Wailua Beach Rainfall ForecastUnited StatesHIKauaiWailua BeachToday 18 Apr60%Sat 19 Apr50%Sun 20 Apr50%Mon 21 Apr50%Tue 22 Apr75%Wed 23 Apr75%Thu 24 Apr75%Wailua 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