Castell Howell Rainfall ForecastUnited KingdomWLCeredigionCastell HowellToday 8 Sep55%Wed 9 Sep10%Thu 10 Sep80%Fri 11 Sep10%Sat 12 Sep50%Sun 13 Sep20%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Castell Howell rainfall forecast issued today at 1:08 am. Next forecast at approx. 3:08 pm. Rainfall Rainfall AccumulationCrug-y-Gorllwyn (Carmarthenshire) RadarGet WillyWeather+ to remove ads