you don't need a weatherman to know which way the wind blows

English

Etymology

From a line in a Bob Dylan song, Subterranean Homesick Blues.

Proverb

you don't need a weatherman to know which way the wind blows

1. One does not require an expert to tell one what one already knows.

Derived terms

• Weatherman

Related terms

• which way the wind is blowing