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 1:31 am. Next forecast at approx. 1:31 pm.Happy Valley Wind Statistics June WindCOLUMBIA (23 miles)2025MayJuneStrongest 18 June, 202512.8mph WAverage June5.6mphStrongest 5 May, 202511.4mph NAverage May5.6mphStrongest 13 February, 202518.3mph SSEAverage 20255.5mphClimate (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