Blowing in loud and abrupt bursts; "blustering (or blusterous) winds of Patagonia"; "a cold blustery day"; "a gusty storm with strong sudden rushes of wind"
Blustery weather is rough, windy, and often rainy, with the wind often changing in strength or direction. It's a cold night here, with intermittent rain showers and a blustery wind. a cool, blustery day. blustery weather is very windy
If you say that someone is blustering, you mean that they are speaking aggressively but without authority, often because they are angry or offended. `That's lunacy,' he blustered He was still blustering, but there was panic in his eyes. Bluster is also a noun. the bluster of the Conservatives' campaign
a violent gusty wind noisy confusion and turbulence; "he was awakened by the bluster of their preparations" blow hard; be gusty, as of wind; "A southeaster blustered onshore"; "The flames blustered