DuPage County, IL: Current UV Index and Hourly Forecast

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As of 1:03 PM CDT on May 12, 2025, out of 31 cities in DuPage County, IL in our database, 17 cities (55%) have a UV Index reading of Very High, while 14 cities (45%) have a UV Index reading of High. The city with the highest UV Index reading right now is Bartlett, IL with a reading of 8.3.

Over the next 24 hours, the highest UV Index reading in DuPage County, IL is expected to be 8.3 in Bartlett between 1:00 PM - 2:00 PM CDT today.

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Current UV Index in Cities in DuPage County, IL

• Addison - 8.1
• Bartlett - 8.3
• Bensenville - 8.1
• Bloomingdale - 8.1
• Burr Ridge - 7.1
• Carol Stream - 8.3
• Clarendon Hills - 7.1
• Darien - 7.1
• Downers Grove - 7.1
• Elmhurst - 8.1
• Glen Ellyn - 7.1
• Glendale Heights - 8.1
• Hanover Park - 8.3
• Hinsdale - 7.1
• Itasca - 8.1
• Lisle - 7.1
• Lombard - 7.1
• Naperville - 7.8
• Oak Brook - 7.1
• Oakbrook Terrace - 7.1
• Roselle - 8.1
• Villa Park - 8.1
• Warrenville - 7.8
• Wayne - 8.3
• West Chicago - 8.3
• Westmont - 7.1
• Wheaton - 7.1
• Willowbrook - 7.1
• Winfield - 8.3
• Wood Dale - 8.1
• Woodridge - 7.1