Grenham Bay Rainfall ForecastUnited KingdomSEKentGrenham BayToday 20 Apr10%Sun 21 Apr15%Mon 22 Apr20%Tue 23 Apr40%Wed 24 Apr40%Thu 25 Apr15%Grenham Bay rainfall forecast issued today at 1:44 am. Next forecast at approx. 3:44 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Thurnham (Kent) RadarNational SatelliteNational SynopticGet an account to remove ads