Northiam Rainfall ForecastUnited KingdomSEEast SussexNorthiamToday 10 May5%Mon 11 May80%Tue 12 May10%Wed 13 May45%Thu 14 May60%Fri 15 May35%Sat 16 May10%Northiam rainfall forecast issued today at 1:39 pm. Next forecast at approx. 3:39 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