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

proverb

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

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Meanings

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

Origin

From a line in a Bob Dylan song, Subterranean Homesick Blues (1965).

Full word history & related roots →
Cite this entry
APA

you don't need a weatherman to know which way the wind blows. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/you%20don't%20need%20a%20weatherman%20to%20know%20which%20way%20the%20wind%20blows

MLA

“you don't need a weatherman to know which way the wind blows.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/you%20don't%20need%20a%20weatherman%20to%20know%20which%20way%20the%20wind%20blows. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “you don't need a weatherman to know which way the wind blows,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/you%20don't%20need%20a%20weatherman%20to%20know%20which%20way%20the%20wind%20blows.

Source: you don't need a weatherman to know which way the wind blows on Wiktionary, CC BY-SA 4.0.