Brook (Test Valley) Rainfall ForecastUnited KingdomSEHampshireBrook (Test Valley)Today 16 Sep85%Wed 17 Sep55%Thu 18 Sep50%Fri 19 Sep20%Sat 20 Sep40%Sun 21 Sep40%Brook (Test Valley) rainfall forecast issued today at 7:38 am. Next forecast at approx. 9:38 pm.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