The first heaven is the "atmospheric space" or that which includes the clouds and birds.
. . . His heavens also drop down dew. (NASB) Deuteronomy 33:28
When the heavens are shut up and there is no rain, because they have sinned against Thee. (NASB) 1 Kings 8:35
. . . And he who dies in the field the birds of the heavens will eat. (NASB) 1 Kings 14:11
If I shut up the heavens so that there is no rain . . (NASB) 2 Chronicles 7:13
He caused the east wind to blow in the heavens; And by His power He directed the south wind. (NASB) Psalm 78:26
The second heaven is "outer space" or that which includes the moon, planets and stars.
When I consider Thy heavens, the work of Thy fingers, The moon and the stars, which Thou hast ordained; (NASB) Psalm 8:3
All the shining lights in the heavens I will darken over you And will set darkness on your land," Declares the Lord GOD. (NASB) Ezekiel 32:8
And the third angel sounded, and a great star fell from heaven . . (NASB) Revelation 8:10
The third heaven is where God lives - Paradise. As we saw earlier this is the third heaven.
Behold, to the LORD your God belong heaven and the highest heavens . . . (NASB) Deuteronomy 10:14
But who is able to build a house for Him, for the heavens and the highest heavens cannot contain Him? (NASB) 2 Chronicles 2:6
(A Song of Ascents.) To Thee I lift up my eyes, O Thou who art enthroned in the heavens! (NASB) Psalm 123:1
. . . --such a man was caught up to the third heaven. And I know how such a man--whether in the body or apart from the body I do not know, God knows--was caught up into Paradise, and heard inexpressible words, which a man is not permitted to speak. (NASB) 2 Corinthians 12:2-4
http://www.neverthirsty.org/pp/corner/read/r001481.html