Naval Station Mayport (Adm David L. McDonald Field) UV IndexUnited StatesFLDuval CountyNaval Station Mayport (Adm David L. McDonald Field)1-Day3-Day Graph Plots Open in Graphs UV Forecast NOAANaval Station Mayport (Adm David L. McDonald Field) UV forecast issued today at 2:18 pm. Next forecast at approx. 2:18 pm.Get WillyWeather+ to remove ads