Dane County, WI: Current UV Index and Hourly Forecast

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As of 3:27 PM CDT on May 20, 2026, all 25 cities in Dane County, WI in our database have a UV Index reading of High. The city with the highest UV Index reading right now is Madison, WI with a reading of 6.5.

Over the next 24 hours, the highest UV Index reading in Dane County, WI is expected to be 7 in Belleville between 2:00 PM - 3:00 PM CDT tomorrow.

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Current UV Index in Cities in Dane County, WI

• Belleville - 6.5
• Black Earth - 6.4
• Blue Mounds - 6.5
• Cambridge - 6.3
• Cottage Grove - 6.4
• Cross Plains - 6.5
• Dane - 6.4
• DeForest - 6.3
• Deerfield - 6.3
• Fitchburg - 6.5
• Madison - 6.5
• Maple Bluff - 6.4
• Marshall - 6.3
• Mazomanie - 6.4
• McFarland - 6.4
• Middleton - 6.5
• Monona - 6.4
• Mount Horeb - 6.5
• Oregon - 6.5
• Rockdale - 6.3
• Shorewood Hills - 6.5
• Stoughton - 6.4
• Sun Prairie - 6.3
• Verona - 6.5
• Waunakee - 6.4