Matthew 24:36 “But concerning that day and hour no one knows, not even the angels of heaven, nor the Son, but the Father only."
Absolutely. He knew the day He would be crucified, He knew Judas had betrayed Him, He knew that Peter would betray Him three times before the cock crowed, and He knew that he would rise from the dead. He knew that He would ascend into Heaven and He knew that the Holy Ghost would descend upon the apostles at Pentecost.
If you deny Jesus Christ's omniscience, you deny His divinity.