Westport Airport Rainfall ForecastUnited StatesMABristol CountyWestport AirportToday 16 AprNo RainThu 17 AprNo RainFri 18 Apr15%Sat 19 Apr25%Sun 20 Apr20%Mon 21 Apr10%Tue 22 Apr35%Westport Airport rainfall forecast issued today at 9:08 am. Next forecast at approx. 11:08 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