Franklin County, OH: Current UV Index and Hourly Forecast

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As of 3:06 PM EDT on September 21, 2025, all 28 cities in Franklin County, OH in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Columbus, OH with a reading of 4.6.

Over the next 24 hours, the highest UV Index reading in Franklin County, OH is expected to be 4.6 in Columbus between 3:00 PM - 4:00 PM EDT today.

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Current UV Index in Cities in Franklin County, OH

• Bexley - 4.6
• Blacklick Estates - 4.6
• Brice - 4.6
• Canal Winchester - 4.4
• Columbus - 4.6
• Darbydale - 4.4
• Dublin - 4.2
• Gahanna - 4.6
• Grandview Heights - 4.6
• Grove City - 4.3
• Groveport - 4.3
• Harrisburg - 4.4
• Hilliard - 4.2
• Huber Ridge - 4.6
• Lake Darby - 4.2
• Lincoln Village - 4.2
• Lockbourne - 4.3
• Marble Cliff - 4.6
• Minerva Park - 4.6
• New Albany - 4.6
• Obetz - 4.3
• Reynoldsburg - 4.6
• Riverlea - 4.6
• Upper Arlington - 4.6
• Urbancrest - 4.6
• Westerville - 4.6
• Whitehall - 4.6
• Worthington - 4.6