Marietta - Alderwood Rainfall ForecastUnited StatesWAWhatcom CountyMarietta - AlderwoodToday 18 Apr20%Sat 19 Apr15%Sun 20 Apr60%Mon 21 Apr15%Tue 22 AprNo RainWed 23 Apr5%Thu 24 Apr15%Marietta - Alderwood rainfall forecast issued today at 5:04 pm. Next forecast at approx. 7:04 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Seattle RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads