Potomac River - Rosier Creek Entrance UV IndexUnited StatesVAKing George CountyPotomac River - Rosier Creek Entrance1-Day3-Day Graph Plots Open in Graphs UV Forecast NOAAPotomac River - Rosier Creek Entrance UV forecast issued yesterday at 3:18 pm. Next forecast at approx. 3:18 pm.Get WillyWeather+ to remove ads