Letterloan Rainfall ForecastUnited KingdomNIColeraineLetterloanToday 6 Sep60%Sun 7 Sep80%Mon 8 Sep40%Tue 9 Sep20%Wed 10 Sep40%Thu 11 Sep45%Fri 12 Sep35%Letterloan rainfall forecast issued today at 1:37 pm. Next forecast at approx. 3:37 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Castor Bay (Lurgan) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads