Sahih al-Bukhari 1012
صحيح البخاري#1012SahihNarrated `Abdullah bin Zaid:The Prophet (ﷺ) went towards the Musalla and invoked Allah for rain. He faced the Qibla and wore his cloak inside out, and offered two rak`at
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: 15:7