Potomac River - Chopawamsic Creek Entrance UV IndexUnited StatesVAStafford CountyPotomac River - Chopawamsic Creek Entrance1-Day3-Day Graph Plots Open in Graphs UV Forecast NOAAPotomac River - Chopawamsic Creek Entrance UV forecast issued yesterday at 3:17 pm. Next forecast at approx. 3:17 pm.Get WillyWeather+ to remove ads