Alton Rainfall ForecastUnited KingdomSEHampshireAltonToday 6 Nov25%Fri 7 Nov55%Sat 8 NovNo RainSun 9 Nov60%Mon 10 Nov80%Tue 11 Nov55%Wed 12 Nov50%Alton rainfall forecast issued today at 6:36 pm. Next forecast at approx. 8:36 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Dean Hill (Wiltshire) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads