Groton Rainfall ForecastUnited KingdomEESuffolkGrotonToday 2 Feb15%Tue 3 Feb85%Wed 4 Feb50%Thu 5 Feb80%Fri 6 Feb50%Sat 7 Feb50%Sun 8 Feb45%Groton rainfall forecast issued today at 6:37 pm. Next forecast at approx. 8:37 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Thurnham (Kent) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads