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 3:33 am. Next forecast at approx. 3:33 pm.Happy Valley Wind Statistics July WindCOLUMBIA (23 miles)2025JuneJulyStrongest 1 July, 202512.8mph WSWAverage July6.1mphStrongest 21 June, 202513.9mph WSWAverage June5.8mphStrongest 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