Portishead Rainfall ForecastUnited KingdomSWSomersetPortisheadToday 24 Aug5%Mon 25 Aug55%Tue 26 Aug60%Wed 27 Aug70%Thu 28 Aug60%Fri 29 Aug65%Portishead rainfall forecast issued today at 7:36 am. Next forecast at approx. 9:36 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Cobbacombe Cross (Devon) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads