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Weather in DuPage County for October 2025

Your guide to DuPage County weather in October - trends and predictions

    Temperatures

  • 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.

  • Rain 🌧️

  • The climate of DuPage County in October is notably wet, with an average of 12 rainy days, and a total of 88.1 mm of precipitation.

  • More

  • Halloween weather in DuPage County 🎃 - See the complete forecast for Thursday, October 31.

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Average dry days
19
Dry days
Average rainy days
12
Rainy days
Average snowy days
0
Snow days
Average temperatures
18°/8°
Temperatures
Average wind speed
21 km/h
Avg max wind
Average humidity
66 %
Avg humidity

DuPage County in October average weather

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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
Fog
25° /12° 0 mm 6
Oct. 2 Sunny
Sunny
25° /11° 0 mm 7
Oct. 3 Sunny
Sunny
26° /10° 0 mm 7
Oct. 4 Overcast
Overcast
25° /16° 2.8 mm 6
Oct. 5 Light rain shower
Light rain shower
24° /14° 16 mm 6
Oct. 6 Light rain shower
Light rain shower
20° /9° 0.3 mm 5
Oct. 7 Patchy rain possible
Patchy rain possible
16° /4° 0 mm 5
Oct. 8 Patchy rain possible
Patchy rain possible
17° /5° 0.1 mm 5
Oct. 9 Partly cloudy
Partly cloudy
17° /6° 0 mm 5
Oct. 10 Sunny
Sunny
19° /6° 0 mm 5
Oct. 11 Light rain
Light rain
22° /6° 2.8 mm 5
Oct. 12 Light rain shower
Light rain shower
16° /11° 15.9 mm 4
Oct. 13 Heavy rain
Heavy rain
16° /10° 23.7 mm 4
Oct. 14 Light rain shower
Light rain shower
12° /8° 2.5 mm 3
Oct. 15 Light rain shower
Light rain shower
11° /5° 0.8 mm 3
Oct. 16 Overcast
Overcast
14° /3° 0 mm 4
Oct. 17 Overcast
Overcast
16° /3° 0 mm 5
Oct. 18 Overcast
Overcast
19° /3° 0 mm 5
Oct. 19 Light rain
Light rain
17° /7° 1.6 mm 5
Oct. 20 Patchy rain possible
Patchy rain possible
14° /9° 2.1 mm 3
Oct. 21 Patchy rain possible
Patchy rain possible
21° /8° 0.1 mm 5
Oct. 22 Fog
Fog
18° /5° 0 mm 4
Oct. 23 Overcast
Overcast
19° /6° 0 mm 5
Oct. 24 Cloudy
Cloudy
20° /6° 0.2 mm 5
Oct. 25 Light rain
Light rain
19° /12° 8.6 mm 5
Oct. 26 Light drizzle
Light drizzle
18° /12° 0.6 mm 4
Oct. 27 Fog
Fog
19° /7° 2.4 mm 5
Oct. 28 Overcast
Overcast
13° /2° 0 mm 4
Oct. 29 Moderate rain
Moderate rain
17° /8° 5.8 mm 4
Oct. 30 Sunny
Sunny
14° /6° 0 mm 4
Oct. 31 Light snow
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 18° 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?
Moderate rainfall is anticipated in DuPage County during October, with a total of 88.1 mm spread over approximately 12 days. Considering plans for rainy days is advisable.
Will it snow in DuPage County in October 2025?
DuPage County typically sees 0.03 cm of snowfall during October.
What are the typical wind conditions in DuPage County during October?
The average wind speed in DuPage County during October is 21 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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Location coordinates 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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