GOD'S WORD® Translation
If the people of Egypt won't go or enter Jerusalem, then [rain won't fall] on them. The plague the LORD uses to strike the nations will affect those who won't come to celebrate the Festival of Booths.

American Standard Version
And if the family of Egypt go not up, and come not, neither'shall it be upon them; there shall be the plague wherewith Jehovah will smite the nations that go not up to keep the feast of tabernacles.

Berean Study Bible
And if the people of Egypt will not go up and enter in, then the rain will not fall on them; this will be the plague with which the LORD strikes the nations who do not go up to celebrate the Feast of Tabernacles.

Douay-Rheims Bible
And if the family of Egypt go not up nor come: neither shall it be upon them, but there shall be destruction wherewith the Lord will strike all nations that will not go up to keep the feast of tabernacles.

English Revised Version
And if the family of Egypt go not up, and come not, neither shall it be upon them; there shall be the plague, wherewith the LORD will smite the nations that go not up to keep the feast of tabernacles.

King James Bible
And if the family of Egypt go not up, and come not, that have no rain; there shall be the plague, wherewith the LORD will smite the heathen that come not up to keep the feast of tabernacles.

World English Bible
If the family of Egypt doesn't go up, and doesn't come, neither will it rain on them. This will be the plague with which Yahweh will strike the nations that don't go up to keep the feast of tents.

Young's Literal Translation
And if the family of Egypt go not up, nor come in, Then not on them is the plague With which Jehovah doth plague the nations That go not up to celebrate the feast of booths.

Zechariah 14:18 Additional Translations ...