San Luis Obispo Bay Rainfall ForecastUnited StatesCASan Luis Obispo CountySan Luis Obispo BayToday 18 AprNo RainSat 19 AprNo RainSun 20 AprNo RainMon 21 AprNo RainTue 22 AprNo RainWed 23 AprNo RainThu 24 AprNo RainSan Luis Obispo Bay 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