San Francisco Bay - Steinberger Slough Entrance Rainfall ForecastUnited StatesCASan Mateo CountySan Francisco Bay - Steinberger Slough EntranceToday 16 Apr10%Thu 17 AprNo RainFri 18 AprNo RainSat 19 AprNo RainSun 20 AprNo RainMon 21 AprNo RainTue 22 AprNo RainSan Francisco Bay - Steinberger Slough Entrance rainfall forecast issued today at 1:04 am. Next forecast at approx. 3:04 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time San Francisco RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads