Walworth County, WI: Current UV Index and Hourly Forecast

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As of 2:21 PM CST on December 8, 2025, 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 Sharon, WI with a reading of 0.9.

Over the next 24 hours, the highest UV Index reading in Walworth County, WI is expected to be 1.5 in Sharon between 12:00 PM - 1:00 PM CST tomorrow.

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Current UV Index in Cities in Walworth County, WI

• Allens Grove - 0.9
• Big Foot Prairie - 0.8
• Como - 0.8
• Darien - 0.9
• Delavan - 0.8
• Delavan Lake - 0.8
• East Troy - 0.8
• Elkhorn - 0.8
• Genoa City - 0.8
• Lake Geneva - 0.8
• Lake Ivanhoe - 0.8
• Lake Lorraine - 0.8
• Lauderdale Lakes - 0.8
• Lyons - 0.8
• Potter Lake - 0.8
• Sharon - 0.9
• Springfield - 0.8
• Walworth - 0.8
• Whitewater - 0.8
• Williams Bay - 0.8