Rhododendron Rainfall ForecastUnited StatesORClackamas CountyRhododendronToday 18 Apr10%Sat 19 Apr50%Sun 20 Apr50%Mon 21 Apr25%Tue 22 Apr5%Wed 23 Apr10%Thu 24 Apr40%Rhododendron rainfall forecast issued today at 6:05 pm. Next forecast at approx. 8:05 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