The evening RAINBOW portends fair weather

Meaning & Analysis

A rainbow appearing in the sky during the evening is an indicator that good weather will follow. This is based on the principle that for a rainbow to be seen in the evening, the sun must be in the west, meaning the rain clouds are in the east and moving away.

Insights

Hope after Hardship

The proverb suggests that a positive sign at the end of a difficult period (the 'day') signals a peaceful and positive future. The rainbow after the rain symbolizes hope and recovery after a struggle.

Optimistic Beginnings

It can be interpreted as a principle that a positive conclusion to any event or phase of life bodes well for what is to come. It encourages an optimistic outlook based on favorable closing signs.

Reward Follows Turmoil

The proverb implies that beauty and peace (the rainbow and fair weather) are often the direct result of preceding turmoil (the rain). It frames difficulty not just as something to be endured, but as a necessary precursor to a positive outcome.

Scientific Observation

The proverb is rooted in meteorological science: an evening rainbow, with the sun in the west, indicates that the rain showers causing it are in the east and moving away, thus heralding clearing skies. This empirical basis lends it practical credibility beyond its metaphorical weight.

Biblical Symbolism

Culturally, the rainbow is a powerful symbol of divine promise and hope, most notably from the biblical story of Noah's Ark. This imbues the proverb with a deep sense of optimism and reassurance, suggesting that periods of hardship are followed by reconciliation and peace.

Folk Meteorology

As a form of folk wisdom, the proverb reflects a universal human desire to find order and predictability in the natural world. It transforms a beautiful natural event into a tool for forecasting, providing psychological comfort and a sense of control over future uncertainty.

Rhetorical Devices

Symbolism

The rainbow serves as a potent symbol for hope, beauty, and divine promise, while 'fair weather' symbolizes peace, tranquility, and positive outcomes.

Prophetic Tone

The use of the word 'portends' lends the proverb a formal, almost prophetic tone, elevating a simple folk observation into a statement of predictive wisdom.

Causal Structure

The proverb is structured as a clear cause-and-effect statement (Observation A leads to Outcome B), which makes it memorable and easily applicable as a rule of thumb.

hopeoptimismnatureweathersymbolismprediction
Analyzed with gemini-2.5-pro on June 30, 2025

Transcription

Original Scan

The evening RAINBOW portends fair weather - a scanned entry from Tilley's 1950 Dictionary of Proverbs.
Scan courtesy of HathiTrust Digital Library.
Used under CC BY-NC 3.0.

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Last updated: January 27, 2026