Macon County (Decatur)
July
Weather in Macon County, Illinois for July 2026
Your guide to Macon County weather in July - trends and predictions
So far, July 2026 in Macon County is slightly warmer than the historical average by 1.6 °C.
The forecast for the next days in Macon County predicts temperatures to be around 26 °C, close to the historical average.
In general, the average temperature in Macon County at the beginning of July is 29.3 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 27.6 °C by the end of July.
Macon County experiences heavy rainfall in July, with over 20 rainy days and an average total precipitation 236.8 mm.
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Temperatures
Rain 🌧️
More
5
Dry days
26
Rainy days
0
Snow days
29°/20°
Temperatures
15 km/h
Avg max wind
81 %
Avg humidity
Macon County Weather July
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Temperatures trend during July in Macon County
See the weather trend as well as the moving average line
July weather in Macon County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Jul. 1 |  Overcast | 28° /16° | 1.3 mm | 8 | |
| Jul. 2 |  Sunny | 30° /18° | 1 mm | 9 | |
| Jul. 3 |  Light rain shower | 32° /21° | 4 mm | 9 | |
| Jul. 4 | Light rain shower | 30° /21° | 8.5 mm | 8 | |
| Jul. 5 | Light rain shower | 29° /20° | 1.2 mm | 7 | |
| Jul. 6 |  Fog | 27° /18° | 9.7 mm | 7 | |
| Jul. 7 | Sunny | 29° /19° | 8.8 mm | 8 | |
| Jul. 8 | Light rain shower | 30° /18° | 4.2 mm | 8 | |
| Jul. 9 | Light rain shower | 27° /20° | 85.4 mm | 8 | |
| Jul. 10 | Fog | 29° /18° | 4.7 mm | 8 | |
| Jul. 11 | Patchy rain possible | 29° /20° | 8.2 mm | 7 | |
| Jul. 12 | Patchy rain possible | 30° /20° | 0.1 mm | 8 | |
| Jul. 13 |  Moderate or heavy rain with thunder | 29° /19° | 13.1 mm | 8 | |
| Jul. 14 |  Thundery outbreaks possible | 30° /20° | 0 mm | 8 | |
| Jul. 15 | Overcast | 31° /20° | 1.3 mm | 8 | |
| Jul. 16 |  Patchy light rain with thunder | 30° /21° | 1.4 mm | 8 | |
| Jul. 17 | Fog | 27° /20° | 3.5 mm | 8 | |
| Jul. 18 | Patchy rain possible | 27° /18° | 5 mm | 8 | |
| Jul. 19 | Patchy rain possible | 29° /18° | 0 mm | 8 | |
| Jul. 20 | Sunny | 33° /18° | 0 mm | 6.8 | |
| Jul. 21 | Sunny | 29° /20° | 3.6 mm | 9.2 | |
| Jul. 22 | Sunny | 23° /13° | 0.1 mm | 9.7 | |
| Jul. 23 | Sunny | 24° /13° | 0.6 mm | 9.2 | |
| Jul. 24 |  Light rain | 17° /15° | 36.8 mm | 5 | |
| Jul. 25 | Sunny | 25° /13° | 0 mm | 6 | |
| Jul. 26 | Sunny | 27° /17° | 0 mm | 7 | |
| Jul. 27 | Sunny | 28° /19° | 0.1 mm | 7 | |
| Jul. 28 | Mist | 31° /23° | 2.9 mm | 8 | |
| Jul. 29 | Sunny | 32° /24° | 0 mm | 8 | |
| Jul. 30 | Sunny | 28° /19° | 4.8 mm | 7 | |
| Jul. 31 | Sunny | 22° /14° | 0.7 mm | 5 | |
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Important Notice
Our weather forecast for Macon County in July 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 Macon County forecast closer to your planned date for the most up-to-date weather information.
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Macon County in July - FAQ
What are the expected maximum and minimum temperatures in Macon County during July?
During July, expect a variety of temperatures with highs around 29° and lows near 20°, suitable for diverse activities and preferences.
How much rainfall should be expected in Macon County during July?
Significant rainfall exceeding 236.8 mm is expected in Macon County during July, occurring over more than 26 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Macon County during July?
The average wind speed in Macon County during July is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
July rainfall patterns in Macon County
Explore the daily rainfall trends and prepare for Macon Countys July weather 💧
Typically, Macon County has 26 rainy days in July with a total of 236.8 mm of rainfall.
UV exposure in Macon County during July
Stay informed about UV levels for safe outdoor activities throughout the month of July ☀️
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Where is Macon County?Get accurate weather forecasts for Macon County, located at latitude 39.84 and longitude -88.955. Stay updated with localized weather information tailored for Macon County.
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