Castle Rock Rainfall ForecastUnited StatesCASanta Barbara CountyCastle RockToday 18 AprNo RainSat 19 AprNo RainSun 20 AprNo RainMon 21 AprNo RainTue 22 AprNo RainWed 23 AprNo RainThu 24 AprNo RainCastle Rock 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 Vandenberg AFB RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads