Walworth County, WI: Current UV Index and Hourly Forecast

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As of 12:23 PM CDT on June 28, 2025, all 20 cities in Walworth County, WI in our database have a UV Index reading of Very High. The city with the highest UV Index reading right now is Whitewater, WI with a reading of 8.8.

Over the next 24 hours, the highest UV Index reading in Walworth County, WI is expected to be 9.4 in Whitewater between 1:00 PM - 2:00 PM CDT today.

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Current UV Index in Cities in Walworth County, WI

• Allens Grove - 8.7
• Big Foot Prairie - 8.7
• Como - 8.7
• Darien - 8.7
• Delavan - 8.8
• Delavan Lake - 8.7
• East Troy - 8.8
• Elkhorn - 8.8
• Genoa City - 8.7
• Lake Geneva - 8.7
• Lake Ivanhoe - 8.7
• Lake Lorraine - 8.8
• Lauderdale Lakes - 8.8
• Lyons - 8.8
• Potter Lake - 8.8
• Sharon - 8.7
• Springfield - 8.8
• Walworth - 8.7
• Whitewater - 8.8
• Williams Bay - 8.7