy days, and a total of 147.4 mm of precipitation.
Is August a good time to visit Winnebago County? check out the best time to travel to Winnebago County page.
✨ Is August a good time to visit Winnebago County? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
19
Dry days
12
Rainy days
0
Snow days
27°/15°
Temperatures
18 km/h
Avg max wind
76 %
Avg humidity
Winnebago County Weather August
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Temperatures trend during August in Winnebago County
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August weather in Winnebago County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Aug. 1 |  Moderate rain | 26° /17° | 20.6 mm | 6 | |
| Aug. 2 |  Cloudy | 26° /15° | 0.5 mm | 7 | |
| Aug. 3 |  Overcast | 29° /16° | 0.4 mm | 8 | |
| Aug. 4 |  Patchy rain possible | 29° /16° | 0.3 mm | 8 | |
| Aug. 5 |  Light rain | 27° /17° | 5 mm | 6 | |
| Aug. 6 | Light rain | 25° /16° | 3.7 mm | 6 | |
| Aug. 7 | Light rain | 27° /17° | 4.5 mm | 7 | |
| Aug. 8 | Patchy rain possible | 28° /17° | 1 mm | 7 | |
| Aug. 9 | Patchy rain possible | 28° /15° | 1 mm | 7 | |
| Aug. 10 |  Heavy rain | 26° /16° | 31.5 mm | 6 | |
| Aug. 11 | Moderate rain | 27° /18° | 16.3 mm | 7 | |
| Aug. 12 |  Moderate or heavy rain shower | 26° /18° | 7.3 mm | 7 | |
| Aug. 13 | Light rain | 27° /16° | 3.3 mm | 7 | |
| Aug. 14 | Moderate rain | 25° /16° | 11.1 mm | 6 | |
| Aug. 15 | Light rain | 27° /16° | 3.9 mm | 5 | |
| Aug. 16 | Light rain | 29° /18° | 3.2 mm | 7 | |
| Aug. 17 | Moderate or heavy rain shower | 26° /17° | 6.3 mm | 7 | |
| Aug. 18 | Light rain | 26° /15° | 8.7 mm | 6 | |
| Aug. 19 | Light rain | 27° /16° | 4.5 mm | 6 | |
| Aug. 20 |  Sunny | 28° /16° | 0 mm | 8 | |
| Aug. 21 | Patchy rain possible | 26° /14° | 1.3 mm | 6 | |
| Aug. 22 | Overcast | 28° /13° | 0 mm | 7 | |
| Aug. 23 | Overcast | 28° /15° | 0 mm | 7 | |
| Aug. 24 |  Partly cloudy | 28° /14° | 0.1 mm | 7 | |
| Aug. 25 | Overcast | 27° /15° | 0.2 mm | 7 | |
| Aug. 26 | Patchy rain possible | 27° /14° | 1.4 mm | 6 | |
| Aug. 27 |  Mist | 28° /15° | 0.3 mm | 7 | |
| Aug. 28 |  Thundery outbreaks possible | 28° /14° | 1.7 mm | 7 | |
| Aug. 29 | Cloudy | 28° /14° | 0.3 mm | 6 | |
| Aug. 30 | Light rain | 26° /14° | 7.6 mm | 5 | |
| Aug. 31 | Patchy rain possible | 28° /13° | 1.5 mm | 5 | |
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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.
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Winnebago County in August - FAQ
What are the expected maximum and minimum temperatures in Winnebago County during August?
During August, expect a variety of temperatures with highs around 27° and lows near 15°, suitable for diverse activities and preferences.
How much rainfall should be expected in Winnebago County during August?
Significant rainfall exceeding 147.4 mm is expected in Winnebago County during August, occurring over more than 12 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Winnebago County during August?
The average wind speed in Winnebago County during August is 18 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 💧
Typically, Winnebago County has 12 rainy days in August with a total of 147.4 mm of rainfall.
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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