Narrated `Abbas bin Tamim: from his uncle who said, "The Prophet went out to invoke Allah for rain. He faced the Qibla invoking Allah. He turned over his cloak (inside out) and then offered two rak`at and recited the Qur'an aloud in them."
Hadith Referenceصحيح البخاري / كتاب الاستسقاء / 1024
Hadith Gradingمحدثین:أحاديث صحيح البخاريّ كلّها صحيحة