Sunnyside Rainfall ForecastUnited StatesWAClark CountySunnysideToday 21 Apr15%Tue 22 AprNo RainWed 23 AprNo RainThu 24 Apr25%Fri 25 Apr45%Sat 26 Apr40%Sun 27 Apr30%Sunnyside rainfall forecast issued today at 11:04 am. Next forecast at approx. 1:04 am.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