As of 3:12 PM EDT on August 12, 2026, out of 7 cities in Union County, OH in our database, 4 cities (57%) have a UV Index reading of Low, while 3 cities (43%) have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Milford Center, OH with a reading of 4.
Over the next 24 hours, the highest UV Index reading in Union County, OH is expected to be 7.4 in Milford Center between 2:00 PM - 3:00 PM EDT tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |