Greencastle Rainfall ForecastUnited KingdomNINewry and MourneGreencastleToday 15 Nov30%Mon 16 Nov95%Tue 17 Nov90%Wed 18 Nov60%Thu 19 Nov45%Fri 20 Nov75%Sat 21 Nov75%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Greencastle rainfall forecast issued today at 6:08 pm. Next forecast at approx. 8:08 am. Rainfall Rainfall AccumulationCastor Bay (Lurgan) RadarGet WillyWeather+ to remove ads