Massasoit State Park Rainfall ForecastUnited StatesMABristol CountyMassasoit State ParkToday 16 Apr5%Thu 17 AprNo RainFri 18 Apr15%Sat 19 Apr30%Sun 20 Apr20%Mon 21 Apr15%Tue 22 Apr35%Massasoit State Park rainfall forecast issued today at 7:04 am. Next forecast at approx. 9:04 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Boston RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads