The National Weather Service has maintained a cooperative weather station at Woodward Dam for many years. In January, average temperatures are a maximum of and a minimum of . In July, average temperatures are a maximum of and a minimum of . The record high temperature was on July 18, 1925. The record low temperature was on December 11, 1932. Annually, there are an average of 84.6 days with highs of or higher and an average of 30.8 days with lows of or lower.