"The Messenger of Allah (ﷺ) said: 'If it is very hot, wait until it cools down before you pray, for intense heat is a breeze from Hell.'"
Sunan an-Nasa'i Book 6, Hadith 7
← Previous Hadith "I heard Anas bin Malik say: 'When it was hot, the Messenger of Allah (ﷺ) would wait until it cooled down to pray, and when it was cold he would hasten to pray.'"

Sunan an-Nasa'i Book 6, Hadith 6 Next Hadith → "Wait until it cools down to pray Zuhr, for the heat you experience is a breeze from Hell."

Meaning he attributed it to the Prophet (ﷺ).

Sunan an-Nasa'i Book 6, Hadith 8