Earliest and Latest Days of 80° F in Kennewick

This is a list of the earliest and latest days in the year with a high temperature of at least 80 °F in Kennewick, Washington history. It is based on NOAA data from the years 1894–2024.

Also see:

Earliest 80 degree day in Kennewick?

The earliest in the year that Kennewick, Washington had a high temperature of at least 80 °F is March 19 which happened in 2024.

Latest 80 degree day in Kennewick?

The latest in the year that Kennewick, Washington had a high temperature of at least 80 °F is October 25 which has happened twice, most recently in 1977.

Earliest Days ≥ 80 °F

Date	Year	Temperature
March 19	2024	80 °F
March 24	1939	80 °F
March 25	1960	82 °F
March 28	1910	87 °F
March 29	1911	82 °F
March 30	2003	80 °F
March 30	1942	80 °F
March 30	1911	87 °F
March 30	1906	85 °F
March 31	1910	86 °F
April 2	2024	82 °F
April 2	1908	82 °F
April 3	1944	85 °F
April 4	1960	82 °F
April 5	1952	83 °F
April 5	1906	81 °F
April 5	1905	80 °F
April 6	1977	81 °F
April 6	1960	80 °F
April 6	1952	81 °F
April 6	1906	82 °F

Latest Days ≥ 80 °F

Date	Year	Temperature
October 25	1977	81 °F
October 25	1955	81 °F
October 23	1944	80 °F
October 22	2003	81 °F
October 22	1942	81 °F
October 21	2003	88 °F
October 21	1942	80 °F
October 20	1940	80 °F
October 20	1907	84 °F
October 19	1940	80 °F
October 18	1940	87 °F
October 17	2003	82 °F
October 17	1940	82 °F
October 17	1896	80 °F
October 16	1991	81 °F
October 16	1916	80 °F
October 16	1911	81 °F
October 15	2022	80 °F
October 15	1963	81 °F
October 15	1945	80 °F
October 15	1929	81 °F
October 15	1916	81 °F