dnd 5e – Does Wall of Fire hurt people inside a Leomund’s Tiny Hut?

Magical effects can’t extend through the dome.

If the wall of fire is on the outside, it doesn’t affect creatures on the inside because:

Spells and other magical Effects can’t extend through the dome or be cast through it. The atmosphere inside the space is comfortable and dry, regardless of the weather outside.

First, the damage from the wall of fire is a magical effect that cannot pass through the dome. Second, the dome doesn’t care about the temperature outside, “the space is comfortable and dry, regardless of the weather outside.”