Belmont Rainfall ForecastUnited StatesMAMiddlesex CountyBelmontToday 18 Apr15%Sat 19 Apr10%Sun 20 Apr15%Mon 21 Apr10%Tue 22 Apr60%Wed 23 Apr10%Thu 24 Apr5%Belmont rainfall forecast issued today at 10:04 pm. Next forecast at approx. 12:04 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