Led on the field by quarterback Mike Monahan and sophomore fullback Ray McDonald, the Vandals won 28–13 in the Battle of the Palouse with neighbor Washington State, the first win in a decade, and the last in Idaho. The Cougars were led by first-year head coach Bert Clark, a former teammate of Andros at Oklahoma. The Vandals split the final four games to finish at 4–6.
Although Idaho was a charter member of the new Big Sky Conference, it did not participate in football until 1965, and was an independent from 1959 through 1964. They did not play any Big Sky teams in 1964 and all ten opponents were in the University Division; only two games were played on campus in Moscow, the latter was the win over neighboring WSU on October 24.
Although the Vandals finished with a losing record, they played the four Arizona and Oregon schools close, allowing less than fifteen points to each. Andros left Idaho after the season for Oregon State, where he coached for eleven seasons and then became athletic director. Defensive coach Steve Musseau succeeded him as head coach at Idaho.