Sahih al-Bukhari 3933
صحيح البخاري#3933SahihNarrated `Abdur-Rahman bin Humaid Az-Zuhri:I heard `Umar bin `Abdul-Aziz asking As-Sa'ib, the nephew of An-Namir, "What have you heard about residing in Mecca?" The other said, "I heard Al-Ala bin Al-Hadrami saying, Allah's Messenger (ﷺ) said: An Emigrant is allowed to stay in Mecca for three days after departing from Mina (i.e. after performing all the ceremonies of Hajj)
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 63:158