Summerland Key - Niles Channel South UV IndexUnited StatesFLLower Keys in Monroe CountySummerland Key - Niles Channel South1-Day3-Day Graph Plots Open in Graphs UV Forecast NOAASummerland Key - Niles Channel South UV forecast issued today at 1:05 am. Next forecast at approx. 1:05 am.Get WillyWeather+ to remove ads