Sunnyside Rainfall ForecastUnited StatesTXHarris CountySunnysideToday 18 AprNo RainSat 19 AprNo RainSun 20 Apr65%Mon 21 Apr65%Tue 22 Apr45%Wed 23 Apr65%Thu 24 Apr45%Sunnyside rainfall forecast issued today at 6:03 pm. Next forecast at approx. 8:03 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Houston/Galveston RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads