Irvine Rainfall ForecastUnited StatesCAOrange CountyIrvineToday 15 AprNo RainWed 16 Apr20%Thu 17 Apr25%Fri 18 Apr25%Sat 19 Apr5%Sun 20 AprNo RainMon 21 AprNo RainIrvine rainfall forecast issued today at 5:04 pm. Next forecast at approx. 7:04 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