Officials say Obama doesn't plan to speak at the ceremony at the National Memorial Cemetery of the Pacific.
About 20 members of Congress are also expected to attend.
Inouye died on Monday and services were held in Washington on Thursday and Friday. Obama spoke at a funeral for Inouye Friday at the National Cathedral, saying Inouye was an early inspiration to show him the possibilities in life.
Inouye was 88. He fought in World War II and the first Japanese-American elected to the U.S. Senate.
Obama and his family are in Hawaii on vacation.
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