Triermain Rainfall ForecastUnited KingdomNWCumbriaTriermainToday 18 Aug55%Wed 19 Aug70%Thu 20 Aug45%Fri 21 Aug10%Sat 22 Aug5%Sun 23 Aug5%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Triermain rainfall forecast issued yesterday at 7:08 pm. Next forecast at approx. 9:08 am. Rainfall Rainfall AccumulationHigh Moorsley (Durham) RadarGet WillyWeather+ to remove ads