Walworth County, WI: Current UV Index and Hourly Forecast

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As of 11:13 AM CDT on June 7, 2025, all 20 cities in Walworth County, WI in our database have a UV Index reading of High. The city with the highest UV Index reading right now is Lake Geneva, WI with a reading of 6.2.

Over the next 24 hours, the highest UV Index reading in Walworth County, WI is expected to be 7.5 in Elkhorn between 1:00 PM - 2:00 PM CDT today.

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Current UV Index in Cities in Walworth County, WI

• Allens Grove - 6
• Big Foot Prairie - 6.2
• Como - 6.2
• Darien - 6
• Delavan - 6.1
• Delavan Lake - 6.2
• East Troy - 6.1
• Elkhorn - 6.1
• Genoa City - 6.2
• Lake Geneva - 6.2
• Lake Ivanhoe - 6.2
• Lake Lorraine - 6.1
• Lauderdale Lakes - 6.1
• Lyons - 6.2
• Potter Lake - 6.2
• Sharon - 6
• Springfield - 6.1
• Walworth - 6.2
• Whitewater - 6.1
• Williams Bay - 6.2