San Carlos Bay - Sanibel Island Causeway Rainfall ForecastUnited StatesFLLee CountySan Carlos Bay - Sanibel Island CausewayToday 16 AprNo RainThu 17 AprNo RainFri 18 AprNo RainSat 19 AprNo RainSun 20 AprNo RainMon 21 Apr5%Tue 22 Apr10%San Carlos Bay - Sanibel Island Causeway rainfall forecast issued today at 4:04 am. Next forecast at approx. 6:04 pm.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