Number of Days of 100 °F in Kennewick by Year

This page contains a list of the number of days in each year that the high temperature equaled or exceeded 100 degrees Fahrenheit in Kennewick, Washington, between 1894 and 2024.

Also see:

Which year had the most 100° days?

Based on NOAA records, the year 2022 holds the record for the most 100 °F days in Kennewick history. There were 27 days with a high temperature of at least 100 degrees that year.

How many so far this year (2024)?

It has not reached 100 degrees Fahrenheit in Kennewick so far in 2024. As of April 25, the highest temperature this year is 83 °F.

The last time it reached at least 100° F was August 28, 2023.

Years marked with a gold background have more than 5% incomplete data
Click column headers to sort

Year	Rank	Days >= 100 °F
2024	122	0
2023	22	15
2022	1	27
2021	2	26
2020	22	15
2019	70	6
2018	18	16
2017	26	14
2016	59	8
2015	8	23
2014	12	18
2013	45	10
2012	39	11
2011	122	0
2010	76	5
2009	26	14
2008	51	9
2007	39	11
2006	22	15
2005	45	10
2004	18	16
2003	31	12
2002	51	9
2001	39	11
2000	98	3
1999	98	3
1998	16	17
1997	70	6
1996	51	9
1995	98	3
1994	59	8
1993	112	1
1992	31	12
1991	87	4
1990	31	12
1989	112	1
1988	87	4
1987	76	5
1986	51	9
1985	39	11
1984	66	7
1983	76	5
1982	51	9
1981	31	12
1980	76	5
1979	76	5
1978	108	2
1977	12	18
1976	122	0
1975	45	10
1974	45	10
1973	22	15
1972	39	11
1971	8	23
1970	45	10
1969	112	1
1968	51	9
1967	12	18
1966	122	0
1965	76	5
1964	98	3
1963	112	1
1962	59	8
1961	16	17
1960	51	9
1959	76	5
1958	45	10
1957	122	0
1956	112	1
1955	87	4
1954	122	0
1953	76	5
1952	59	8
1951	87	4
1950	87	4
1949	70	6
1948	112	1
1947	108	2
1946	87	4
1945	70	6
1944	76	5
1943	59	8
1942	8	23
1941	31	12
1940	26	14
1939	4	25
1938	30	13
1937	98	3
1936	98	3
1935	98	3
1934	31	12
1933	39	11
1932	112	1
1931	87	4
1930	108	2
1929	87	4
1928	59	8
1927	98	3
1926	66	7
1925	31	12
1924	66	7
1923	70	6
1922	76	5
1921	112	1
1920	98	3
1919	112	1
1918	70	6
1917	87	4
1916	108	2
1915	112	1
1914	98	3
1913	18	16
1912	26	14
1911	6	24
1910	66	7
1909	76	5
1908	4	25
1907	87	4
1906	6	24
1905	18	16
1904	8	23
1903	122	0
1902	122	0
1901	122	0
1900	122	0
1899	51	9
1898	2	26
1897	12	18
1896	31	12
1895	87	4
1894	59	8

Weather Station Details

Years	Station	Coordinates
1999–2024	Pasco Tri Cities Airport	location
1894–1998	Kennewick	location