Earliest and Latest Days of 90° F in Dayton

This is a list of the earliest and latest days in the year with a high temperature of at least 90 °F in Dayton, Tennessee history. It is based on NOAA data from the years 1956–2024.

Also see:

Earliest 90 degree day in Dayton?

The earliest in the year that Dayton, Tennessee had a high temperature of at least 90 °F is April 23 which has happened twice, most recently in 1980.

Latest 90 degree day in Dayton?

The latest in the year that Dayton, Tennessee had a high temperature of at least 90 °F is October 5 which has happened twice, most recently in 2019.

Earliest Days ≥ 90 °F

Date	Year	Temperature
April 23	1980	90 °F
April 23	1965	91 °F
April 26	1986	91 °F
April 27	2014	90 °F
April 27	1986	92 °F
April 30	1987	90 °F
May 7	1959	90 °F
May 8	1986	90 °F
May 8	1962	90 °F
May 15	2018	90 °F
May 15	1962	91 °F
May 16	1962	92 °F
May 17	1962	90 °F
May 18	1962	93 °F
May 18	1960	90 °F
May 19	1962	94 °F
May 20	1964	90 °F
May 20	1962	92 °F
May 21	1970	90 °F
May 21	1962	90 °F

Latest Days ≥ 90 °F

Date	Year	Temperature
October 5	2019	90 °F
October 5	1959	90 °F
October 4	2019	96 °F
October 3	2019	97 °F
October 2	2019	96 °F
October 1	2019	95 °F
October 1	1981	90 °F
September 30	2019	94 °F
September 29	2019	90 °F
September 28	2019	92 °F
September 28	1986	90 °F
September 27	2019	90 °F
September 27	1986	90 °F
September 26	2019	92 °F
September 25	2010	93 °F
September 25	2007	91 °F
September 25	1970	90 °F
September 24	2010	92 °F
September 24	2007	90 °F
September 24	1970	90 °F