As of 5:57 PM EDT on August 3, 2026, all 18 cities in Chautauqua County, NY in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Mayville, NY with a reading of 3.
Over the next 24 hours, the highest UV Index reading in Chautauqua County, NY is expected to be 8.8 in Jamestown 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 |