Dorchester Rainfall ForecastUnited KingdomSWDorsetDorchesterToday 12 Sep15%Sun 13 Sep50%Mon 14 Sep20%Tue 15 Sep15%Wed 16 Sep10%Thu 17 Sep10%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Dorchester rainfall forecast issued today at 1:09 am. Next forecast at approx. 3:09 pm. Rainfall Rainfall AccumulationDean Hill (Wiltshire) RadarGet WillyWeather+ to remove ads