Peoria County (Peoria)
August
Weather in Peoria County, Illinois for August 2026
Your guide to Peoria County weather in August - trends and predictions
In general, the average temperature in Peoria County at the beginning of August is 28.1 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 29 °F by the end of August.
Peoria County experiences moderate rainfall in August, with an average of 9 rainy days and a total precipitation of 136.5 mm.
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Temperatures
Rain 🌧️
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22
Dry days
9
Rainy days
0
Snow days
27°/17°
Temperatures
19 km/h
Avg max wind
74 %
Avg humidity
Peoria County Weather August
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Temperatures trend during August in Peoria County
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August weather in Peoria County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Aug. 1 |  Partly cloudy | 29° /18° | 0.1 mm | 7 | |
| Aug. 2 |  Light rain shower | 26° /16° | 0.3 mm | 6 | |
| Aug. 3 | Patchy rain possible | 28° /16° | 0.4 mm | 6 | |
| Aug. 4 |  Sunny | 28° /16° | 2.4 mm | 7 | |
| Aug. 5 | Partly cloudy | 29° /20° | 0 mm | 7 | |
| Aug. 6 | Patchy rain possible | 29° /18° | 0 mm | 6 | |
| Aug. 7 | Patchy rain possible | 28° /18° | 0 mm | 7 | |
| Aug. 8 | Patchy rain possible | 28° /19° | 0.1 mm | 6 | |
| Aug. 9 |  Mist | 28° /16° | 0 mm | 7 | |
| Aug. 10 | Partly cloudy | 25° /16° | 11.8 mm | 6 | |
| Aug. 11 | Partly cloudy | 27° /17° | 5.7 mm | 7 | |
| Aug. 12 | Light rain shower | 25° /18° | 13.9 mm | 6 | |
| Aug. 13 | Sunny | 28° /16° | 0 mm | 7 | |
| Aug. 14 | Mist | 29° /15° | 0 mm | 7 | |
| Aug. 15 | Light rain shower | 30° /18° | 32.4 mm | 7 | |
| Aug. 16 | Patchy rain possible | 32° /21° | 1.9 mm | 7 | |
| Aug. 17 | Light rain shower | 28° /20° | 2 mm | 6 | |
| Aug. 18 | Fog | 29° /20° | 0.1 mm | 7 | |
| Aug. 19 | Mist | 27° /20° | 21 mm | 6 | |
| Aug. 20 | Patchy rain possible | 23° /14° | 0.1 mm | 5 | |
| Aug. 21 |  Overcast | 25° /12° | 0 mm | 6 | |
| Aug. 22 | Overcast | 26° /12° | 0 mm | 6 | |
| Aug. 23 | Sunny | 29° /14° | 0 mm | 7 | |
| Aug. 24 | Partly cloudy | 27° /15° | 0 mm | 7 | |
| Aug. 25 | Patchy rain possible | 24° /14° | 1.3 mm | 6 | |
| Aug. 26 | Patchy rain possible | 30° /13° | 0.3 mm | 7 | |
| Aug. 27 |  Thundery outbreaks possible | 33° /17° | 1.1 mm | 7 | |
| Aug. 28 |  Patchy light rain with thunder | 30° /17° | 4.2 mm | 7 | |
| Aug. 29 | Mist | 30° /16° | 0.6 mm | 7 | |
| Aug. 30 |  Moderate rain at times | 29° /16° | 11.4 mm | 7 | |
| Aug. 31 | Fog | 27° /15° | 0.1 mm | 6 | |
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Important Notice
Our weather forecast for Peoria 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 Peoria County forecast closer to your planned date for the most up-to-date weather information.
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Peoria County in August - FAQ
What are the expected maximum and minimum temperatures in Peoria County during August?
During August, expect a variety of temperatures with highs around 27° and lows near 17°, suitable for diverse activities and preferences.
How much rainfall should be expected in Peoria County during August?
Significant rainfall exceeding 136.5 mm is expected in Peoria County during August, occurring over more than 9 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Peoria County during August?
The average wind speed in Peoria County during August is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Peoria County
Explore the daily rainfall trends and prepare for Peoria Countys August weather 💧
UV exposure in Peoria County during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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