National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Chicago / West Chicago, Dupage Airport (KDPA)

Lat: 41.9°NLon: 88.25°WElev: 758ft.

Fair

84°F

29°C

Humidity 45%
Wind Speed Calm
Barometer 30.15 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 28 Aug 12:52 pm CDT
Extended Forecast for

Naperville IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 83. Southwest wind around 5 mph.

    High: 83 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 61. South wind around 5 mph.

    Low: 61 °F

    Partly Cloudy

  • Saturday

    Saturday: Increasing clouds, with a high near 81. South wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 81 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: A 10 percent chance of showers after 5am. Mostly cloudy, with a low around 68. South wind around 10 mph, with gusts as high as 15 mph.

    Low: 68 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 88. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 88 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 71.

    Low: 71 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 90.

    High: 90 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 75.

    Low: 75 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 83. Southwest wind around 5 mph.
Tonight
Partly cloudy, with a low around 61. South wind around 5 mph.
Saturday
Increasing clouds, with a high near 81. South wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday Night
A 10 percent chance of showers after 5am. Mostly cloudy, with a low around 68. South wind around 10 mph, with gusts as high as 15 mph.
Sunday
Partly sunny, with a high near 88. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 71.
Monday
Partly sunny, with a high near 90.
Monday Night
Partly cloudy, with a low around 75.
Tuesday
Mostly sunny, with a high near 90.
Tuesday Night
Partly cloudy, with a low around 74.
Wednesday
Mostly sunny, with a high near 90.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 72.
Thursday
Mostly sunny, with a high near 87.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Naperville IL
 41.77°N 88.15°W
Last Update:
1:21 pm CDT Aug 28, 2026
Forecast Valid:
1pm CDT Aug 28, 2026-6pm CDT Sep 3, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation