Grant County, WI: Current UV Index and Hourly Forecast

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As of 7:25 AM CDT on June 27, 2025, all 22 cities in Grant County, WI in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Boscobel, WI with a reading of 0.3.

Over the next 24 hours, the highest UV Index reading in Grant County, WI is expected to be 9.5 in Lancaster between 1:00 PM - 2:00 PM CDT today.

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Current UV Index in Cities in Grant County, WI

• Bagley - 0.3
• Bloomington - 0.3
• Blue River - 0.2
• Boscobel - 0.3
• Cassville - 0.2
• Cuba City - 0.3
• Dickeyville - 0.3
• Fennimore - 0.2
• Glen Haven - 0.2
• Hazel Green - 0.3
• Kieler - 0.3
• Lancaster - 0.2
• Livingston - 0.2
• Montfort - 0.2
• Mount Hope - 0.2
• Muscoda - 0.2
• Patch Grove - 0.3
• Platteville - 0.1
• Potosi - 0.2
• Sandy Hook - 0.3
• Tennyson - 0.2
• Woodman - 0.2