Penn Yan Rainfall ForecastUnited StatesNYYates CountyPenn YanToday 19 Apr80%Sun 20 Apr35%Mon 21 Apr40%Tue 22 Apr55%Wed 23 Apr5%Thu 24 Apr15%Fri 25 Apr35%Penn Yan rainfall forecast issued today at 4:04 am. Next forecast at approx. 6:04 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Binghamton RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads