Boston Rainfall ForecastUnited KingdomEMLincolnshireBostonToday 9 May5%Mon 10 May55%Tue 11 May35%Wed 12 May30%Thu 13 May40%Boston rainfall forecast issued today at 1:31 pm. Next forecast at approx. 3:31 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