Highest Daily Low Temperatures in Dayton History

This is a list of the hottest daily low temperatures ever recorded in Dayton, Tennessee history from 1956–2024 based on data from the NOAA.

Highest temperatures all-time

Record for the highest daily low temperature in Dayton

The highest low temperature for a calendar day in Dayton, Tennessee history was 79 °F which has happened twice, most recently on Sunday June 21, 2009.

Rank	Temperature	Date
1	79 °F	June 21, 2009
1	79 °F	July 23, 1983
3	78 °F	July 2, 1986
3	78 °F	July 11, 1980
3	78 °F	July 10, 1980
6	77 °F	July 18, 1994
6	77 °F	July 29, 1993
8	76 °F	August 3, 2010
8	76 °F	August 10, 2007
8	76 °F	July 24, 1983
11	75 °F	July 25, 2012
11	75 °F	July 21, 2011
11	75 °F	August 12, 2010
11	75 °F	August 4, 2010
11	75 °F	August 2, 2010
11	75 °F	July 30, 2010
11	75 °F	June 24, 1988
11	75 °F	July 22, 1983
11	75 °F	July 13, 1980
11	75 °F	August 23, 1970