Winchester Rainfall ForecastUnited KingdomSEHampshireWinchesterToday 8 May5%Thu 9 May10%Fri 10 May5%Sat 11 May5%Sun 12 May15%Mon 13 May45%Tue 14 May40%Winchester rainfall forecast issued today at 1:38 pm. Next forecast at approx. 3:38 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 an account to remove ads