Bay Island Rainfall ForecastUnited StatesFLSarasota CountyBay IslandToday 16 AprNo RainThu 17 AprNo RainFri 18 AprNo RainSat 19 AprNo RainSun 20 AprNo RainMon 21 Apr5%Tue 22 Apr10%Bay Island rainfall forecast issued today at 12:04 pm. Next forecast at approx. 2:04 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Tampa Bay RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads