Portland Bill Lighthouse Rainfall ForecastUnited KingdomSWDorsetPortland Bill LighthouseToday 25 Aug60%Wed 26 Aug75%Thu 27 Aug60%Fri 28 Aug40%Sat 29 Aug60%Sun 30 Aug55%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Portland Bill Lighthouse rainfall forecast issued today at 7:08 am. Next forecast at approx. 9:08 pm. Rainfall Rainfall AccumulationDean Hill (Wiltshire) RadarGet WillyWeather+ to remove ads