Seattle - Highest Temperature for 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 2018? 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 103 degrees Fahrenheit (39 Celsius) on July 29, 2009.

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
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
Reference

Jay Lawrimore. 2016. Global Summary of the Year, Version 1.0. NOAA National Centers for Environmental Information. 

Seattle - Extremes
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