The source of blustery is the noun bluster, "loud or indignant talk with little effect," from a Germanic root meaning "blow violently."

When did blustery become a word?

1580s, "a storm of violent wind," from bluster (v.). Meaning "noisy, boisterous, inflated talk" is from 1704.

What is the meaning for blustery?

adjective. characterized by strong, gusty wind:It's a blustery day, with a stiff westerly whipping across the valley keeping the temperature on the cool side.