WE RELATE FROM the Ṣaḥīḥs of al-Bukhārī and of Muslim from Zayd ibn Khālid al-Juhanī 
, who related that the Messenger of Allah 
led the Companions in the Ṣubḥ ṣalāh at Ḥudaybiyah [1].following rainfall (ithr samā’) at night. When he had finished he turned to the people and asked: “Do you know what your Lord said?” They replied: “Allah and His Messenger know best.” He continued: “He said: ‘My servants have arisen, some believing in Me and some disbelieving in Me. Those who said: “We have been granted rain because of the bounty and mercy of Allah” are believers in Me and disbelievers in the stars. Whoever said: “We have been granted rain by such-and-such a star” is a disbeliever in Me and a believer in the stars.’” [2].
, who related that the Messenger of Allah led the Companions in the Ṣubḥ ṣalāh at Ḥudaybiyah [1].following rainfall (ithr samā’) at night. When he had finished he turned to the people and asked: “Do you know what your Lord said?” They replied: “Allah and His Messenger know best.” He continued: “He said: ‘My servants have arisen, some believing in Me and some disbelieving in Me. Those who said: “We have been granted rain because of the bounty and mercy of Allah” are believers in Me and disbelievers in the stars. Whoever said: “We have been granted rain by such-and-such a star” is a disbeliever in Me and a believer in the stars.’” [2].I say: Ḥudaybiyah is a famous well close to Makkah, one stage away. It is acceptable either to double the second yā’ or not to, although not to double the vowel is the correct and preferred spelling. This is the opinion of ash-Shāfi‘ī and the linguists, whereas Ibn Wahb and most of the muḥaddithūn prefer to double [the second yā’]. The word samā’ here means ‘rain’. Ithr is with a kasrah on the hamzah and a sukūn on the thā’ but some say with a fatḥah on both (athar); and both are dialect forms.
The ‘ulamā’ have stated that if a Muslim says: “We have been granted rain because of a certain star”, meaning that the star is the source and instigator and creator of the rain, he undoubtedly becomes a disbeliever. If he says this meaning that the star is a sign of the rain falling and that the rain falls when these signs appear, and the falling of the rain is by the volition of Allah 
and is His Creation, then he does not become a disbeliever. They disagree as to whether it is makrūh. The preferred view is that it is makrūh, because these are expressions of disbelievers. That is the outward meaning of the hadith, and it is what ash-Shāfi‘ī, may Allah have mercy on him, has stated in al-Umm as well as elsewhere. And Allah knows best. It is mustaḥabb to thank Allah for these favours: that is, for the falling of the rain.
and is His Creation, then he does not become a disbeliever. They disagree as to whether it is makrūh. The preferred view is that it is makrūh, because these are expressions of disbelievers. That is the outward meaning of the hadith, and it is what ash-Shāfi‘ī, may Allah have mercy on him, has stated in al-Umm as well as elsewhere. And Allah knows best. It is mustaḥabb to thank Allah for these favours: that is, for the falling of the rain.References
[1] Ḥudaybiyah is a well which is a distance of about one stage from Makkah.
[2] Al-Bukhārī (846), Muslim (71), al-Muwaṭṭa’ (1/192), Abū Dāwūd (3906), and an-Nasā’ī (3/165).