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Why Do Leaves Change Color? - Videos from The Weather Channel

Why Do Leaves Change Color?

October 9, 2025

Millions of people each year wait eagerly to see the leaves change brilliant hues of red and yellow. But do you know why the leaves put on this mesmerizing show each year? The secret is that these colors are in the leaves the entire time — but the shorter days and longer nights reveal them. FInd out exactly how this works and how weather plays a role here.