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

The dew point in Los Angeles reached the lows 70s in the final week of August, according to National Weather Service data. — Paris Barraza, USA Today, 31 Aug. 2026

By Wednesday and Thursday, dew points are expected to rise into the upper 60s to near 70, bringing some heat index values close to 105 degrees. — Kansas City Star, 28 Aug. 2026

Upper-level ridging builds across the East early next week, sending temperatures back toward 90 Monday and Tuesday while dew points climb into the lower 70s. — Bill Kelly, CBS News, 28 Aug. 2026

At Imperial County Airport, October 2003 holds the record for highest dew point at 86 degrees, according to Applied Climate Information System data analyzed by Anderson. — Hannah Fry, Los Angeles Times, 28 Aug. 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