Clayton County, IA: Current UV Index and Hourly Forecast

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As of 6:24 PM CST on January 27, 2026, all 16 cities in Clayton County, IA in our database have a UV Index reading of 0, indicating no radiation from the sun.

Over the next 24 hours, the highest UV Index reading in Clayton County, IA is expected to be 2 in Monona between 12:00 PM - 1:00 PM CST tomorrow.

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Current UV Index in Cities in Clayton County, IA

• Clayton - 0
• Elkader - 0
• Elkport - 0
• Farmersburg - 0
• Garber - 0
• Garnavillo - 0
• Guttenberg - 0
• Luana - 0
• Marquette - 0
• McGregor - 0
• Monona - 0
• North Buena Vista - 0
• Osterdock - 0
• St. Olaf - 0
• Strawberry Point - 0
• Volga - 0