Keymer Rainfall ForecastUnited KingdomSEWest SussexKeymerToday 23 Apr45%Wed 24 Apr10%Thu 25 Apr45%Fri 26 Apr45%Sat 27 Apr55%Sun 28 Apr55%Mon 29 Apr10%Keymer rainfall forecast issued today at 7:38 pm. Next forecast at approx. 9:38 am.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