dew point

noun

: the temperature at which a vapor (such as water) begins or would begin to condense

Examples of dew point in a Sentence

It's 78° outside and the dew point is 63°.

Recent Examples on the Web

When high temperatures and high dew points hang on through the night, the body keeps trying to sweat without any cooling benefit. — Hanna Wickes, Charlotte Observer, 1 July 2026

When both temperatures and dew points stay high after dark, the body’s main cooling system stops working. — Hanna Wickes, Sacbee.com, 1 July 2026

From Tuesday through Friday, highs will be in the mid- to upper 90s each day, with dew points in the 70s. — Ahmad Bajjey, CBS News, 27 June 2026

Heat indices approaching 110 degrees are possible from the mid-South to the central Gulf Coast where the combination of heat and high dew points will be greatest. — Brandi D. Addison, USA Today, 26 June 2026

Word History

First Known Use

1826, in the meaning defined above

Rhymes for dew point

• adjoint
• anoint
• appoint
• checkpoint
• conjoint
• disjoint
• endpoint
• gunpoint
• midpoint
• nonpoint
• pinpoint
• standpoint

Kids Definition

dew point

noun

: the temperature at which the moisture in the air begins or would begin to collect on surfaces