Champaign (IL)
October
Weather in Champaign, Illinois for October 2026
Your guide to Champaign weather in October - trends and predictions
In general, the average temperature in Champaign at the beginning of October is 26 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 17 °F by the end of October.
With an average of 4 rainy days, Champaign experiences minimal rainfall in October.
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Temperatures
Rain 🌧️
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27
Dry days
4
Rainy days
0
Snow days
21°/9°
Temperatures
21 km/h
Avg max wind
63 %
Avg humidity
Champaign Weather October
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Temperatures trend during October in Champaign
See the weather trend as well as the moving average line
October weather in Champaign day by day
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| 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 | Sunny | 19° /7° | 8.7 mm | 5 | |
| Oct. 20 | Sunny | 22° /5° | 0 mm | 6 | |
| Oct. 21 | Sunny | 21° /8° | 0 mm | 6 | |
| Oct. 22 |  Moderate rain at times | 20° /6° | 0.5 mm | 5 | |
| Oct. 23 | Overcast | 16° /5° | 0 mm | 4 | |
| Oct. 24 | Partly cloudy | 15° /2° | 0 mm | 5 | |
| Oct. 25 | Heavy rain at times | 17° /10° | 1 mm | 4 | |
| Oct. 26 | Overcast | 17° /8° | 0 mm | 4 | |
| Oct. 27 | Partly cloudy | 15° /3° | 0 mm | 4 | |
| Oct. 28 | Overcast | 16° /5° | 0 mm | 4 | |
| Oct. 29 | Overcast | 18° /12° | 0 mm | 5 | |
| Oct. 30 | Overcast | 18° /10° | 0 mm | 5 | |
| Oct. 31 | Moderate or heavy rain shower | 18° /10° | 12 mm | 4 | |
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Important Notice
Our weather forecast for Champaign in October 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 Champaign forecast closer to your planned date for the most up-to-date weather information.
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Champaign in October - FAQ
What are the expected maximum and minimum temperatures in Champaign during October?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 9°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Champaign during October?
Expect minimal rainfall in Champaign during October, with a total of 16.6 mm over approximately 4 days. This minimal precipitation is unlikely to significantly impact plans.
What are the typical wind conditions in Champaign during October?
The average wind speed in Champaign during October is 21 km/h, suggesting breezy to windy conditions, depending on your activities.
October rainfall patterns in Champaign
Explore the daily rainfall trends and prepare for Champaigns October weather 💧
Typically, Champaign has 4 rainy days in October with a total of 16.6 mm of rainfall.
UV exposure in Champaign during October
Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
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