Old Portsmouth Beach Rainfall ForecastUnited KingdomSEHampshireOld Portsmouth BeachToday 24 AprNo RainSat 25 Apr5%Sun 26 Apr5%Mon 27 Apr5%Tue 28 AprNo RainWed 29 AprNo RainOld Portsmouth Beach 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 Dean Hill (Wiltshire) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads