Ontario County, NY: Current UV Index and Hourly Forecast

As of 12:48 AM EDT on September 22, 2026, all 8 cities in Ontario County, NY in our database have a UV Index reading of 0, indicating no radiation from the sun.

Over the next 24 hours, the highest UV Index reading in Ontario County, NY is expected to be 5 in Clifton Springs between 1:00 PM - 2:00 PM EDT today.

Search Cities in Ontario County, NY

UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Ontario County, NY as of 12:48 AM EDT, September 22, 2026

Current UV Index in Cities in Ontario County, NY

12:48 AM EDT, September 22, 2026