Walworth County, WI: Current UV Index and Hourly Forecast

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As of 3:18 PM CDT on April 26, 2025, all 20 cities in Walworth County, WI in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Sharon, WI with a reading of 5.4.

Over the next 24 hours, the highest UV Index reading in Walworth County, WI is expected to be 7.4 in Lake Geneva between 1:00 PM - 2:00 PM CDT tomorrow.

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Current UV Index in Cities in Walworth County, WI

• Allens Grove - 5.4
• Big Foot Prairie - 5.3
• Como - 5.3
• Darien - 5.4
• Delavan - 5.3
• Delavan Lake - 5.3
• East Troy - 5.3
• Elkhorn - 5.3
• Genoa City - 5.3
• Lake Geneva - 5.3
• Lake Ivanhoe - 5.3
• Lake Lorraine - 5.3
• Lauderdale Lakes - 5.3
• Lyons - 5.2
• Potter Lake - 5.2
• Sharon - 5.4
• Springfield - 5.3
• Walworth - 5.3
• Whitewater - 5.3
• Williams Bay - 5.3