Kennebec River - The Sands Island Rainfall ForecastUnited StatesMEKennebec CountyKennebec River - The Sands IslandToday 20 Apr25%Mon 21 Apr5%Tue 22 Apr80%Wed 23 Apr5%Thu 24 Apr10%Fri 25 Apr25%Sat 26 Apr40%Kennebec River - The Sands Island rainfall forecast issued today at 9:08 am. Next forecast at approx. 11:08 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Portland RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads