Sunan an-Nasa'i · Hadith 1510
The Book of Praying for Rain (Al-Istisqa') - كتاب الاستسقاء
أخبرنا قتيبة، عن سفيان، عن عبد الله بن أبي بكر، عن عباد بن تميم، عن عمه، أن النبي صلى الله عليه وسلم استسقى وصلى ركعتين وقلب رداءه .
It was narrated from 'Abbad bin Tamim, from his paternal uncle that: The Prophet (ﷺ) prayed for rain, and prayed two rak'ahs, and turned his rida' around.
Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).