As of 11:51 AM EDT on September 8, 2026, all 4 cities in Defiance County, OH in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Hicksville, OH with a reading of 3.7.
Over the next 24 hours, the highest UV Index reading in Defiance County, OH is expected to be 7.1 in Hicksville between 2:00 PM - 3:00 PM EDT today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |