Grant County, WI: Current UV Index and Hourly Forecast

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As of 3:21 PM CDT on April 26, 2025, all 22 cities in Grant County, WI in our database have a UV Index reading of High. The city with the highest UV Index reading right now is Cuba City, WI with a reading of 5.7.

Over the next 24 hours, the highest UV Index reading in Grant County, WI is expected to be 7.5 in Platteville between 1:00 PM - 2:00 PM CDT tomorrow.

Search Cities in Grant County, WI

Current UV Index in Cities in Grant County, WI

• Bagley - 5.6
• Bloomington - 5.6
• Blue River - 5.5
• Boscobel - 5.5
• Cassville - 5.7
• Cuba City - 5.7
• Dickeyville - 5.7
• Fennimore - 5.6
• Glen Haven - 5.7
• Hazel Green - 5.7
• Kieler - 5.7
• Lancaster - 5.6
• Livingston - 5.6
• Montfort - 5.6
• Mount Hope - 5.6
• Muscoda - 5.5
• Patch Grove - 5.6
• Platteville - 5.6
• Potosi - 5.6
• Sandy Hook - 5.7
• Tennyson - 5.6
• Woodman - 5.6