Sahih Muslim 2075
صحيح مسلم#2075SahihAnas b. Malik reported that the Messenger of Allah (ﷺ) prayed for rain pointing the back of his hands to the sky
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 9:6