Penobscot Lake Rainfall ForecastUnited StatesMESomerset CountyPenobscot LakeToday 20 Apr50%Mon 21 Apr15%Tue 22 Apr80%Wed 23 Apr10%Thu 24 Apr15%Fri 25 Apr35%Sat 26 Apr45%Penobscot Lake rainfall forecast issued today at 3:04 am. Next forecast at approx. 5:04 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Caribou RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads