Potomac River - Little Hunting Creek Entrance UV IndexUnited StatesVAFairfax CountyPotomac River - Little Hunting Creek Entrance1-Day3-Day Graph Plots Open in Graphs UV Forecast NOAAPotomac River - Little Hunting Creek Entrance UV forecast issued today at 2:18 pm. Next forecast at approx. 2:18 pm. UV IndexGet WillyWeather+ to remove ads