Kailua Bay Rainfall ForecastUnited StatesHIHonoluluKailua BayToday 19 Apr65%Sun 20 Apr65%Mon 21 Apr65%Tue 22 Apr75%Wed 23 Apr75%Thu 24 Apr75%Fri 25 Apr65%Kailua Bay rainfall forecast issued today at 3:08 am. Next forecast at approx. 5:08 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Molokai RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads