South Oyster Bay - Biltmore Shores UV IndexUnited StatesNYNassau CountySouth Oyster Bay - Biltmore Shores1-Day3-Day Graph Plots Open in Graphs UV Forecast NOAASouth Oyster Bay - Biltmore Shores UV forecast issued yesterday at 3:17 pm. Next forecast at approx. 3:17 pm.Get WillyWeather+ to remove ads