Boston Rainfall ForecastUnited KingdomEMLincolnshireBostonToday 21 May80%Thu 22 May80%Fri 23 May20%Sat 24 May55%Sun 25 May35%Mon 26 May10%Tue 27 May15%Boston rainfall forecast issued today at 1:37 pm. Next forecast at approx. 3:37 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Ingham (Lincolnshire) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads