Waimea Bay Rainfall ForecastUnited StatesHIKauaiWaimea BayToday 17 Apr70%Fri 18 Apr45%Sat 19 Apr40%Sun 20 Apr10%Mon 21 Apr20%Tue 22 Apr30%Wed 23 Apr30%Waimea Bay rainfall forecast issued today at 12:04 am. Next forecast at approx. 2:04 pm.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