Penobscot River - Interstate 395 Bridge UV IndexUnited StatesMEPenobscot CountyPenobscot River - Interstate 395 Bridge1-Day3-Day Graph Plots Open in Graphs UV Forecast NOAAPenobscot River - Interstate 395 Bridge UV forecast issued yesterday at 2:17 pm. Next forecast at approx. 2:17 pm.Get WillyWeather+ to remove ads