Brook (Test Valley) Rainfall ForecastUnited KingdomSEHampshireBrook (Test Valley)Today 7 Apr5%Wed 8 Apr5%Thu 9 Apr15%Fri 10 Apr10%Brook (Test Valley) rainfall forecast issued today at 1:31 am. Next forecast at approx. 3:31 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