Northiam Rainfall ForecastUnited KingdomSEEast SussexNorthiamToday 19 Jul95%Sun 20 Jul80%Mon 21 Jul65%Tue 22 Jul45%Wed 23 Jul60%Thu 24 Jul35%Fri 25 Jul30%Northiam rainfall forecast issued today at 7:37 am. Next forecast at approx. 9:37 pm.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