Dane County, WI: Current UV Index and Hourly Forecast

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As of 9:43 AM CST on February 28, 2026, all 25 cities in Dane County, WI in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Deerfield, WI with a reading of 0.8.

Over the next 24 hours, the highest UV Index reading in Dane County, WI is expected to be 1.8 in Belleville between 12:00 PM - 1:00 PM CST today.

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Current UV Index in Cities in Dane County, WI

• Belleville - 0.6
• Black Earth - 0.6
• Blue Mounds - 0.5
• Cambridge - 0.8
• Cottage Grove - 0.6
• Cross Plains - 0.5
• Dane - 0.7
• DeForest - 0.7
• Deerfield - 0.8
• Fitchburg - 0.5
• Madison - 0.5
• Maple Bluff - 0.6
• Marshall - 0.7
• Mazomanie - 0.6
• McFarland - 0.6
• Middleton - 0.5
• Monona - 0.6
• Mount Horeb - 0.5
• Oregon - 0.5
• Rockdale - 0.8
• Shorewood Hills - 0.5
• Stoughton - 0.6
• Sun Prairie - 0.7
• Verona - 0.5
• Waunakee - 0.7