Spring Branch Rainfall ForecastUnited StatesTXComal CountySpring BranchToday 19 Apr40%Sun 20 Apr70%Mon 21 Apr5%Tue 22 Apr45%Wed 23 Apr60%Thu 24 Apr50%Fri 25 Apr45%Spring Branch 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 San Antonio RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads