DuPage County (Naperville)
October
Weather in DuPage County for October 2025
Your guide to DuPage County weather in October - trends and predictions
In general, the average temperature in DuPage County at the beginning of October is 23 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 15.7 °F by the end of October.
The climate of DuPage County in October is notably wet, with an average of 14 rainy days.
Snowfall in DuPage County during October is quite rare, with fewer than 2 snowy days on average.
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16
Dry days
14
Rainy days
1
Snow days
17°/8°
Temperatures
20 km/h
Avg max wind
70 %
Avg humidity
DuPage County in October average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  25° | 2  25° | 3 26° | 4  25° | 5  24° | ||
| 6 20° | 7 16° | 8 17° | 9  17° | 10 19° | 11  22° | 12 16° |
| 13  16° | 14 12° | 15 11° | 16 14° | 17 16° | 18 19° | 19 17° |
| 20 14° | 21 21° | 22 18° | 23 19° | 24  20° | 25 19° | 26 18° |
| 27 19° | 28 13° | 29  17° | 30 14° | 31  10° |
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Temperatures trend during October in DuPage County
See the weather trend as well as the moving average line
October weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Oct. 1 | Fog | 25° /12° | 0 mm | 6 | |
| Oct. 2 | Sunny | 25° /11° | 0 mm | 7 | |
| Oct. 3 | Sunny | 26° /10° | 0 mm | 7 | |
| Oct. 4 | Overcast | 25° /16° | 2.8 mm | 6 | |
| Oct. 5 | Light rain shower | 24° /14° | 16 mm | 6 | |
| Oct. 6 | Light rain shower | 20° /9° | 0.3 mm | 5 | |
| Oct. 7 | Patchy rain possible | 16° /4° | 0 mm | 5 | |
| Oct. 8 | Patchy rain possible | 17° /5° | 0.1 mm | 5 | |
| Oct. 9 | Partly cloudy | 17° /6° | 0 mm | 5 | |
| Oct. 10 | Sunny | 19° /6° | 0 mm | 5 | |
| Oct. 11 | Light rain | 22° /6° | 2.8 mm | 5 | |
| Oct. 12 | Light rain shower | 16° /11° | 15.9 mm | 4 | |
| Oct. 13 | Heavy rain | 16° /10° | 23.7 mm | 4 | |
| Oct. 14 | Light rain shower | 12° /8° | 2.5 mm | 3 | |
| Oct. 15 | Light rain shower | 11° /5° | 0.8 mm | 3 | |
| Oct. 16 | Overcast | 14° /3° | 0 mm | 4 | |
| Oct. 17 | Overcast | 16° /3° | 0 mm | 5 | |
| Oct. 18 | Overcast | 19° /3° | 0 mm | 5 | |
| Oct. 19 | Light rain | 17° /7° | 1.6 mm | 5 | |
| Oct. 20 | Patchy rain possible | 14° /9° | 2.1 mm | 3 | |
| Oct. 21 | Patchy rain possible | 21° /8° | 0.1 mm | 5 | |
| Oct. 22 | Fog | 18° /5° | 0 mm | 4 | |
| Oct. 23 | Overcast | 19° /6° | 0 mm | 5 | |
| Oct. 24 | Cloudy | 20° /6° | 0.2 mm | 5 | |
| Oct. 25 | Light rain | 19° /12° | 8.6 mm | 5 | |
| Oct. 26 | Light drizzle | 18° /12° | 0.6 mm | 4 | |
| Oct. 27 | Fog | 19° /7° | 2.4 mm | 5 | |
| Oct. 28 | Overcast | 13° /2° | 0 mm | 4 | |
| Oct. 29 | Moderate rain | 17° /8° | 5.8 mm | 4 | |
| Oct. 30 | Sunny | 14° /6° | 0 mm | 4 | |
| Oct. 31 | Light snow | 10° /3° | 1.8 mm | 3 | |
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Important Notice
Our weather forecast for DuPage County 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 DuPage County forecast closer to your planned date for the most up-to-date weather information.
DuPage County in October - FAQ
What are the expected maximum and minimum temperatures in DuPage County during October?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in DuPage County during October?
Significant rainfall exceeding 139.3 mm is expected in DuPage County during October, occurring over more than 14 days. Preparing for wet conditions is recommended in your planning.
Is snowfall common in DuPage County during October?
DuPage County experiences an average snowfall of 0.1 cm during October, occurring over 1 days, which may interest winter sports enthusiasts.
What are the typical wind conditions in DuPage County during October?
The average wind speed in DuPage County during October is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
October rainfall patterns in DuPage County
Explore the daily rainfall trends and prepare for DuPage Countys October weather 💧
UV exposure in DuPage County during October
Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
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Where is DuPage County?Get accurate weather forecasts for DuPage County, located at latitude 41.786 and longitude -88.147. Stay updated with localized weather information tailored for DuPage County.
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