Blacknest Rainfall ForecastUnited KingdomSEHampshireBlacknestToday 29 Mar15%Mon 30 Mar15%Tue 31 Mar10%Wed 1 Apr10%Thu 2 Apr10%Blacknest rainfall forecast issued today at 6:31 am. Next forecast at approx. 8:31 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time National RadarNational SatelliteNational SynopticGet an account to remove ads