Austin August 21 Weather Records

Daily averages and all-time records for weather in Austin, Texas for the date of August 21.
August 21 All-Time Records
1893–2024
Highest temperature 106 °F 2023
Lowest temperature 62 °F 1940
Lowest daily high 79 °F 1919
Highest daily low 81 °F 1910
Most precipitation 1.61 inches 1931
Most snow none -
August 21 Average Weather
1991–2020 1
Average high 96.5 °F
Average low 72.9 °F
Chance precipitation 18.0%
Chance snow 0%
Austin August 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 106 77 0.00 0.0
2022 93 75 0.01 0.0
2021 94 72 0.00 0.0
2020 102 69 0.00 0.0
2019 100 74 0.00 0.0
2018 103 76 0.00 0.0
2017 97 74 0.00 0.0
2016 81 73 0.06 0.0
2015 90 70 0.16 0.0
2014 102 78 0.00 0.0
2013 96 71 0.00 0.0
2012 92 68 0.00 0.0
2011 102 69 0.00 0.0
2010 100 74 0.00 0.0
2009 102 77 0.00 0.0
2008 95 72 0.00 0.0
2007 91 70 0.22 0.0
2006 101 71 0.00 0.0
2005 99 71 0.00 0.0
2004 90 72 0.41 0.0
2003 96 71 0.00 0.0
2002 97 74 0.00 0.0
2001 98 66 0.00 0.0
2000 100 71 0.00 0.0
1999 104 75 0.00 0.0
1998 98 74 0.03 0.0
1997 97 75 0.00 0.0
1996 96 74 0.00 0.0
1995 97 77 0.40 0.0
1994 82 72 0.07 0.0
1993 98 74 0.00 0.0
1992 93 67 0.00 0.0
1991 98 75 0.00 0.0
1990 102 75 0.00 0.0
1989 99 74 0.00 0.0
1988 99 76 0.00 0.0
1987 97 73 0.00 0.0
1986 91 77 0.00 0.0
1985 100 76 0.00 0.0
1984 100 76 0.00 0.0
1983 95 76 0.00 0.0
1982 98 76 0.00 0.0
1981 94 72 0.00 0.0
1980 101 73 0.00 0.0
1979 95 72 0.00 0.0
1978 97 74 0.00 0.0
1977 99 78 0.00 0.0
1976 92 68 0.00 0.0
1975 96 74 0.00 0.0
1974 94 72 0.00 0.0
1973 99 74 0.00 0.0
1972 97 74 0.00 0.0
1971 93 73 0.00 0.0
1970 99 76 0.00 0.0
1969 97 74 0.00 0.0
1968 96 74 0.00 0.0
1967 93 71 0.00 0.0
1966 95 76 0.00 0.0
1965 97 72 0.00 0.0
1964 100 77 0.00 0.0
1963 103 78 0.01 0.0
1962 97 74 0.00 0.0
1961 92 70 0.00 0.0
1960 91 77 0.00 0.0
1959 94 72 0.00 0.0
1958 96 76 0.00 0.0
1957 96 70 0.00 0.0
1956 89 69 0.00 0.0
1955 92 74 0.08 0.0
1954 100 78 0.00 0.0
1953 90 70 0.00 0.0
1952 97 75 0.00 0.0
1951 96 73 0.00 0.0
1950 93 66 0.00 0.0
1949 93 72 0.00 0.0
1948 103 73 0.00 0.0
1947 87 71 0.00 0.0
1946 93 71 0.00 0.0
1945 93 70 0.00 0.0
1944 96 71 0.00 0.0
1943 97 75 0.00 0.0
1942 94 73 0.00 0.0
1941 98 76 0.00 0.0
1940 87 62 0.00 0.0
1939 94 69 0.00 0.0
1938 96 74 0.00 0.0
1937 96 77 0.00 0.0
1936 95 74 0.00 0.0
1935 93 74 0.05 0.0
1934 98 75 0.00 0.0
1933 93 73 0.00 0.0
1932 91 74 0.00 0.0
1931 95 70 1.61 0.0
1930 101 78 0.00 0.0
1929 98 74 0.00 0.0
1928 97 76 0.00 0.0
1927 87 66 0.17 0.0
1926 n/a n/a n/a n/a
1925 105 70 0.00 n/a
1924 n/a n/a n/a 0.0
1923 103 74 0.00 n/a
1922 100 74 0.00 n/a
1921 101 73 0.00 n/a
1920 95 75 0.00 n/a
1919 79 70 1.02 n/a
1918 98 77 0.00 n/a
1917 104 78 0.00 n/a
1916 94 70 0.00 n/a
1915 90 72 0.00 n/a
1914 94 73 0.00 n/a
1913 88 72 0.00 n/a
1912 98 77 0.00 0.0
1911 99 78 0.00 0.0
1910 100 81 0.00 0.0
1909 92 74 0.00 n/a
1908 97 73 0.00 0.0
1907 90 71 0.00 n/a
1906 87 75 0.18 n/a
1905 97 78 0.00 0.0
1904 94 74 0.00 n/a
1903 92 68 n/a n/a
1902 98 75 0.00 n/a
1901 100 65 1.10 n/a
1900 89 70 0.00 n/a
1899 98 74 0.00 n/a
1898 94 73 0.00 n/a
1897 n/a n/a n/a n/a
1896 98 74 0.00 n/a
1895 96 76 n/a n/a
1894 92 75 n/a n/a
1893 94 76 0.00 n/a
What's the all-time high for Austin on 8/21?
For the date of Aug 21, the highest temperature ever reached in Austin history is 106 °F which happened in 2023.
Highest Temperatures in Austin on August 21
Rank Temperature Year
1 106 °F 2023
2 105 °F 1925
3 104 °F 1999
3 104 °F 1917
5 103 °F 1963
5 103 °F 1948
5 103 °F 2018
5 103 °F 1923
9 102 °F 1990
9 102 °F 2011
9 102 °F 2020
9 102 °F 2014
9 102 °F 2009
What's the all-time low for Austin on 8/21?
For the date of Aug 21, the lowest temperature ever reached in Austin history is 62 °F which happened in 1940.
Lowest Temperatures in Austin on August 21
Rank Temperature Year
1 62 °F 1940
2 65 °F 1901
3 66 °F 2001
3 66 °F 1927
3 66 °F 1950
6 67 °F 1992
7 68 °F 1903
7 68 °F 2012
7 68 °F 1976
10 69 °F 2020
10 69 °F 2011
10 69 °F 1956
10 69 °F 1939
Lowest High Temperatures in Austin on August 21
Rank Temperature Year
1 79 °F 1919
2 81 °F 2016
3 82 °F 1994
4 87 °F 1906
4 87 °F 1947
4 87 °F 1940
4 87 °F 1927
8 88 °F 1913
9 89 °F 1900
9 89 °F 1956
What's the most it has ever rained in Austin on 8/21?
For the date of Aug 21, the most precipitation ever recorded in Austin history is 1.61 inches which happened in 1931.
All-Time Most Precipitation in Austin on August 21
Rank Precipitation Year
1 1.61 inches 1931
2 1.10 inches 1901
3 1.02 inches 1919
4 0.41 inches 2004
5 0.40 inches 1995
6 0.22 inches 2007
7 0.18 inches 1906
8 0.17 inches 1927
9 0.16 inches 2015
10 0.08 inches 1955
Weather Station Details
Years Station Coordinates
2000–2024 Austin Bergstrom Airport location
1942–1999 Austin Camp Mabry location
1893–1941 Austin University of Texas location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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