Weather in Champaign County, Illinois for October 2025
Until now, October 2025 in Champaign County has been nearly identical to the historical average, with a temperature of 23.6 °F (showing only a slight deviation of 0.5 °F).
Expect cooler weather in the next days in Champaign County with the forecast suggesting a temperature of 15.1 °F, lower than the historical average.
In general, the average temperature in Champaign County at the beginning of October is 26 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 15 °F by the end of October.
With an average of 4 rainy days, Champaign County experiences minimal rainfall in October.
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Champaign County Weather October
Temperatures trend during October in Champaign County
October weather in Champaign County day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Oct. 1 |  Overcast | 26° /12° | 0 mm | 6 | |
| Oct. 2 |  Partly cloudy | 30° /15° | 0 mm | 8 | |
| Oct. 3 |  Sunny | 26° /12° | 0 mm | 7 | |
| Oct. 4 | Overcast | 25° /14° | 0 mm | 6 | |
| Oct. 5 | Sunny | 28° /14° | 0 mm | 7 | |
| Oct. 6 | Sunny | 27° /14° | 0 mm | 7 | |
| Oct. 7 | Sunny | 20° /9° | 0.6 mm | 5 | |
| Oct. 8 | Sunny | 22° /6° | 0 mm | 6 | |
| Oct. 9 | Sunny | 23° /5° | 0 mm | 7 | |
| Oct. 10 | Sunny | 22° /6° | 0 mm | 5 | |
| Oct. 11 | Sunny | 24° /11° | 0 mm | 6 | |
| Oct. 12 | Overcast | 26° /9° | 0 mm | 6 | |
| Oct. 13 | Overcast | 21° /10° | 0 mm | 5 | |
| Oct. 14 | Overcast | 21° /9° | 0 mm | 5 | |
| Oct. 15 |  Heavy rain at times | 14° /8° | 0.8 mm | 4 | |
| Oct. 16 | Sunny | 18° /7° | 0 mm | 5 | |
| Oct. 17 | Sunny | 20° /7° | 0 mm | 5 | |
| Oct. 18 | Sunny | 23° /9° | 13.1 mm | 6 | |
| Oct. 19 |  Moderate rain | 16° /8° | 7.5 mm | 0.6 | |
| Oct. 20 | Sunny | 21° /3° | 0 mm | 0.9 | |
| Oct. 21 | Sunny | 19° /8° | 0 mm | 0.7 | |
| Oct. 22 | Sunny | 14° /4° | 0 mm | 0.8 | |
| Oct. 23 | Sunny | 16° /4° | 0 mm | 0 | |
| Oct. 24 |  Patchy rain possible | 14° /9° | 0.7 mm | 3 | |
| Oct. 25 | Patchy rain possible | 17° /11° | 1.6 mm | 3 | |
| Oct. 26 | Patchy rain possible | 17° /13° | 0.1 mm | 3 | |
| Oct. 27 | Patchy rain possible | 21° /15° | 0.1 mm | 4 | |
| Oct. 28 | Patchy rain possible | 20° /13° | 2.4 mm | 4 | |
| Oct. 29 | Patchy rain possible | 12° /8° | 4.3 mm | 3 | |
| Oct. 30 | Sunny | 10° /4° | 0 mm | 3 | |
| Oct. 31 | Patchy rain possible | 8° /2° | 0.2 mm | 1 | |
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Champaign County in October - FAQ
October rainfall patterns in Champaign County
UV exposure in Champaign County during October
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Where is Champaign County?Get accurate weather forecasts for Champaign County, located at latitude 40.116 and longitude -88.243. Stay updated with localized weather information tailored for Champaign County.