easeweather.com
DuPage County (Naperville)
Akron (OH)Albuquerque (NM)Alexandria (VA)Anaheim (CA)Anchorage (AK)Arlington (VA)Asheville (NC)Atlanta (GA)Atlantic City (NJ)Austin (TX)Baltimore (MD)Baton Rouge (LA)Birmingham (AL)Boston (MA)Bowling Green (KY)Brooklyn (NY)Buffalo (NY)Cape Coral (FL)Charlotte (NC)Chattanooga (TN)Chicago (IL)Cincinnati (OH)Cleveland (OH)Colorado Springs (CO)Columbus (OH)Corpus Christi (TX)Dallas (TX)Dayton (OH)Denver (CO)Des Moines (IA)Detroit (MI)El Paso (TX)Fairbanks (AK)Fort Lauderdale (FL)Fort Wayne (IN)Fort Worth (TX)Gatlinburg (TN)Grand Rapids (MI)Harrisburg (PA)Honolulu (HI)Houston (TX)Huntsville (AL)Indianapolis (IN)Jackson (MS)Jacksonville (FL)Juneau (AK)Kansas City (MO)Ketchikan (AK)Key West (FL)Knoxville (TN)Las Vegas (NV)Lexington (KY)Lincoln (NE)Little Rock (AR)Los Angeles (CA)Louisville (KY)Madison (WI)Manhattan (NY)Memphis (TN)Miami (FL)Milwaukee (WI)Minneapolis (MN)Mobile (AL)Montgomery (AL)Naperville (IL)Nashville (TN)New Orleans (LA)New York City (NY)Newark (NJ)Oklahoma City (OK)Omaha (NE)Orlando (FL)Philadelphia (PA)Phoenix (AZ)Pittsburgh (PA)Portland (OR)Richmond (VA)Riverside (CA)Sacramento (CA)Salt Lake City (UT)San Antonio (TX)San Diego (CA)San Francisco (CA)San Jose (CA)Savannah (GA)Seattle (WA)Skagway (AK)Springfield (MO)St. Louis (MO)St. Petersburg (FL)Tallahassee (FL)Tampa (FL)Toledo (OH)Traverse City (MI)Tulsa (OK)Tyler (TX)Vancouver (WA)Virginia Beach (VA)WashingtonWichita (KS)Winston-Salem (NC) More Locations
United States weather

Weather in DuPage County, Illinois for January 2026

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

    Snow Forecast ❄️

  • DuPage County typically experiences moderate snowfall in January, with an average of 8 snowy days.
    According to DuPage County snow forecast for January 2026, no snow is expected until the end of the month.

    • Temperatures

  • Until now, January 2026 in DuPage County has been nearly identical to the historical average, with a temperature of -2.3 °F (showing only a slight deviation of 0 °F).

  • In general, the average temperature in DuPage County at the beginning of January is -0.1 °F. As the month progressed, temperatures tended to slightly decrease, reaching an average of -0.4 °F by the end of January.

    • More

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

Average dry days
17
Dry days
Average rainy days
6
Rainy days
Average snowy days
8
Snow days
Average temperatures
-2°/-8°
Temperatures
Average wind speed
21 km/h
Avg max wind
Average humidity
79 %
Avg humidity

DuPage County Weather January

Move between months or click on a day
December
February
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Overcast
-1°
2
Overcast
1°
3
Overcast
0°
4
Sunny
-2°
5
Patchy rain possible
0°
6
Heavy snow
1°
7
Overcast
0°
8
Light snow
1°
9
Heavy snow
4°
10
Light freezing rain
0°
11
Cloudy
0°
12
Overcast
1°
13
Moderate snow
1°
14
Light freezing rain
-7°
15
Mist
-9°
16
Overcast
-4°
17
Overcast
-4°
18
Light freezing rain
-4°
19
Overcast
-9°
20
Partly cloudy
-8°
21
Freezing fog
-7°
22
Heavy snow
-4°
23
Light freezing rain
-5°
24
Light rain
-6°
25
Overcast
-1°
26
Sunny
-4°
27
Overcast
-2°
28
Overcast
0°
29
Partly cloudy
1°
30
Moderate snow
5°
31
Sunny
-2°

Temperatures trend during January in DuPage County

See the weather trend as well as the moving average line

January weather in DuPage County day by day

Click on a date for more information
December February
Date Weather Temperatures Rain Snow More
Jan. 1 Overcast
Overcast
 -1° /-6° 0 mm 0 cm
Jan. 2 Overcast
Overcast
 1° /-4° 0 mm 0 cm
Jan. 3 Overcast
Overcast
 0° /-5° 0 mm 0 cm
Jan. 4 Sunny
Sunny
 -2° /-7° 0 mm 0 cm
Jan. 5 Patchy rain possible
Patchy rain possible
 0° /-5° 0 mm 0 cm
Jan. 6 Heavy snow
Heavy snow
 1° /-2° 1.2 mm 1 cm
Jan. 7 Overcast
Overcast
 0° /-3° 0 mm 0 cm
Jan. 8 Light snow
Light snow
 1° /-4° 3.9 mm 0.2 cm
Jan. 9 Heavy snow
Heavy snow
 4° /-3° 10.7 mm 5.3 cm
Jan. 10 Light freezing rain
Light freezing rain
 0° /-4° 2.3 mm 0.9 cm
Jan. 11 Cloudy
Cloudy
 0° /-6° 0.4 mm 0.3 cm
Jan. 12 Overcast
Overcast
 1° /-3° 8.6 mm 6.6 cm
Jan. 13 Moderate snow
Moderate snow
 1° /-9° 1.3 mm 0.1 cm
Jan. 14 Light freezing rain
Light freezing rain
 -7° /-13° 0.1 mm 0 cm
Jan. 15 Mist
Mist
 -9° /-16° 0 mm 0 cm
Jan. 16 Overcast
Overcast
 -4° /-13° 2.3 mm 1.7 cm
Jan. 17 Overcast
Overcast
 -4° /-11° 1.4 mm 1 cm
Jan. 18 Light freezing rain
Light freezing rain
 -4° /-12° 0.6 mm 0.5 cm
Jan. 19 Overcast
Overcast
 -9° /-16° 0.5 mm 0.4 cm
Jan. 20 Partly cloudy
Partly cloudy
 -8° /-19° 0 mm 0 cm
Jan. 21 Freezing fog
Freezing fog
 -7° /-16° 0 mm 0 cm
Jan. 22 Heavy snow
Heavy snow
 -4° /-12° 0.9 mm 0.3 cm
Jan. 23 Light freezing rain
Light freezing rain
 -5° /-11° 3.8 mm 0 cm
Jan. 24 Light rain
Light rain
 -6° /-12° 1.7 mm 0 cm
Jan. 25 Overcast
Overcast
 -1° /-7° 3.9 mm 0 cm
Jan. 26 Sunny
Sunny
 -4° /-9° 1.4 mm 0 cm
Jan. 27 Overcast
Overcast
 -2° /-7° 0.2 mm 0 cm
Jan. 28 Overcast
Overcast
 0° /-7° 0 mm 0 cm
Jan. 29 Partly cloudy
Partly cloudy
 1° /-6° 0 mm 0 cm
Jan. 30 Moderate snow
Moderate snow
 5° /-1° 0.3 mm 0.1 cm
Jan. 31 Sunny
Sunny
 -2° /-13° 0 mm 0 cm
Next
Important Notice
Our weather forecast for DuPage County in January 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.
Change Month
‹
›

DuPage County in January - FAQ

What are the expected maximum and minimum temperatures in DuPage County during January?

Brace for cold days with temperatures not exceeding -2° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.

How much rainfall should be expected in DuPage County during January?

Moderate rainfall is anticipated in DuPage County during January, with a total of 50.7 mm spread over approximately 6 days. Considering plans for rainy days is advisable.

Will it snow in DuPage County in January 2026?

DuPage County experiences an average snowfall of 22.05 cm during January, occurring over 8 days.

What are the typical wind conditions in DuPage County during January?

The average wind speed in DuPage County during January is 21 km/h, suggesting breezy to windy conditions, depending on your activities.

DuPage County snow forecast January 2026

Track daily snowfall levels and discover DuPage County’s snowy potential this January ❄️
On average, DuPage County sees 8 snowy days during January, with approximately 22.1 cm of total snowfall.

January rainfall patterns in DuPage County

Explore the daily rainfall trends and prepare for DuPage Countys January weather 💧
Typically, DuPage County has 6 rainy days in January with a total of 50.7 mm of rainfall.
Top locations in DuPage County
Select a location for an accurate weather forecast
Naperville
More Locations

Quick links

More DuPage County weather pages
You are here
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.

Found a mistake?
We appreciate your attention to details. Tell us here.