Housatonic River - Naugatuck River Entrance UV IndexUnited StatesCTNew Haven CountyHousatonic River - Naugatuck River Entrance1-Day3-Day Graph Plots Open in Graphs UV Forecast NOAAHousatonic River - Naugatuck River Entrance UV forecast issued yesterday at 3:19 pm. Next forecast at approx. 3:19 pm.Get an account to remove ads