Upper Matecumbe Key - Little Basin UV IndexUnited StatesFLMonroe-Upper Keys CountyUpper Matecumbe Key - Little Basin1-Day3-Day Graph Plots Open in Graphs UV Forecast NOAAUpper Matecumbe Key - Little Basin UV forecast issued yesterday at 2:17 pm. Next forecast at approx. 2:17 pm.Get WillyWeather+ to remove ads