Winds - Section 1 Mishkat al-Masabih 1514

Arabic hadith text
وَعَنِ ابْنِ عُمَرَ قَالَ: قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ " مَفَاتِيحُ الْغَيْبِ خَمْسٌ ثُمَّ قَرَأَ: (إِنَّ اللَّهَ عِنْدَهُ عِلْمُ السَّاعَةِ وَيُنَزِّلُ الْغَيْثَ) الْآيَة. رَوَاهُ البُخَارِيّ
Translation

Ibn ‘Umar reported God’s Messenger as saying, “The keys of the unseen are five.” He then recited, “God has knowledge of the Hour, and He sends down the rain . . .” (Al-Qur’an; 31:34). Bukhari transmitted it.