Patuxent River - Persimmon Creek Entrance UV IndexUnited StatesMDSt Marys CountyPatuxent River - Persimmon Creek Entrance1-Day3-Day Graph Plots Open in Graphs UV Forecast NOAAPatuxent River - Persimmon Creek Entrance UV forecast issued today at 3:18 pm. Next forecast at approx. 3:18 pm.Get an account to remove ads