Hanamaulu Beach Rainfall ForecastUnited StatesHIKauaiHanamaulu BeachToday 18 Apr55%Sat 19 Apr55%Sun 20 Apr55%Mon 21 Apr55%Tue 22 Apr75%Wed 23 Apr75%Thu 24 Apr75%Hanamaulu Beach 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 South Kauai RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads