McLean County (Bloomington)
August
Weather in McLean County, Illinois for August 2026
Your guide to McLean County weather in August - trends and predictions
In general, the average temperature in McLean County at the beginning of August is 26.3 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 23.6 °F by the end of August.
McLean County experiences moderate rainfall in August, with an average of 7 rainy days and a total precipitation of 63.6 mm.
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Temperatures
Rain 🌧️
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24
Dry days
7
Rainy days
0
Snow days
27°/16°
Temperatures
16 km/h
Avg max wind
81 %
Avg humidity
McLean County Weather August
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Temperatures trend during August in McLean County
See the weather trend as well as the moving average line
August weather in McLean County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Aug. 1 |  Overcast | 24° /14° | 0 mm | 12 | |
| Aug. 2 |  Fog | 26° /12° | 0 mm | 10 | |
| Aug. 3 |  Partly cloudy | 26° /13° | 0 mm | 11 | |
| Aug. 4 |  Thundery outbreaks possible | 26° /14° | 0 mm | 11 | |
| Aug. 5 | Fog | 26° /17° | 0 mm | 3 | |
| Aug. 6 | Mist | 28° /17° | 0 mm | 11 | |
| Aug. 7 |  Cloudy | 28° /20° | 0 mm | 10 | |
| Aug. 8 | Thundery outbreaks possible | 31° /23° | 0 mm | 9 | |
| Aug. 9 | Thundery outbreaks possible | 33° /22° | 0 mm | 11 | |
| Aug. 10 |  Light rain shower | 27° /23° | 6.2 mm | 2 | |
| Aug. 11 | Overcast | 29° /22° | 0 mm | 8 | |
| Aug. 12 | Light rain shower | 32° /21° | 30.5 mm | 10 | |
| Aug. 13 | Fog | 27° /19° | 9.9 mm | 5 | |
| Aug. 14 | Mist | 28° /16° | 0 mm | 10 | |
| Aug. 15 | Cloudy | 29° /16° | 0 mm | 10 | |
| Aug. 16 | Thundery outbreaks possible | 33° /22° | 0 mm | 10 | |
| Aug. 17 |  Moderate or heavy rain shower | 32° /22° | 4.5 mm | 8 | |
| Aug. 18 | Light rain shower | 29° /22° | 4 mm | 4 | |
| Aug. 19 | Light rain shower | 29° /23° | 7.2 mm | 5 | |
| Aug. 20 | Fog | 27° /17° | 0 mm | 7 | |
| Aug. 21 | Mist | 23° /16° | 0 mm | 4 | |
| Aug. 22 | Fog | 25° /15° | 0 mm | 3 | |
| Aug. 23 | Cloudy | 28° /15° | 0 mm | 9 | |
| Aug. 24 | Partly cloudy | 23° /12° | 0 mm | 10 | |
| Aug. 25 | Cloudy | 19° /9° | 0 mm | 9 | |
| Aug. 26 | Mist | 23° /5° | 0 mm | 9 | |
| Aug. 27 | Partly cloudy | 25° /11° | 0 mm | 9 | |
| Aug. 28 | Overcast | 26° /12° | 0 mm | 9 | |
| Aug. 29 | Fog | 25° /12° | 0 mm | 8 | |
| Aug. 30 | Thundery outbreaks possible | 23° /13° | 1.3 mm | 6 | |
| Aug. 31 | Mist | 24° /13° | 0 mm | 7 | |
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Important Notice
Our weather forecast for McLean 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 McLean County forecast closer to your planned date for the most up-to-date weather information.
Change Month
McLean County in August - FAQ
What are the expected maximum and minimum temperatures in McLean County during August?
During August, expect a variety of temperatures with highs around 27° and lows near 16°, suitable for diverse activities and preferences.
How much rainfall should be expected in McLean County during August?
Moderate rainfall is anticipated in McLean County during August, with a total of 63.6 mm spread over approximately 7 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in McLean County during August?
The average wind speed in McLean County during August is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in McLean County
Explore the daily rainfall trends and prepare for McLean Countys August weather 💧
Typically, McLean County has 7 rainy days in August with a total of 63.6 mm of rainfall.
UV exposure in McLean County during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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