Thornhill Rainfall ForecastUnited KingdomWLCardiffThornhillToday 6 Sep55%Mon 7 Sep85%Tue 8 Sep10%Wed 9 Sep15%Thu 10 Sep20%Fri 11 Sep10%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Thornhill rainfall forecast issued today at 1:08 am. Next forecast at approx. 3:08 pm. Rainfall Rainfall AccumulationCobbacombe Cross (Devon) RadarGet WillyWeather+ to remove ads