No Angels or Other Creatures Know Everything in the Heavens and Earth

The one who knows everything in the heavens and on earth, and
knows the number of drops of water and the number of grains of sand is
Allah, the Lord of the Worlds. There is no angel who is close to Him or any
Prophet who was sent who has this knowledge. Anyone who says that there is
anyone among the angels who knows all of this has fabricated a lie against
Allah, to Whom belongs knowledge of the unseen of the heavens and the
earth. 

Allah, may He be exalted, says (interpretation of the
meaning):

“And with Him are the keys of the Ghaib (all that is hidden),
none knows them but He. And He knows whatever there is in (or on) the earth
and in the sea; not a leaf falls, but he knows it. There is not a grain in
the darkness of the earth nor anything fresh or dry, but is written in a
Clear Record” [6:59]. 

And He, may He be glorified, says (interpretation of the
meaning):

“Say: None in the heavens and the earth knows the Ghaib
(unseen) except Allah, nor can they perceive when they shall be resurrected”
[27:65]. 

Ibn Katheer (may Allah have mercy on him) said: Here Allah,
may He be exalted, is instructing His Messenger (blessings and peace of
Allah be upon him) to tell all of mankind that no one knows the unseen
except Allah, may He be glorified and exalted, and that He alone has that
knowledge, with no partner or associate. End quote from Tafseer Ibn Katheer,
(6/207). 

Al-Bukhaari (4697) narrated from Ibn ‘Umar (may Allah be
pleased with him) that the Messenger of Allah (blessings and peace of Allah
be upon him) said: “The keys of the Unknown are five, which no one knows
except Allah: no one knows what will happen tomorrow except Allah; no one
knows what is in the wombs except Allah; no one knows when it will rain
except Allah; no one knows in which land he will die; and no one knows when
the Hour will begin except Allah.” 

But Allah, may He be exalted, may inform whomever He wills
among His creation about whatever He wills of His unseen. Allah, may He be
exalted, says (interpretation of the meaning):

“(He Alone) the All-Knower of the Ghaib (unseen), and He
reveals to none His Ghaib (unseen). Except to a Messenger (from mankind)
whom He has chosen (He informs him of the unseen as much as He likes), and
then He makes a band of watching guards (angels) to march before him and
behind him.” [72:26, 27]. 

The scholars of the Standing Committee said: Knowledge of
unseen matters is something that belongs exclusively to Allah, so no one
among His creation, human or jinn, knows anything of it except what Allah
reveals to whomever He wills among His Angels or His Messengers. End quote
from Fataawa al-Lajnah ad-Daa’imah, (1/346). 

Yes, there is an angel who is appointed in charge of the
rain, and directs it wherever Allah wills; he is Mikaa’eel (peace be upon
him), who has helpers who do whatever he instructs them to do. But this only
happens by the will of Allah and in accordance with His wisdom and
knowledge. They do not know anything or do anything; rather they cannot do
anything at all except by Allah’s leave. Moreover, that does not mean that
they know the number of drops of water, because their knowledge is
restricted to what Allah has taught them, and they say, as Allah tells us:

“Glory be to You, we have no knowledge except what you have
taught us. Verily, it is You, the All-Knower, the All-Wise”

[2:32]. 

For more
information, please see the answer to questions no.

843 and

101968

And Allah knows best.