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Weather in Champaign, Illinois for October 2025

Your guide to Champaign weather in October - trends and predictions

    Temperatures

  • Until now, October 2025 in Champaign 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 with the forecast suggesting a temperature of 13.4 °F, lower than the historical average.

  • 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 12.4 °F by the end of October.

    • Rain 🌧️

  • With an average of 4 rainy days, Champaign experiences minimal rainfall in October.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
27
Dry days
Average rainy days
4
Rainy days
Average snowy days
0
Snow days
Average temperatures
21°/9°
Temperatures
Average wind speed
21 km/h
Avg max wind
Average humidity
63 %
Avg humidity

Champaign Weather October

Move between months or click on a day
September
November
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Overcast
26°
2
Partly cloudy
30°
3
Sunny
26°
4
Overcast
25°
5
Sunny
28°
6
Sunny
27°
7
Sunny
20°
8
Sunny
22°
9
Sunny
23°
10
Sunny
22°
11
Sunny
24°
12
Overcast
26°
13
Overcast
21°
14
Overcast
21°
15
Heavy rain at times
14°
16
Sunny
18°
17
Sunny
20°
18
Sunny
23°
19
Moderate rain
16°
20
Sunny
21°
21
Cloudy
15°
22
Sunny
15°
23
Sunny
14°
24
Cloudy
14°
25
Patchy rain possible
9°
26
Patchy rain possible
12°
27
Patchy rain possible
21°
28
Moderate rain
18°
29
Patchy rain possible
9°
30
Patchy rain possible
13°
31
Patchy rain possible
5°

Temperatures trend during October in Champaign

See the weather trend as well as the moving average line

October weather in Champaign day by day

Click on a date for more information
September November
Date Weather Temperatures Rain UV More
Oct. 1 Overcast
Overcast
 26° /12° 0 mm 6
Oct. 2 Partly cloudy
Partly cloudy
 30° /15° 0 mm 8
Oct. 3 Sunny
Sunny
 26° /12° 0 mm 7
Oct. 4 Overcast
Overcast
 25° /14° 0 mm 6
Oct. 5 Sunny
Sunny
 28° /14° 0 mm 7
Oct. 6 Sunny
Sunny
 27° /14° 0 mm 7
Oct. 7 Sunny
Sunny
 20° /9° 0.6 mm 5
Oct. 8 Sunny
Sunny
 22° /6° 0 mm 6
Oct. 9 Sunny
Sunny
 23° /5° 0 mm 7
Oct. 10 Sunny
Sunny
 22° /6° 0 mm 5
Oct. 11 Sunny
Sunny
 24° /11° 0 mm 6
Oct. 12 Overcast
Overcast
 26° /9° 0 mm 6
Oct. 13 Overcast
Overcast
 21° /10° 0 mm 5
Oct. 14 Overcast
Overcast
 21° /9° 0 mm 5
Oct. 15 Heavy rain at times
Heavy rain at times
 14° /8° 0.8 mm 4
Oct. 16 Sunny
Sunny
 18° /7° 0 mm 5
Oct. 17 Sunny
Sunny
 20° /7° 0 mm 5
Oct. 18 Sunny
Sunny
 23° /9° 13.1 mm 6
Oct. 19 Moderate rain
Moderate rain
 16° /8° 6.9 mm 0.6
Oct. 20 Sunny
Sunny
 21° /3° 0 mm 0.9
Oct. 21 Cloudy
Cloudy
 15° /7° 0 mm 0.7
Oct. 22 Sunny
Sunny
 15° /5° 0 mm 0.8
Oct. 23 Sunny
Sunny
 14° /4° 0 mm 0
Oct. 24 Cloudy
Cloudy
 14° /5° 0 mm 2
Oct. 25 Patchy rain possible
Patchy rain possible
 9° /7° 2.5 mm 2
Oct. 26 Patchy rain possible
Patchy rain possible
 12° /9° 0.5 mm 3
Oct. 27 Patchy rain possible
Patchy rain possible
 21° /11° 0.5 mm 4
Oct. 28 Moderate rain
Moderate rain
 18° /10° 7.7 mm 3
Oct. 29 Patchy rain possible
Patchy rain possible
 9° /8° 1.6 mm 2
Oct. 30 Patchy rain possible
Patchy rain possible
 13° /8° 0.5 mm 3
Oct. 31 Patchy rain possible
Patchy rain possible
 5° /1° 4.9 mm 1
Next
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 💧

UV exposure in Champaign during October

Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️

Quick links

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Location coordinates Where is Champaign?

Get accurate weather forecasts for Champaign, located at latitude 40.116 and longitude -88.243. Stay updated with localized weather information tailored for Champaign.

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