Weather for R J Griffith Lake, TX - R J Griffith Lake, TX Weather, Current Weather in R J Griffith Lake, TX. Local weather report for R J Griffith Lake, TX, Local R J Griffith Lake, TX weather. Forecast for R J Griffith Lake, Texas, R J Griffith Lake, TX weather forecast. Find your local R J Griffith Lake weather forecast. R J Griffith Lake, TX weather conditions.