Happy Valley Wind ForecastUnited StatesCACalaveras CountyHappy Valley1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast NOAAWind Real-Time Happy Valley wind forecast issued today at 9:31 pm. Next forecast at approx. 9:31 am.Happy Valley Wind Statistics May WindCOLUMBIA (23 miles)2025AprilMayStrongest – Average May–Strongest 2 April, 202511.4mph SWAverage April5.6mphStrongest 13 February, 202518.3mph SSEAverage 20255.4mphClimate (2010–Present)COLUMBIA (23 miles)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 24 October, 202123mph SEAverage 2020–20255.6mphGet WillyWeather+ to remove ads