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

Ahead of it, warm, humid air will surge in, pushing dew points into the low to mid-60s across the Kansas City metro, along with southerly gusts up to 30 to 35 mph. —Kansas City Star, 22 Apr. 2026

While the last few days were mostly muggy with high dew points around 62 degrees Fahrenheit, putting a damper on potential wildfires, the next several days will see lower dew points, according to Royse. —Stephen Underwood, Hartford Courant, 21 Apr. 2026

Thanks to the return of southeasterly winds carrying more atmospheric moisture from the Gulf Coast into Central Texas, surface dew point temperatures (an indicator of water vapor saturation in the air) will steadily increase ahead of a potentially rainy weekend, forecasters said. —Roberto Villalpando, Austin American Statesman, 8 Apr. 2026

Generally speaking, as the dew point temperature approaches the actual air temperature, the relative humidity increases, with saturation taking place when both temperatures are equal. —John P. Rafferty, Encyclopedia Britannica, 7 Apr. 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