Newport Bay - Balboa Island Rainfall ForecastUnited StatesCAOrange CountyNewport Bay - Balboa IslandToday 18 Apr10%Sat 19 AprNo RainSun 20 AprNo RainMon 21 AprNo RainTue 22 AprNo RainWed 23 AprNo RainThu 24 AprNo RainNewport Bay - Balboa Island rainfall forecast issued today at 4:04 pm. Next forecast at approx. 6:04 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Santa Ana Mountains RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads