Abdullah bin Dinar reported,

I heard Ibn Umar reciting the verse of Abu Talib,"A fair-faced one through whose countenance rain is sought from the clouds, A refuge for orphans and a protector of widows."Umar bin Hamza said, Salim narrated to us from his father, "Often I would recall the poet's words as I looked at the face of the Prophet ﷺ while he prayed for rain, and he would not descend from the pulpit until every waterspout was gushing.A fair-faced one through whose countenance rain is sought from the clouds, A refuge for orphans and a protector of widows."

Azami 2972

Sahih

عن عبد الله بن دينار قال

سمعت ابن عمر يتمثل بشعر أبي طالب: وأبيض يستسقى الغمام بوجهه ثمال اليتامى عصمة للأرامل وقال عمر بن حمزة، حدثنا سالم، عن أبيه: ربما ذكرت قول الشاعر، وأنا أنظر إلى وجه النبي ﷺ يستسقي فما ينزل حتى بجيش كل ميزاب. وأبيض يستسقى الغمام بوجهه لمال اليتامى عصمة للأرامل.

الأعظمي 2972صحيح
Contents
Reference
Commentary
Ayat
Collection
Jami al-Kamil
Book
Prayer
Chapter
Prayer for rain
Section
When the polytheists seek intercession from the Muslims during drought
Numbering
Jami al-Kamil 2972 (2nd edition)
Azami 2972