As of 2:32 PM EDT on May 18, 2026, all 8 cities in Ontario County, NY in our database have a UV Index reading of Very High. The city with the highest UV Index reading right now is Honeoye, NY with a reading of 8.1.
Over the next 24 hours, the highest UV Index reading in Ontario County, NY is expected to be 8.6 in Geneva between 1:00 PM - 2:00 PM EDT tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |