DuPage County, IL: Current UV Index and Hourly Forecast

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As of 7:47 AM CDT on April 12, 2026, all 31 cities in DuPage County, IL in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Naperville, IL with a reading of 0.1.

Over the next 24 hours, the highest UV Index reading in DuPage County, IL is expected to be 6 in Elmhurst between 12:00 PM - 1:00 PM CDT today.

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Current UV Index in Cities in DuPage County, IL

• Addison - 0.1
• Bartlett - 0
• Bensenville - 0.1
• Bloomingdale - 0.1
• Burr Ridge - 0.1
• Carol Stream - 0
• Clarendon Hills - 0.1
• Darien - 0.1
• Downers Grove - 0.1
• Elmhurst - 0.1
• Glen Ellyn - 0.1
• Glendale Heights - 0.1
• Hanover Park - 0
• Hinsdale - 0.1
• Itasca - 0.1
• Lisle - 0.1
• Lombard - 0.1
• Naperville - 0.1
• Oak Brook - 0.1
• Oakbrook Terrace - 0.1
• Roselle - 0.1
• Villa Park - 0.1
• Warrenville - 0.1
• Wayne - 0
• West Chicago - 0
• Westmont - 0.1
• Wheaton - 0.1
• Willowbrook - 0.1
• Winfield - 0
• Wood Dale - 0.1
• Woodridge - 0.1