Machynlleth Rainfall ForecastUnited KingdomWLPowysMachynllethToday 27 Apr90%Sun 28 Apr45%Mon 29 Apr55%Tue 30 Apr15%Wed 1 May50%Thu 2 May15%Fri 3 May15%Machynlleth rainfall forecast issued today at 7:37 pm. Next forecast at approx. 9:37 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 an account to remove ads