The postseason began on December 15, and aside from any all-star games that were scheduled, concluded on January 7, 2019, with the 2019 College Football Playoff National Championship at Levi's Stadium in Santa Clara, California.

[4] New Mexico State left the Sun Belt Conference following the 2017 season and will compete as an FBS independent.

Idaho also left the Sun Belt, dropping its football program from the FBS to FCS level, where it will compete in the Big Sky Conference.

The Flames will be counted as an FBS independent for scheduling purposes in 2018, but will not be fully bowl-eligible until the 2019 season.

The deal did not affect the playing surface, which continues to be named after former Rams head coach Sonny Lubick.

The 2018 First Responder Bowl on December 26 between Boston College and Boise State was canceled after severe weather hit the Dallas area.

The game was stopped due to lightning in the area shortly after BC had taken a 7–0 lead in the first quarter, and was canceled about 90 minutes later.

Lightning continued in the vicinity of the stadium for an additional 90 minutes, and further severe weather was expected for later that night.

According to an NCAA spokesperson, this was believed to be the first bowl game ever called off due to weather conditions.

The Heisman Trophy is given to the year's most outstanding player Quarterback Running back Wide receiver Tight end Lineman: Defensive front Defensive back On December 2, 2018, the College Football Playoff selection committee announced its final team rankings for the year.