Boston February 21 Weather Records

Daily averages and all-time records for weather in Boston, Massachusetts for the date of February 21.
February 21 All-Time Records
1893–2024
Highest temperature 72 °F 2018
Lowest temperature -1 °F 1950
Lowest daily high 14 °F 1968
Highest daily low 45 °F 1994
Most precipitation 2.45 inches 1898
Most snow 8.5 inches 1947
February 21 Average Weather
1991–2020 1
Average high 40.3 °F
Average low 25.7 °F
Chance precipitation 39.5%
Chance snow 21.7%
Boston February 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2024 37 22 0.00 0.0
2023 46 33 0.15 0.0
2022 53 31 0.00 0.0
2021 33 19 0.00 0.0
2020 33 17 0.00 0.0
2019 48 26 0.42 1.3
2018 72 41 0.00 0.0
2017 40 30 0.00 0.0
2016 54 42 0.00 0.0
2015 34 4 0.17 1.1
2014 44 34 0.22 0.0
2013 33 25 0.00 0.0
2012 44 28 0.00 0.0
2011 30 14 0.08 1.3
2010 42 32 0.00 0.0
2009 39 27 0.00 0.0
2008 31 20 0.00 0.0
2007 45 34 0.00 0.0
2006 40 22 0.00 0.0
2005 34 24 0.37 5.5
2004 41 33 0.01 0.0
2003 53 29 0.00 0.0
2002 56 43 0.32 0.0
2001 42 19 0.00 0.0
2000 40 28 0.00 0.0
1999 34 24 0.00 0.0
1998 45 37 0.00 0.0
1997 61 33 0.00 0.0
1996 49 38 0.74 0.0
1995 36 31 0.02 0.1
1994 50 45 0.14 0.0
1993 34 14 0.59 5.9
1992 48 29 0.00 0.0
1991 50 33 0.00 0.0
1990 47 19 0.00 0.0
1989 61 36 1.09 0.0
1988 44 17 0.00 0.0
1987 41 24 0.00 0.0
1986 39 33 0.67 0.0
1985 39 27 0.00 0.0
1984 45 37 0.00 0.0
1983 48 27 0.00 0.0
1982 38 34 0.02 0.0
1981 46 41 0.21 0.0
1980 53 30 0.00 0.0
1979 50 28 0.09 0.0
1978 33 20 0.00 0.0
1977 33 21 0.02 0.1
1976 50 29 0.00 0.0
1975 43 35 0.00 0.0
1974 47 31 0.00 0.0
1973 50 37 0.00 0.0
1972 36 6 0.00 0.0
1971 31 26 0.07 0.5
1970 36 22 0.00 0.0
1969 38 32 0.01 0.0
1968 14 5 0.00 0.0
1967 38 22 0.13 0.3
1966 29 4 0.00 0.0
1965 45 17 0.01 0.0
1964 31 21 0.04 0.4
1963 44 11 0.00 0.0
1962 33 21 0.00 0.0
1961 38 25 0.00 0.0
1960 41 29 0.00 0.0
1959 30 11 0.01 0.2
1958 35 25 0.00 0.0
1957 42 24 0.00 0.0
1956 31 15 0.00 0.0
1955 45 34 0.00 0.0
1954 61 35 0.10 0.0
1953 60 40 0.08 0.0
1952 34 25 0.30 2.1
1951 40 36 0.02 0.0
1950 20 -1 0.00 0.0
1949 32 23 0.00 0.0
1948 31 18 0.00 0.0
1947 25 11 0.95 8.5
1946 26 12 0.00 0.0
1945 36 23 0.04 0.2
1944 44 31 0.00 0.0
1943 57 40 0.00 0.0
1942 20 10 0.00 0.0
1941 38 26 0.00 0.0
1940 36 22 0.10 0.8
1939 45 31 0.06 0.0
1938 30 18 0.00 0.0
1937 45 37 0.00 0.0
1936 31 11 0.00 0.0
1935 31 17 0.00 0.0
1934 36 10 0.00 0.0
1933 50 31 0.00 0.0
1932 38 13 0.00 0.0
1931 35 23 0.00 0.0
1930 62 40 0.00 0.0
1929 30 15 0.74 8.0
1928 25 14 0.00 0.0
1927 27 12 0.03 0.0
1926 31 14 0.00 0.0
1925 54 36 0.00 0.0
1924 33 23 0.00 0.0
1923 32 17 0.00 0.0
1922 41 31 0.00 0.0
1921 26 15 0.00 0.0
1920 34 18 0.02 0.2
1919 36 25 0.02 0.2
1918 14 4 0.00 0.0
1917 35 20 0.00 0.0
1916 15 0 0.00 0.0
1915 40 31 0.00 0.0
1914 21 12 0.00 0.0
1913 58 39 0.00 0.0
1912 51 28 0.73 0.0
1911 28 13 0.00 0.2
1910 56 36 0.26 0.0
1909 45 35 0.00 0.0
1908 39 20 0.00 0.0
1907 38 14 0.00 1.0
1906 63 42 0.66 0.0
1905 43 32 0.00 0.0
1904 42 18 0.00 0.0
1903 37 14 0.00 0.0
1902 36 24 0.08 1.0
1901 27 17 0.00 0.0
1900 45 25 0.00 0.0
1899 51 33 0.00 0.0
1898 38 33 2.45 0.0
1897 52 30 0.11 0.7
1896 25 11 0.00 0.0
1895 42 26 0.00 0.0
1894 37 28 0.00 0.0
1893 26 3 0.00 0.0
What's the all-time high for Boston on 2/21?
For the date of Feb 21, the highest temperature ever reached in Boston history is 72 °F which happened in 2018.
Highest Temperatures in Boston on February 21
Rank Temperature Year
1 72 °F 2018
2 63 °F 1906
3 62 °F 1930
4 61 °F 1954
4 61 °F 1997
4 61 °F 1989
7 60 °F 1953
8 58 °F 1913
9 57 °F 1943
10 56 °F 2002
10 56 °F 1910
What's the all-time low for Boston on 2/21?
For the date of Feb 21, the lowest temperature ever reached in Boston history is -1 °F which happened in 1950.
Lowest Temperatures in Boston on February 21
Rank Temperature Year
1 -1 °F 1950
2 0 °F 1916
3 3 °F 1893
4 4 °F 2015
4 4 °F 1918
4 4 °F 1966
7 5 °F 1968
8 6 °F 1972
9 10 °F 1942
9 10 °F 1934
Lowest High Temperatures in Boston on February 21
Rank Temperature Year
1 14 °F 1968
1 14 °F 1918
3 15 °F 1916
4 20 °F 1950
4 20 °F 1942
6 21 °F 1914
7 25 °F 1928
7 25 °F 1947
7 25 °F 1896
10 26 °F 1893
10 26 °F 1946
10 26 °F 1921
What's the most it has ever rained in Boston on 2/21?
For the date of Feb 21, the most precipitation ever recorded in Boston history is 2.45 inches which happened in 1898.
All-Time Most Precipitation in Boston on February 21
Rank Precipitation Year
1 2.45 inches 1898
2 1.09 inches 1989
3 0.95 inches 1947
4 0.74 inches 1929
4 0.74 inches 1996
6 0.73 inches 1912
7 0.67 inches 1986
8 0.66 inches 1906
9 0.59 inches 1993
10 0.42 inches 2019
All-Time Most Snow in Boston on February 21
Rank Precipitation Year
1 8.5 inches 1947
2 8.0 inches 1929
3 5.9 inches 1993
4 5.5 inches 2005
5 2.1 inches 1952
6 1.3 inches 2019
6 1.3 inches 2011
8 1.1 inches 2015
9 1.0 inches 1902
9 1.0 inches 1907
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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