Union County, OH: Current UV Index and Hourly Forecast

As of 3:05 PM EDT on September 22, 2025, all 7 cities in Union County, OH in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Milford Center, OH with a reading of 0.5.

Over the next 24 hours, the highest UV Index reading in Union County, OH is expected to be 5.8 in Milford Center between 1:00 PM - 2:00 PM EDT tomorrow.

Search Cities in Union County, OH

UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Union County, OH as of 3:05 PM EDT, September 22, 2025

Current UV Index in Cities in Union County, OH

3:05 PM EDT, September 22, 2025