As of 2:21 PM EDT on March 27, 2026, all 12 cities in Niagara County, NY in our database have a UV Index reading of High. The city with the highest UV Index reading right now is Niagara Falls, NY with a reading of 5.9.
Over the next 24 hours, the highest UV Index reading in Niagara County, NY is expected to be 5.9 in Niagara Falls 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 |