Darke County, OH: Current UV Index and Hourly Forecast

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As of 12:31 PM EDT on March 24, 2026, all 19 cities in Darke County, OH in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Greenville, OH with a reading of 4.3.

Over the next 24 hours, the highest UV Index reading in Darke County, OH is expected to be 5.2 in New Madison between 2:00 PM - 3:00 PM EDT today.

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Current UV Index in Cities in Darke County, OH

• Ansonia - 4.1
• Arcanum - 4.3
• Castine - 4.3
• Gettysburg - 4.3
• Gordon - 4.3
• Greenville - 4.3
• Hollansburg - 4.3
• Ithaca - 4.3
• New Madison - 4.3
• New Weston - 4.1
• North Star - 4.2
• Osgood - 4.2
• Palestine - 4.3
• Pitsburg - 4.3
• Rossburg - 4.1
• Union City - 4.1
• Versailles - 4.2
• Wayne Lakes - 4.3
• Yorkshire - 4.2