Portland Bill Lighthouse Rainfall ForecastUnited KingdomSWDorsetPortland Bill LighthouseToday 29 Dec10%Tue 30 DecNo RainWed 31 Dec10%Thu 1 Jan10%Fri 2 Jan10%Sat 3 Jan5%Portland Bill Lighthouse rainfall forecast issued today at 12:36 am. Next forecast at approx. 2:36 pm.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