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

With dew points forecast to be in the upper 50s to the lower 60s, heat index values will be just a few degrees above air temperatures. — Kansas City Star, 10 July 2026

When the air above the grass becomes significantly cooler than the air within the grass, the dew point rises and moisture on the grass increases, jeopardizing the safety of the players. — Ava Wallace, New York Times, 7 July 2026

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

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