As of 5:42 PM EDT on May 3, 2026, all 1 cities in Hamilton County, NY in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Speculator, NY with a reading of 1.8.
Over the next 24 hours, the highest UV Index reading in Hamilton County, NY is expected to be 3.2 in Speculator between 3:00 PM - 4:00 PM EDT tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |