Mercer County, OH: Current UV Index and Hourly Forecast

As of 11:45 AM EDT on June 8, 2025, all 10 cities in Mercer County, OH in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Celina, OH with a reading of 0.4.

Over the next 24 hours, the highest UV Index reading in Mercer County, OH is expected to be 3.1 in Rockford between 10:00 AM - 11:00 AM EDT tomorrow.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Mercer County, OH as of 11:45 AM EDT, June 8, 2025

Current UV Index in Cities in Mercer County, OH

11:45 AM EDT, June 8, 2025