Seal Beach Rainfall ForecastUnited StatesCAOrange CountySeal BeachToday 13 AprNo RainMon 14 AprNo RainTue 15 AprNo RainWed 16 AprNo RainThu 17 Apr20%Fri 18 Apr20%Sat 19 Apr5%Seal Beach rainfall forecast issued today at 11:04 am. Next forecast at approx. 1:04 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