Antrim Rainfall ForecastUnited KingdomNIAntrimAntrimToday 4 Oct50%Mon 5 Oct85%Tue 6 Oct55%Wed 7 Oct35%Thu 8 Oct85%Fri 9 Oct55%Sat 10 Oct30%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Antrim rainfall forecast issued today at 1:09 pm. Next forecast at approx. 3:09 am. Rainfall Rainfall AccumulationCastor Bay (Lurgan) RadarGet WillyWeather+ to remove ads