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 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 17 °C 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
64 %
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?
In October, Champaign can expect light to moderate rainfall, totaling 36.8 mm across approximately 4 days. Occasional showers are possible, and planning ahead for them could be helpful.
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 36.8 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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