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 today at 3:17 pm. Next forecast at approx. 3:17 pm.Get WillyWeather+ to remove ads