South Amboy Rainfall ForecastUnited StatesNJMiddlesex CountySouth AmboyToday 16 Apr15%Thu 17 AprNo RainFri 18 Apr10%Sat 19 Apr35%Sun 20 Apr20%Mon 21 Apr15%Tue 22 Apr40%South Amboy rainfall forecast issued today at 3:04 am. Next forecast at approx. 5:04 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Philadelphia RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads