Seattle WA Highest Temperature Each Year

Here's where you'll find answers to questions about the highest temperatures and hottest days in Seattle, Washington. How hot did it get in 2019? When was the last time thermometers in Seattle rose above 100 °F? What was the highest temperature in Seattle a century ago? Answers to those questions and much more can be found quickly and easily in the list below of record high temperatures.

This page gives the highest temperature for each year in Seattle and the date that it happened. A date with a plus sign means it was that hot on at least one other day earlier that year.

These records go back to 1894, with just one year missing data. The highest temperature measured during that time was 108 degrees Fahrenheit (42 Celsius) on June 28, 2021.

Since 1948 the temperature extremes were observed at Seattle—Tacoma International Airport. Before then, the weather station was at University of Washington.

Highest Seattle temperatures in recent years
Max °F	Date	Max °C
95	August 16, 2023 +	35
95	July 31, 2022 +	35
108	June 28, 2021	42
98	August 16, 2020	37
95	June 12, 2019	35
94	August 08, 2018 +	34
96	June 25, 2017	36
95	August 19, 2016	35
95	July 19, 2015	35
96	August 11, 2014	36
93	September 11, 2013 +	34
94	August 16, 2012	34
87	August 21, 2011	31
96	August 15, 2010	36

Highest temperature recorded at Seattle each year
Max °F	Date	Max °C
92	June 29, 2008	33
98	July 11, 2007	37
97	July 21, 2006	36
89	May 27, 2005 +	32
96	July 23, 2004	36
93	July 29, 2003	34
94	June 13, 2002	34
88	August 10, 2001	31
88	June 27, 2000	31
87	September 13, 1999	31
97	July 28, 1998	36
88	August 12, 1997 +	31
91	July 25, 1996 +	33
96	June 30, 1995	36
100	July 20, 1994	38
95	August 04, 1993	35
92	June 24, 1992 +	33
99	July 23, 1991	37
94	August 11, 1990 +	34
91	September 22, 1989	33
98	September 02, 1988	37
93	June 29, 1987	34
91	August 26, 1986 +	33
93	July 19, 1985	34
91	July 23, 1984	33
92	May 28, 1983	33
94	June 18, 1982	34
99	August 09, 1981	37
87	August 10, 1980	31
98	July 16, 1979	37
95	August 08, 1978 +	35
96	August 17, 1977 +	36
86	September 20, 1976 +	30
90	July 05, 1975	32
91	September 02, 1974 +	33
90	July 28, 1973	32
95	August 07, 1972	35
95	July 29, 1971	35
94	June 02, 1970 +	34
91	June 17, 1969	33
92	July 02, 1968	33
98	August 16, 1967	37
88	August 21, 1966	31
94	July 30, 1965	34
90	May 31, 1964	32
93	May 21, 1963	34
88	July 28, 1962 +	31
97	July 12, 1961	36
99	August 09, 1960	37
93	July 31, 1959	34
97	July 28, 1958	36
84	September 13, 1957	29
94	July 19, 1956	34
96	June 09, 1955	36
80	August 01, 1954 +	27
88	July 07, 1953	31
92	August 04, 1952	33
96	July 12, 1951	36
86	September 21, 1950 +	30
92	August 01, 1949	33
88	July 31, 1948	31
87	April 26, 1947	31
90	July 20, 1946	32
–	1945	–
96	July 18, 1944	36
86	September 08, 1943	30
98	July 01, 1942	37
100	July 16, 1941	38
89	August 18, 1940	32
94	July 27, 1939	34
92	July 21, 1938	33
92	September 14, 1937	33
89	August 28, 1936	32
94	July 14, 1935	34
92	May 13, 1934	33
92	August 26, 1933	33
89	June 10, 1932	32
91	August 09, 1931	33
89	July 12, 1930	32
84	August 27, 1929 +	29
89	July 24, 1928	32
91	July 23, 1927	33
93	July 10, 1926	34
98	June 25, 1925	37
91	July 24, 1924	33
88	July 14, 1923	31
89	May 31, 1922	32
80	August 12, 1921	27
89	July 07, 1920	32
86	August 16, 1919	30
84	August 31, 1918	29
84	June 13, 1917	29
89	August 25, 1916	32
89	August 21, 1915 +	32
88	August 13, 1914 +	31
88	August 10, 1913 +	31
90	May 14, 1912	32
92	July 16, 1911	33
86	July 11, 1910 +	30
84	September 05, 1909	29
88	August 18, 1908	31
91	July 30, 1907	33
95	July 03, 1906	35
90	July 08, 1905	32
90	August 04, 1904 +	32
96	June 08, 1903	36
95	July 19, 1902	35
87	August 15, 1901	31
86	June 12, 1900	30
90	July 27, 1899 +	32
92	August 05, 1898 +	33
90	May 28, 1897	32
93	June 26, 1896	34
90	July 10, 1895 +	32
88	July 13, 1894	31

Seattle - Highest Temperature for Each Year

Reference

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