Castell Howell Rainfall ForecastUnited KingdomWLCeredigionCastell HowellToday 21 Jan95%Thu 22 Jan85%Fri 23 Jan90%Sat 24 Jan10%Sun 25 Jan10%Mon 26 Jan55%Tue 27 Jan20%Castell Howell rainfall forecast issued today at 12:37 pm. Next forecast at approx. 2:37 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Crug-y-Gorllwyn (Carmarthenshire) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads