Lake Bonaparte Rainfall ForecastUnited StatesNYLewis CountyLake BonaparteToday 19 Apr80%Sun 20 Apr10%Mon 21 Apr45%Tue 22 Apr85%Wed 23 Apr10%Thu 24 Apr15%Fri 25 Apr30%Lake Bonaparte rainfall forecast issued today at 6:03 am. Next forecast at approx. 8:03 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Montague RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads