Marietta Rainfall ForecastUnited StatesIAMarshall CountyMariettaToday 19 Apr10%Sun 20 Apr95%Mon 21 Apr95%Tue 22 Apr50%Wed 23 Apr35%Thu 24 Apr45%Fri 25 Apr50%Marietta rainfall forecast issued today at 8:08 am. Next forecast at approx. 10:08 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Des Moines RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads