Former Obama campaign manager David Plouffe on Wednesday predicted a blowout win for Hilary Clinton in the November presidential election.

"The race is not close. And it won't be on November 8th. 350+ electoral votes for Clinton," Plouffe predicted on Twitter for the presumptive Democratic nominee.

The race is not close. And it won't be on November 8th. 350+ electoral votes for Clinton. — David Plouffe (@davidplouffe) June 29, 2016

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Plouffe endorsed Clinton in October, calling her the best person to carry on President Obama's legacy.

"We’ve come a long way. Still, eight years after that historic night in Des Moines, there’s so much left to do. And Americans still need a president who will wake up every day, prepared to overcome any obstacle on their behalf," Plouffe said in October in an op-ed.

"Hillary Clinton Hillary Diane Rodham ClintonJeff Flake: Republicans 'should hold the same position' on SCOTUS vacancy as 2016 Momentum growing among Republicans for Supreme Court vote before Election Day Warning signs flash for Lindsey Graham in South Carolina MORE should — and I believe will — be that president," Plouffe said.