Knab Rock Rainfall ForecastUnited KingdomWLSwanseaKnab RockToday 21 Sep10%Tue 22 Sep20%Wed 23 Sep40%Thu 24 Sep20%Fri 25 Sep20%Sat 26 Sep30%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Knab Rock rainfall forecast issued today at 7:10 am. Next forecast at approx. 9:10 pm. Rainfall Rainfall AccumulationCrug-y-Gorllwyn (Carmarthenshire) RadarGet WillyWeather+ to remove ads