Halnaker Rainfall ForecastUnited KingdomSEWest SussexHalnakerToday 26 Feb95%Fri 27 Feb60%Sat 28 Feb25%Sun 1 Mar80%Mon 2 Mar10%Tue 3 Mar5%Wed 4 Mar5%Halnaker rainfall forecast issued today at 12:36 pm. Next forecast at approx. 2:36 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Dean Hill (Wiltshire) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads