Mariana Rainfall ForecastUnited StatesPRNaguaboMarianaToday 19 Apr80%Sun 20 Apr70%Mon 21 Apr40%Tue 22 Apr60%Wed 23 Apr30%Thu 24 Apr30%Fri 25 Apr50%Mariana rainfall forecast issued today at 6:04 pm. Next forecast at approx. 8:04 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time San Juan RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads