Boston April 20 Weather Records

Daily averages and all-time records for weather in Boston, Massachusetts for the date of April 20.
April 20 All-Time Records
1893–2024
Highest temperature 89 °F 1976
Lowest temperature 21 °F 1897
Lowest daily high 38 °F 1925
Highest daily low 61 °F 1976
Most precipitation 0.82 inches 1940
Most snow 1.0 inches 1904
April 20 Average Weather
1991–2020 1
Average high 58.5 °F
Average low 42.5 °F
Chance precipitation 38.4%
Chance snow 1.4%
Boston April 20 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2024 60 46 0.29 0.0
2023 58 42 0.00 0.0
2022 57 41 0.00 0.0
2021 76 51 0.00 0.0
2020 51 38 0.00 0.0
2019 74 59 0.17 0.0
2018 53 36 0.00 0.0
2017 55 44 0.01 0.0
2016 51 44 0.00 0.0
2015 51 41 0.61 0.0
2014 48 39 0.00 0.0
2013 65 44 0.38 0.0
2012 77 49 0.00 0.0
2011 46 42 0.00 0.0
2010 69 48 0.00 0.0
2009 48 38 0.09 0.0
2008 55 45 0.00 0.0
2007 51 36 0.00 0.0
2006 64 45 0.00 0.0
2005 87 52 0.03 0.0
2004 72 46 0.00 0.0
2003 52 36 0.00 0.0
2002 69 50 0.01 0.0
2001 63 38 0.00 0.0
2000 54 41 0.01 0.0
1999 58 44 0.00 0.0
1998 54 45 0.66 0.0
1997 58 39 0.00 0.0
1996 71 43 0.00 0.0
1995 67 46 0.00 0.0
1994 60 45 0.00 0.0
1993 71 52 0.00 0.0
1992 64 42 0.00 0.0
1991 49 42 0.00 0.0
1990 61 42 0.00 0.0
1989 59 40 0.00 0.0
1988 50 38 0.00 0.0
1987 50 46 0.03 0.0
1986 51 38 0.00 0.0
1985 52 45 0.00 0.0
1984 56 41 0.00 0.0
1983 46 37 0.03 0.0
1982 71 42 0.00 0.0
1981 53 38 0.01 0.0
1980 75 48 0.00 0.0
1979 57 39 0.00 0.0
1978 57 47 0.38 0.0
1977 69 42 0.00 0.0
1976 89 61 0.00 0.0
1975 60 45 0.00 0.0
1974 50 35 0.00 0.0
1973 50 42 0.00 0.0
1972 45 35 0.81 0.0
1971 57 44 0.00 0.0
1970 46 38 0.20 0.0
1969 45 36 0.00 0.0
1968 50 44 0.00 0.0
1967 59 38 0.00 0.0
1966 46 43 0.05 0.0
1965 40 35 0.00 0.0
1964 47 38 0.04 0.0
1963 75 45 0.18 0.0
1962 52 40 0.00 0.0
1961 53 35 0.00 0.0
1960 57 39 0.00 0.0
1959 49 40 0.70 0.0
1958 69 49 0.00 0.0
1957 69 47 0.00 0.0
1956 50 37 0.04 0.0
1955 65 42 0.00 0.0
1954 85 44 0.00 0.0
1953 49 36 0.04 0.0
1952 78 54 0.00 0.0
1951 58 41 0.00 0.0
1950 63 45 0.32 0.0
1949 61 42 0.00 0.0
1948 67 44 0.00 0.0
1947 42 34 0.45 0.2
1946 59 41 0.07 0.0
1945 61 42 0.00 0.0
1944 50 41 0.00 0.0
1943 43 36 0.18 0.0
1942 46 40 0.06 0.0
1941 89 53 0.00 0.0
1940 47 36 0.82 0.0
1939 61 47 0.00 0.0
1938 81 50 0.00 0.0
1937 61 44 0.00 0.0
1936 59 39 0.00 0.0
1935 65 43 0.00 0.0
1934 52 45 0.60 0.0
1933 47 36 0.00 0.0
1932 70 43 0.00 0.0
1931 78 52 0.00 0.0
1930 57 40 0.00 0.0
1929 57 44 0.33 0.0
1928 53 35 0.00 0.0
1927 89 54 0.00 0.0
1926 44 25 0.00 0.0
1925 38 32 0.10 0.0
1924 51 38 0.18 0.0
1923 78 39 0.00 0.0
1922 51 33 0.05 0.0
1921 72 39 0.00 0.0
1920 67 46 0.00 0.0
1919 68 45 0.00 0.0
1918 44 34 0.00 0.0
1917 50 44 0.17 0.0
1916 63 44 0.00 0.0
1915 77 54 0.00 0.0
1914 66 53 0.26 0.0
1913 40 34 0.00 0.0
1912 60 41 0.00 0.0
1911 43 36 0.25 0.0
1910 68 51 0.00 0.0
1909 65 42 0.04 0.0
1908 45 35 0.00 0.0
1907 48 33 0.00 0.0
1906 63 44 0.00 0.0
1905 70 43 0.01 0.0
1904 38 26 0.44 1.0
1903 64 39 0.00 0.0
1902 60 42 0.00 0.0
1901 43 37 0.03 0.0
1900 70 47 0.00 0.0
1899 46 38 0.00 0.0
1898 48 38 0.57 0.0
1897 39 21 0.00 0.0
1896 75 61 0.34 0.0
1895 50 42 0.00 0.0
1894 69 52 0.00 0.0
1893 41 35 0.10 0.0
What's the all-time high for Boston on 4/20?
For the date of Apr 20, the highest temperature ever reached in Boston history is 89 °F which has happened 3 times, most recently in 1976.
Highest Temperatures in Boston on April 20
Rank Temperature Year
1 89 °F 1927
1 89 °F 1976
1 89 °F 1941
4 87 °F 2005
5 85 °F 1954
6 81 °F 1938
7 78 °F 1952
7 78 °F 1931
7 78 °F 1923
10 77 °F 2012
10 77 °F 1915
What's the all-time low for Boston on 4/20?
For the date of Apr 20, the lowest temperature ever reached in Boston history is 21 °F which happened in 1897.
Lowest Temperatures in Boston on April 20
Rank Temperature Year
1 21 °F 1897
2 25 °F 1926
3 26 °F 1904
4 32 °F 1925
5 33 °F 1907
5 33 °F 1922
7 34 °F 1913
7 34 °F 1947
7 34 °F 1918
10 35 °F 1972
10 35 °F 1961
10 35 °F 1965
10 35 °F 1928
10 35 °F 1893
10 35 °F 1908
10 35 °F 1974
Lowest High Temperatures in Boston on April 20
Rank Temperature Year
1 38 °F 1904
1 38 °F 1925
3 39 °F 1897
4 40 °F 1913
4 40 °F 1965
6 41 °F 1893
7 42 °F 1947
8 43 °F 1911
8 43 °F 1901
8 43 °F 1943
What's the most it has ever rained in Boston on 4/20?
For the date of Apr 20, the most precipitation ever recorded in Boston history is 0.82 inches which happened in 1940.
All-Time Most Precipitation in Boston on April 20
Rank Precipitation Year
1 0.82 inches 1940
2 0.81 inches 1972
3 0.70 inches 1959
4 0.66 inches 1998
5 0.61 inches 2015
6 0.60 inches 1934
7 0.57 inches 1898
8 0.45 inches 1947
9 0.44 inches 1904
10 0.38 inches 1978
10 0.38 inches 2013
All-Time Most Snow in Boston on April 20
Rank Precipitation Year
1 1.0 inches 1904
2 0.2 inches 1947
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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