Castleton Wind ForecastUnited StatesINMarion CountyCastleton1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast NOAAWind Real-Time Castleton wind forecast issued yesterday at 10:34 pm. Next forecast at approx. 10:34 am. Wind Speed Wind GustCastleton Wind Statistics August WindINDIANAPOLIS (13 miles)2026JulyAugustStrongest 12 August, 202618.3mph SAverage August6.3mphStrongest 21 July, 202618.3mph WSWAverage July6.3mphStrongest 13 March, 202630mph WAverage 20268.8mphClimate (2021–2026)INDIANAPOLIS (13 miles)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 13 March, 202630mph WAverage 2021–20268.3mphGet WillyWeather+ to remove ads