Poestenkill Rainfall ForecastUnited StatesNYRensselaer CountyPoestenkillToday 18 Apr10%Sat 19 Apr50%Sun 20 Apr30%Mon 21 Apr15%Tue 22 Apr55%Wed 23 Apr10%Thu 24 Apr15%Poestenkill rainfall forecast issued today at 2:04 pm. Next forecast at approx. 4:04 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Albany RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads