Boston May 18 Weather Records

Daily averages and all-time records for weather in Boston, Massachusetts for the date of May 18.
May 18 All-Time Records
1893–2024
Highest temperature 95 °F 2017
Lowest temperature 37 °F 2002
Lowest daily high 46 °F 2007
Highest daily low 71 °F 2017
Most precipitation 1.72 inches 2007
Most snow none -
May 18 Average Weather
1991–2020 1
Average high 67.3 °F
Average low 50.9 °F
Chance precipitation 37.4%
Chance snow 0%
Boston May 18 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 64 42 0.00 0.0
2022 73 54 0.00 0.0
2021 84 59 0.00 0.0
2020 58 47 0.00 0.0
2019 70 53 0.00 0.0
2018 65 47 0.00 0.0
2017 95 71 0.05 0.0
2016 59 49 0.00 0.0
2015 58 49 0.00 0.0
2014 63 52 0.00 0.0
2013 67 51 0.00 0.0
2012 65 49 0.00 0.0
2011 53 50 0.05 0.0
2010 62 48 0.88 0.0
2009 53 46 0.00 0.0
2008 71 55 0.00 0.0
2007 46 42 1.72 0.0
2006 76 52 0.00 0.0
2005 53 46 0.04 0.0
2004 75 53 0.22 0.0
2003 64 39 0.00 0.0
2002 52 37 1.09 0.0
2001 62 49 0.00 0.0
2000 71 54 0.14 0.0
1999 65 53 0.00 0.0
1998 83 54 0.00 0.0
1997 68 46 0.00 0.0
1996 56 49 0.02 0.0
1995 75 51 0.00 0.0
1994 53 46 0.02 0.0
1993 60 50 0.27 0.0
1992 79 55 0.01 0.0
1991 56 44 0.02 0.0
1990 57 45 0.12 0.0
1989 72 53 0.00 0.0
1988 55 49 0.06 0.0
1987 64 48 0.00 0.0
1986 78 61 0.00 0.0
1985 63 51 0.25 0.0
1984 57 44 0.00 0.0
1983 59 42 0.00 0.0
1982 69 52 0.00 0.0
1981 66 44 0.00 0.0
1980 65 53 0.10 0.0
1979 57 51 0.07 0.0
1978 58 49 0.01 0.0
1977 85 51 0.08 0.0
1976 80 58 0.01 0.0
1975 74 54 0.00 0.0
1974 76 58 0.00 0.0
1973 60 47 0.46 0.0
1972 65 50 0.00 0.0
1971 64 48 0.00 0.0
1970 57 50 1.07 0.0
1969 77 48 0.00 0.0
1968 51 47 0.14 0.0
1967 74 48 0.00 0.0
1966 60 47 0.00 0.0
1965 59 49 0.08 0.0
1964 70 54 0.00 0.0
1963 61 52 0.60 0.0
1962 68 53 0.04 0.0
1961 52 45 0.00 0.0
1960 62 52 0.00 0.0
1959 72 45 0.00 0.0
1958 79 55 0.00 0.0
1957 59 51 0.12 0.0
1956 51 43 0.02 0.0
1955 75 46 0.00 0.0
1954 71 53 0.00 0.0
1953 75 51 0.08 0.0
1952 56 50 0.12 0.0
1951 54 44 0.00 0.0
1950 53 46 0.09 0.0
1949 87 60 0.00 0.0
1948 68 51 0.80 0.0
1947 57 52 0.35 0.0
1946 50 45 0.31 0.0
1945 66 48 0.67 0.0
1944 67 44 0.00 0.0
1943 73 62 0.29 0.0
1942 58 53 0.18 0.0
1941 67 48 0.04 0.0
1940 64 49 0.00 0.0
1939 63 48 0.00 0.0
1938 56 48 0.00 0.0
1937 66 50 0.00 0.0
1936 91 61 0.00 0.0
1935 61 42 0.00 0.0
1934 70 51 0.00 0.0
1933 78 50 0.00 0.0
1932 61 52 0.00 0.0
1931 68 47 0.00 0.0
1930 62 51 0.00 0.0
1929 75 46 0.00 0.0
1928 66 56 0.13 0.0
1927 67 53 0.00 0.0
1926 81 51 0.00 0.0
1925 69 48 0.00 0.0
1924 74 56 0.00 0.0
1923 72 47 0.00 0.0
1922 65 49 0.99 0.0
1921 78 50 0.00 0.0
1920 77 55 0.00 0.0
1919 71 56 0.10 0.0
1918 87 60 0.00 0.0
1917 72 48 0.00 0.0
1916 58 46 0.00 0.0
1915 60 42 0.00 0.0
1914 76 54 0.00 0.0
1913 52 46 0.00 0.0
1912 77 55 0.00 0.0
1911 82 56 0.00 0.0
1910 65 50 0.16 0.0
1909 56 48 0.00 0.0
1908 70 57 0.00 0.0
1907 70 52 0.00 0.0
1906 80 56 0.00 0.0
1905 58 43 0.91 0.0
1904 56 49 0.12 0.0
1903 88 60 0.00 0.0
1902 78 49 0.00 0.0
1901 54 48 0.24 0.0
1900 53 46 0.40 0.0
1899 51 48 0.03 0.0
1898 66 47 0.00 0.0
1897 76 55 0.00 0.0
1896 85 63 0.00 0.0
1895 47 42 0.24 0.0
1894 66 51 0.01 0.0
1893 61 50 0.03 0.0
What's the all-time high for Boston on 5/18?
For the date of May 18, the highest temperature ever reached in Boston history is 95 °F which happened in 2017.
Highest Temperatures in Boston on May 18
Rank Temperature Year
1 95 °F 2017
2 91 °F 1936
3 88 °F 1903
4 87 °F 1918
4 87 °F 1949
6 85 °F 1977
6 85 °F 1896
8 84 °F 2021
9 83 °F 1998
10 82 °F 1911
What's the all-time low for Boston on 5/18?
For the date of May 18, the lowest temperature ever reached in Boston history is 37 °F which happened in 2002.
Lowest Temperatures in Boston on May 18
Rank Temperature Year
1 37 °F 2002
2 39 °F 2003
3 42 °F 1895
3 42 °F 1983
3 42 °F 2007
3 42 °F 2023
3 42 °F 1935
3 42 °F 1915
9 43 °F 1956
9 43 °F 1905
Lowest High Temperatures in Boston on May 18
Rank Temperature Year
1 46 °F 2007
2 47 °F 1895
3 50 °F 1946
4 51 °F 1968
4 51 °F 1956
4 51 °F 1899
7 52 °F 1913
7 52 °F 1961
7 52 °F 2002
10 53 °F 1994
10 53 °F 1950
10 53 °F 2005
10 53 °F 2011
10 53 °F 2009
10 53 °F 1900
What's the most it has ever rained in Boston on 5/18?
For the date of May 18, the most precipitation ever recorded in Boston history is 1.72 inches which happened in 2007.
All-Time Most Precipitation in Boston on May 18
Rank Precipitation Year
1 1.72 inches 2007
2 1.09 inches 2002
3 1.07 inches 1970
4 0.99 inches 1922
5 0.91 inches 1905
6 0.88 inches 2010
7 0.80 inches 1948
8 0.67 inches 1945
9 0.60 inches 1963
10 0.46 inches 1973
Weather Station Details
Years Station Coordinates
1936–2024 Boston Logan International Airport location
1893–1935 Boston City location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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