Dorchester Rainfall ForecastUnited KingdomSWDorsetDorchesterToday 28 Jan15%Fri 29 Jan50%Sat 30 Jan85%Sun 31 Jan70%Mon 1 Feb50%Dorchester rainfall forecast issued today at 10:31 am. Next forecast at approx. 12:31 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time National RadarNational SatelliteNational SynopticGet an account to remove ads