Londonderry Rainfall ForecastUnited KingdomNIDerryLondonderryToday 13 Nov10%Sat 14 Nov55%Sun 15 Nov50%Mon 16 Nov30%Tue 17 Nov15%Wed 18 Nov10%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Londonderry rainfall forecast issued today at 12:08 am. Next forecast at approx. 2:08 pm. Rainfall Rainfall AccumulationCastor Bay (Lurgan) RadarGet WillyWeather+ to remove ads