Walworth County, WI: Current UV Index and Hourly Forecast

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As of 11:19 AM CDT on October 29, 2026, all 20 cities in Walworth County, WI in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Whitewater, WI with a reading of 1.7.

Over the next 24 hours, the highest UV Index reading in Walworth County, WI is expected to be 2.8 in Sharon between 1:00 PM - 2:00 PM CDT today.

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Current UV Index in Cities in Walworth County, WI

• Allens Grove - 1.3
• Big Foot Prairie - 1.2
• Como - 1.2
• Darien - 1.3
• Delavan - 1.7
• Delavan Lake - 1.2
• East Troy - 1.6
• Elkhorn - 1.6
• Genoa City - 1.1
• Lake Geneva - 1.2
• Lake Ivanhoe - 1.1
• Lake Lorraine - 1.7
• Lauderdale Lakes - 1.6
• Lyons - 1.6
• Potter Lake - 1.6
• Sharon - 1.3
• Springfield - 1.6
• Walworth - 1.2
• Whitewater - 1.7
• Williams Bay - 1.2