Patuxent River - Swanson Creek Entrance UV IndexUnited StatesMDPrince Georges CountyPatuxent River - Swanson Creek Entrance1-Day3-Day Graph Plots Open in Graphs UV Forecast NOAAPatuxent River - Swanson Creek Entrance UV forecast issued yesterday at 5:19 pm. Next forecast at approx. 5:19 pm.Get an account to remove ads