It was narrated from Abu Musa in a Marfu' [1] report:
"Wait until it cools down to pray Zuhr, for the heat you experience is a breeze from Hell."[1] Meaning he attributed it to the Prophet (ﷺ). (JA)
English reference (JA): Vol. 1, Book 6, Hadith 502 (JA)
Arabic reference (JA): Book 6, Hadith 505 (JA)