Winchester Rainfall ForecastUnited KingdomSEHampshireWinchesterToday 18 Apr70%Sun 19 Apr5%Mon 20 Apr5%Tue 21 Apr5%Wed 22 AprNo RainThu 23 Apr5%Fri 24 Apr5%Winchester rainfall forecast issued today at 7:37 pm. Next forecast at approx. 9:37 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