Upper Brynamman Rainfall ForecastUnited KingdomWLCarmarthenshireUpper BrynammanToday 4 Oct25%Mon 5 Oct45%Tue 6 Oct60%Wed 7 Oct20%Thu 8 Oct65%Fri 9 Oct85%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Upper Brynamman rainfall forecast issued yesterday at 7:10 pm. Next forecast at approx. 9:10 am. Rainfall Rainfall AccumulationCrug-y-Gorllwyn (Carmarthenshire) RadarGet WillyWeather+ to remove ads