As of 6:18 PM EDT on March 10, 2026, all 8 cities in Delaware County, OH in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Delaware, OH with a reading of 0.5.
Over the next 24 hours, the highest UV Index reading in Delaware County, OH is expected to be 2.8 in Ostrander between 4:00 PM - 5:00 PM EDT tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |