relative humidity
noun
: the ratio of the amount of water vapor actually present in the air to the greatest amount possible at the same temperature
Example Sentences
Recent Examples on the Web The forecast for kickoff calls for a 90-degree temperature with a relative humidity of 62 percent to produce a feels-like 102-degree game. 
Mark Inabinett | Minabinett@al.com, al, 10 Sep. 2022 The temperature near the fire Thursday was 90 degrees with relative humidity of 30% to 35% and winds of 5 to 8 mph with gusts up to 15 mph, according to the National Weather Service in Oxnard. Gregory Yee, Los Angeles Times, 26 Aug. 2022 Temperatures will be in the 90s, with relative humidity in the 20-30% range, CNN meteorologist Robert Shackelford said. Aya Elamroussi, CNN, 14 July 2022 The relative humidity will climb into the 80-percent-plus range at area beaches. Gary Robbins, San Diego Union-Tribune, 13 Aug. 2022 For example, if the relative humidity reaches 70 percent and the temperature is 90 degrees, the heat index will be 105. Jordan D. Brown, USA TODAY, 19 July 2022 Red flag warnings are up for a wide swath of Texas and Oklahoma, where relative humidity could fall below 25 percent and winds may gust up to 30 mph. Matthew Cappucci, Washington Post, 19 July 2022 Winds will be gusty, up to 35 mph and the relative humidity will drop to as low as 6%. Meredith Deliso, ABC News, 9 July 2022 Temperatures during the day were above 96 degrees, relative humidity was below 10% and winds of at least 8 mph were blowing out of the southwest. Gregory Yeestaff Writer, Los Angeles Times, 28 June 2022 See More
Mark Inabinett | Minabinett@al.com, al, 10 Sep. 2022 The temperature near the fire Thursday was 90 degrees with relative humidity of 30% to 35% and winds of 5 to 8 mph with gusts up to 15 mph, according to the National Weather Service in Oxnard. Gregory Yee, Los Angeles Times, 26 Aug. 2022 Temperatures will be in the 90s, with relative humidity in the 20-30% range, CNN meteorologist Robert Shackelford said. Aya Elamroussi, CNN, 14 July 2022 The relative humidity will climb into the 80-percent-plus range at area beaches. Gary Robbins, San Diego Union-Tribune, 13 Aug. 2022 For example, if the relative humidity reaches 70 percent and the temperature is 90 degrees, the heat index will be 105. Jordan D. Brown, USA TODAY, 19 July 2022 Red flag warnings are up for a wide swath of Texas and Oklahoma, where relative humidity could fall below 25 percent and winds may gust up to 30 mph. Matthew Cappucci, Washington Post, 19 July 2022 Winds will be gusty, up to 35 mph and the relative humidity will drop to as low as 6%. Meredith Deliso, ABC News, 9 July 2022 Temperatures during the day were above 96 degrees, relative humidity was below 10% and winds of at least 8 mph were blowing out of the southwest. Gregory Yeestaff Writer, Los Angeles Times, 28 June 2022 See More Word History
First Known Use
1819, in the meaning defined above
Medical Definition
relative humidity
noun
: the ratio of the amount of water vapor actually present in the air to the greatest amount possible at the same temperature compare absolute humidity