Winchester Rainfall ForecastUnited KingdomSEHampshireWinchesterToday 16 Oct30%Sat 17 Oct5%Sun 18 Oct60%Mon 19 Oct40%Tue 20 Oct40%Wed 21 Oct35%Thu 22 Oct15%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Winchester rainfall forecast issued today at 7:11 am. Next forecast at approx. 9:11 pm. Rainfall Rainfall AccumulationDean Hill (Wiltshire) RadarGet WillyWeather+ to remove ads