Boston MA Highest Temperature Each Year

Here's where you'll find answers to questions about the highest temperatures and hottest days in Boston, Massachusetts. How hot did it get in 2019? When was the last time thermometers in Boston rose above 100 °F? What was the highest temperature in Boston 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 Boston and the date that it happened. A date with a plus sign beside it means it was that hot on at least one other day earlier that year.

These records go back to 1893. Since 1937 the temperature extremes were measured at Boston's Logan International Airport. Before then, the weather station was in downtown Boston.

The highest temperature recorded during that time there was 104 degrees Fahrenheit (40 Celsius) on July 4, 1911.

Highest Boston temperatures in recent years
Max °F	Date	Max °C
93	September 07, 2023	34
100	July 24, 2022	38
100	June 30, 2021	38
95	July 28, 2020 +	35
98	July 21, 2019	37
98	August 29, 2018 +	37
95	June 13, 2017 +	35
98	August 12, 2016 +	37
96	September 08, 2015	36
93	September 02, 2014	34
99	July 19, 2013	37
97	July 17, 2012 +	36
103	July 22, 2011	39
100	July 06, 2010	38

Highest temperature recorded at Boston each year
Max °F	Date	Max °C
95	August 18, 2009	35
95	July 19, 2008 +	35
96	August 25, 2007 +	36
98	August 02, 2006	37
97	August 05, 2005	36
93	June 09, 2004	34
93	August 22, 2003 +	34
101	August 14, 2002	38
97	August 09, 2001	36
92	June 17, 2000	33
98	July 17, 1999 +	37
93	July 22, 1998	34
95	July 17, 1997	35
91	May 21, 1996 +	33
100	July 14, 1995	38
97	July 21, 1994	36
99	July 10, 1993 +	37
92	May 23, 1992	33
99	July 21, 1991 +	37
93	July 20, 1990 +	34
96	July 26, 1989	36
99	July 11, 1988	37
96	August 17, 1987	36
95	July 07, 1986	35
93	August 15, 1985	34
98	July 15, 1984 +	37
99	September 11, 1983 +	37
98	July 19, 1982 +	37
99	July 09, 1981	37
99	July 21, 1980	37
95	June 16, 1979 +	35
99	July 23, 1978	37
102	July 21, 1977	39
95	June 24, 1976	35
102	August 02, 1975	39
95	July 04, 1974	35
99	August 30, 1973	37
94	July 12, 1972	34
94	July 09, 1971 +	34
94	August 16, 1970 +	34
95	September 01, 1969 +	35
98	July 16, 1968	37
94	June 16, 1967	34
97	July 03, 1966	36
93	August 07, 1965 +	34
97	July 01, 1964	36
98	July 02, 1963 +	37
92	June 17, 1962	33
95	June 13, 1961	35
93	September 08, 1960 +	34
96	August 16, 1959 +	36
93	July 02, 1958	34
98	July 20, 1957	37
97	June 13, 1956	36
100	August 05, 1955	38
95	July 31, 1954 +	35
100	September 02, 1953	38
100	July 23, 1952 +	38
92	July 26, 1951 +	33
93	July 31, 1950 +	34
101	August 10, 1949	38
100	August 27, 1948	38
99	August 13, 1947	37
96	July 19, 1946	36
96	June 15, 1945	36
101	August 12, 1944	38
97	June 25, 1943	36
93	July 14, 1942	34
96	July 02, 1941 +	36
95	July 30, 1940 +	35
96	September 16, 1939	36
94	August 16, 1938 +	34
99	July 08, 1937	37
98	July 08, 1936	37
92	July 12, 1935	33
94	June 29, 1934	34
99	June 29, 1933	37
93	May 26, 1932 +	34
97	August 06, 1931 +	36
98	August 03, 1930	37
97	September 03, 1929	36
96	August 04, 1928	36
95	July 13, 1927	35
103	July 22, 1926	39
100	June 06, 1925	38
98	August 07, 1924	37
96	June 20, 1923 +	36
93	August 16, 1922 +	34
95	July 28, 1921 +	35
93	August 08, 1920	34
101	July 05, 1919 +	38
98	July 23, 1918	37
98	August 02, 1917 +	37
95	August 08, 1916	35
94	September 16, 1915 +	34
95	May 27, 1914	35
96	August 17, 1913 +	36
99	July 09, 1912	37
104	July 04, 1911	40
94	July 11, 1910	34
95	July 30, 1909	35
97	July 12, 1908	36
94	August 12, 1907 +	34
93	August 06, 1906	34
94	July 19, 1905 +	34
92	June 26, 1904	33
93	July 10, 1903 +	34
92	June 03, 1902	33
97	June 28, 1901	36
97	August 26, 1900 +	36
94	July 04, 1899	34
99	July 03, 1898	37
94	September 10, 1897 +	34
95	August 10, 1896	35
96	September 23, 1895 +	36
97	July 28, 1894 +	36
94	June 20, 1893	34

Boston - Highest Temperature for Each Year

Reference

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