Holana Bay Rainfall ForecastUnited StatesHIHawaiiHolana BayToday 19 Apr60%Sun 20 Apr50%Mon 21 Apr45%Tue 22 Apr30%Wed 23 Apr25%Thu 24 Apr20%Fri 25 Apr15%Holana Bay rainfall forecast issued today at 12:04 pm. Next forecast at approx. 2:04 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Kohala RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads