Ottawa County, OH: Current UV Index and Hourly Forecast

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As of 12:01 AM EDT on May 19, 2025, all 11 cities in Ottawa County, OH 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 Ottawa County, OH is expected to be 8.1 in Port Clinton between 1:00 PM - 2:00 PM EDT today.

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Current UV Index in Cities in Ottawa County, OH

• Clay Center - 0
• Curtice - 0
• Elmore - 0
• Genoa - 0
• Lakeside - 0
• Marblehead - 0
• Oak Harbor - 0
• Port Clinton - 0
• Put-in-Bay - 0
• Rocky Ridge - 0
• Williston - 0