Calshot Castle Rainfall ForecastUnited KingdomSEHampshireCalshot CastleToday 11 Feb95%Thu 12 Feb85%Fri 13 Feb55%Sat 14 Feb85%Sun 15 Feb90%Mon 16 Feb40%Tue 17 Feb15%Calshot Castle rainfall forecast issued today at 6:37 pm. Next forecast at approx. 8:37 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 WillyWeather+ to remove ads