Groton Rainfall ForecastUnited KingdomEESuffolkGrotonToday 7 Nov20%Sun 8 Nov20%Mon 9 Nov15%Tue 10 Nov60%Wed 11 Nov80%Thu 12 Nov55%Fri 13 Nov5%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Groton rainfall forecast issued today at 6:10 pm. Next forecast at approx. 8:10 am. Rainfall Rainfall AccumulationThurnham (Kent) RadarGet WillyWeather+ to remove ads