Thimble Islands Rainfall ForecastUnited StatesCTNew Haven CountyThimble IslandsToday 21 Apr15%Tue 22 Apr70%Wed 23 AprNo RainThu 24 AprNo RainFri 25 Apr20%Sat 26 Apr55%Sun 27 Apr40%Thimble Islands rainfall forecast issued today at 7:04 am. Next forecast at approx. 9:04 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Upton RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads