Number of Days of 90 °F in Boston by Year

This page contains a list of the number of days in each year that the high temperature equaled or exceeded 90 degrees Fahrenheit in Boston, Massachusetts, between 1893 and 2024.
Also see:
Which year had the most 90° days?
Based on NOAA records, the year 1983 holds the record for the most 90 °F days in Boston history. There were 30 days with a high temperature of at least 90 degrees that year.
How many so far this year (2024)?
It has not reached 90 degrees Fahrenheit in Boston so far in 2024. As of March 25, the highest temperature this year is 60 °F.
The last time it reached at least 90° F was September 7, 2023.
  • Years marked with a gold background have more than 5% incomplete data
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Year Rank Days >= 90 °F
2024 132 0
2023 115 5
2022 14 21
2021 7 24
2020 43 14
2019 37 15
2018 8 23
2017 55 12
2016 9 22
2015 43 14
2014 91 8
2013 20 18
2012 55 12
2011 49 13
2010 5 25
2009 107 6
2008 91 8
2007 20 18
2006 63 11
2005 43 14
2004 122 4
2003 107 6
2002 3 27
2001 30 16
2000 122 4
1999 30 16
1998 91 8
1997 17 19
1996 127 3
1995 25 17
1994 9 22
1993 16 20
1992 130 2
1991 3 27
1990 72 10
1989 100 7
1988 5 25
1987 83 9
1986 122 4
1985 122 4
1984 20 18
1983 1 30
1982 100 7
1981 63 11
1980 9 22
1979 55 12
1978 83 9
1977 20 18
1976 25 17
1975 37 15
1974 100 7
1973 17 19
1972 83 9
1971 37 15
1970 43 14
1969 63 11
1968 72 10
1967 127 3
1966 72 10
1965 83 9
1964 83 9
1963 30 16
1962 115 5
1961 43 14
1960 91 8
1959 9 22
1958 115 5
1957 63 11
1956 63 11
1955 2 28
1954 72 10
1953 37 15
1952 25 17
1951 107 6
1950 91 8
1949 9 22
1948 55 12
1947 72 10
1946 72 10
1945 91 8
1944 14 21
1943 25 17
1942 107 6
1941 20 18
1940 100 7
1939 72 10
1938 72 10
1937 30 16
1936 72 10
1935 122 4
1934 115 5
1933 30 16
1932 100 7
1931 25 17
1930 17 19
1929 37 15
1928 30 16
1927 107 6
1926 107 6
1925 49 13
1924 43 14
1923 55 12
1922 83 9
1921 49 13
1920 115 5
1919 49 13
1918 55 12
1917 91 8
1916 63 11
1915 107 6
1914 55 12
1913 83 9
1912 37 15
1911 49 13
1910 100 7
1909 63 11
1908 63 11
1907 91 8
1906 115 5
1905 72 10
1904 130 2
1903 100 7
1902 127 3
1901 49 13
1900 30 16
1899 83 9
1898 55 12
1897 115 5
1896 72 10
1895 107 6
1894 63 11
1893 91 8
Weather Station Details
Years Station Coordinates
1936–2024 Boston Logan International Airport location
1893–1935 Boston City location