Washington D.C. August 20 Weather Records

Daily averages and all-time records for weather in Washington D.C. for the date of August 20.
August 20 All-Time Records
1851–2024
Highest temperature 101 °F 1983
Lowest temperature 50 °F 1896
Lowest daily high 66 °F 1851
Highest daily low 78 °F 2002
Most precipitation 4.83 inches 1963
Most snow none -
August 20 Average Weather
1991–2020 1
Average high 86.7 °F
Average low 70.0 °F
Chance precipitation 27.8%
Chance snow 0%
Washington D.C. August 20 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 88 66 0.00 0.0
2022 89 71 0.00 0.0
2021 85 71 2.28 0.0
2020 84 68 0.00 0.0
2019 96 74 0.36 0.0
2018 82 71 0.00 0.0
2017 88 70 0.00 0.0
2016 91 75 0.00 0.0
2015 86 74 0.17 0.0
2014 89 72 0.26 0.0
2013 89 69 0.00 0.0
2012 82 69 0.00 0.0
2011 88 69 0.00 0.0
2010 92 71 0.00 0.0
2009 94 74 0.00 0.0
2008 83 67 0.00 0.0
2007 72 64 0.66 0.0
2006 92 76 0.00 0.0
2005 90 74 0.00 0.0
2004 89 72 0.00 0.0
2003 86 71 0.00 0.0
2002 94 78 0.00 0.0
2001 85 71 0.07 0.0
2000 76 64 0.00 0.0
1999 85 69 0.16 0.0
1998 82 57 0.00 0.0
1997 74 65 2.06 0.0
1996 84 68 0.00 0.0
1995 89 64 0.00 0.0
1994 86 69 0.00 0.0
1993 88 71 0.02 0.0
1992 80 63 0.00 0.0
1991 86 68 0.05 0.0
1990 72 64 0.57 0.0
1989 88 70 0.00 0.0
1988 71 67 1.04 0.0
1987 90 70 0.00 0.0
1986 76 68 0.15 0.0
1985 84 71 0.17 0.0
1984 78 64 0.00 0.0
1983 101 74 0.00 0.0
1982 88 68 0.00 0.0
1981 81 65 0.00 0.0
1980 86 73 0.00 0.0
1979 86 70 0.00 0.0
1978 85 72 0.00 0.0
1977 80 66 0.00 0.0
1976 83 61 0.00 0.0
1975 84 72 0.00 0.0
1974 88 67 0.00 0.0
1973 86 67 2.88 0.0
1972 85 66 0.00 0.0
1971 91 68 0.00 0.0
1970 90 72 0.00 0.0
1969 82 64 1.50 0.0
1968 92 71 0.00 0.0
1967 83 68 1.75 0.0
1966 91 76 0.00 0.0
1965 86 69 0.00 0.0
1964 85 56 0.00 0.0
1963 85 67 4.83 0.0
1962 99 74 0.00 0.0
1961 75 67 0.38 0.0
1960 89 70 0.00 0.0
1959 91 70 0.00 0.0
1958 84 63 0.00 0.0
1957 81 62 0.01 0.0
1956 74 61 0.98 0.0
1955 93 71 0.00 0.0
1954 89 70 0.05 0.0
1953 81 60 0.00 0.0
1952 83 64 1.13 0.0
1951 88 72 0.00 0.0
1950 84 70 0.12 0.0
1949 74 60 0.00 0.0
1948 84 67 0.23 0.0
1947 95 75 0.12 0.0
1946 83 67 0.00 0.0
1945 86 65 0.00 0.0
1944 83 60 0.00 0.0
1943 85 59 0.00 0.0
1942 88 67 0.00 0.0
1941 79 65 0.00 0.0
1940 75 61 0.00 0.0
1939 93 68 0.29 0.0
1938 87 66 0.00 0.0
1937 97 76 0.00 0.0
1936 94 75 0.00 0.0
1935 78 73 0.10 0.0
1934 83 66 0.00 0.0
1933 81 67 0.03 0.0
1932 82 64 0.00 0.0
1931 75 68 0.02 0.0
1930 82 59 0.00 0.0
1929 77 58 0.00 0.0
1928 81 64 0.00 0.0
1927 75 62 0.00 0.0
1926 67 60 0.46 0.0
1925 88 70 0.69 0.0
1924 84 65 0.01 0.0
1923 80 67 0.00 0.0
1922 74 59 0.00 0.0
1921 93 65 0.00 0.0
1920 73 65 1.79 0.0
1919 87 64 0.00 0.0
1918 80 53 0.00 0.0
1917 90 67 0.00 0.0
1916 87 64 0.00 0.0
1915 81 56 0.02 0.0
1914 96 74 0.00 0.0
1913 79 63 0.00 0.0
1912 85 71 0.00 0.0
1911 79 57 0.00 0.0
1910 82 58 0.00 0.0
1909 87 66 0.16 0.0
1908 77 59 0.00 0.0
1907 82 70 0.70 0.0
1906 84 73 0.30 0.0
1905 77 62 0.00 0.0
1904 86 68 0.09 0.0
1903 78 66 0.00 0.0
1902 83 68 0.00 0.0
1901 87 74 0.00 0.0
1900 84 66 0.13 0.0
1899 96 71 0.00 0.0
1898 81 66 0.00 0.0
1897 80 64 0.00 0.0
1896 78 50 0.00 0.0
1895 81 54 0.00 0.0
1894 82 65 0.05 0.0
1893 88 66 0.06 0.0
1892 88 61 0.00 0.0
1891 84 64 0.01 0.0
1890 80 71 0.17 0.0
1889 87 63 0.00 0.0
1888 81 69 0.07 0.0
1887 87 70 0.03 0.0
1886 77 57 0.00 0.0
1885 82 65 0.00 0.0
1884 95 67 0.00 0.0
1883 94 68 0.00 n/a
1882 81 59 0.00 n/a
1881 88 64 0.00 n/a
1880 88 67 0.01 n/a
1879 85 60 0.00 n/a
1878 84 66 0.00 n/a
1877 86 66 0.01 n/a
1876 84 69 0.00 n/a
1875 82 66 0.00 n/a
1874 100 70 0.00 n/a
1873 78 68 0.07 n/a
1872 92 76 0.00 n/a
1871 n/a n/a 0.00 n/a
1870 n/a n/a n/a n/a
1869 n/a n/a n/a n/a
1868 n/a n/a n/a n/a
1867 n/a n/a n/a n/a
1866 n/a n/a n/a n/a
1865 n/a n/a n/a n/a
1864 n/a n/a n/a n/a
1863 n/a n/a n/a n/a
1862 n/a n/a n/a n/a
1861 n/a n/a n/a n/a
1860 n/a n/a n/a n/a
1859 n/a n/a 0.00 n/a
1858 78 58 0.00 n/a
1857 n/a n/a 0.00 n/a
1856 n/a n/a 0.00 n/a
1855 n/a n/a 0.00 n/a
1854 n/a n/a n/a n/a
1853 n/a n/a 0.00 n/a
1852 n/a n/a n/a n/a
1851 66 59 n/a n/a
What's the all-time high for Washington D.C. on 8/20?
For the date of Aug 20, the highest temperature ever reached in Washington D.C. history is 101 °F which happened in 1983.
Highest Temperatures in Washington D.C. on August 20
Rank Temperature Year
1 101 °F 1983
2 100 °F 1874
3 99 °F 1962
4 97 °F 1937
5 96 °F 2019
5 96 °F 1914
5 96 °F 1899
8 95 °F 1947
8 95 °F 1884
10 94 °F 1936
10 94 °F 1883
10 94 °F 2002
10 94 °F 2009
What's the all-time low for Washington D.C. on 8/20?
For the date of Aug 20, the lowest temperature ever reached in Washington D.C. history is 50 °F which happened in 1896.
Lowest Temperatures in Washington D.C. on August 20
Rank Temperature Year
1 50 °F 1896
2 53 °F 1918
3 54 °F 1895
4 56 °F 1964
4 56 °F 1915
6 57 °F 1886
6 57 °F 1998
6 57 °F 1911
9 58 °F 1858
9 58 °F 1929
9 58 °F 1910
Lowest High Temperatures in Washington D.C. on August 20
Rank Temperature Year
1 66 °F 1851
2 67 °F 1926
3 71 °F 1988
4 72 °F 1990
4 72 °F 2007
6 73 °F 1920
7 74 °F 1922
7 74 °F 1956
7 74 °F 1949
7 74 °F 1997
What's the most it has ever rained in Washington D.C. on 8/20?
For the date of Aug 20, the most precipitation ever recorded in Washington D.C. history is 4.83 inches which happened in 1963.
All-Time Most Precipitation in Washington D.C. on August 20
Rank Precipitation Year
1 4.83 inches 1963
2 2.88 inches 1973
3 2.28 inches 2021
4 2.06 inches 1997
5 1.79 inches 1920
6 1.75 inches 1967
7 1.50 inches 1969
8 1.13 inches 1952
9 1.04 inches 1988
10 0.98 inches 1956
Weather Station Details
Years Station Coordinates
1945–2024 Washington Reagan Airport location
1851–1945 Washington D.C. location