Horn Ash Rainfall ForecastUnited KingdomSWDorsetHorn AshToday 19 Jul95%Sun 20 Jul55%Mon 21 Jul30%Tue 22 Jul40%Wed 23 Jul45%Thu 24 Jul10%Fri 25 Jul10%Horn Ash rainfall forecast issued today at 7:36 pm. Next forecast at approx. 9:36 am.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