Milwaukee August 21 Weather Records

Daily averages and all-time records for weather in Milwaukee, Wisconsin for the date of August 21.
August 21 All-Time Records
1871–2024
Highest temperature 100 °F 1955
Lowest temperature 46 °F 1950
Lowest daily high 65 °F 1939
Highest daily low 79 °F 1872
Most precipitation 1.95 inches 1886
Most snow none -
August 21 Average Weather
1991–2020 1
Average high 78.9 °F
Average low 63.1 °F
Chance precipitation 29.2%
Chance snow 0%
Milwaukee August 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 75 68 0.00 0.0
2022 77 67 0.00 0.0
2021 89 73 0.58 0.0
2020 85 65 0.00 0.0
2019 85 68 0.00 0.0
2018 77 63 0.03 0.0
2017 84 68 0.00 0.0
2016 75 60 0.00 0.0
2015 83 55 0.00 0.0
2014 77 65 0.44 0.0
2013 89 69 0.00 0.0
2012 77 56 0.00 0.0
2011 80 62 0.00 0.0
2010 82 69 0.02 0.0
2009 70 59 0.35 0.0
2008 77 67 0.01 0.0
2007 75 65 0.01 0.0
2006 83 58 0.00 0.0
2005 80 63 0.00 0.0
2004 67 50 0.00 0.0
2003 96 73 0.00 0.0
2002 86 64 0.95 0.0
2001 78 60 0.06 0.0
2000 72 60 0.00 0.0
1999 78 57 0.00 0.0
1998 86 69 0.01 0.0
1997 68 56 0.00 0.0
1996 86 70 0.00 0.0
1995 88 62 0.00 0.0
1994 74 60 0.00 0.0
1993 75 61 0.00 0.0
1992 79 58 0.00 0.0
1991 83 58 0.00 0.0
1990 68 64 0.01 0.0
1989 78 59 0.00 0.0
1988 75 61 0.00 0.0
1987 84 70 0.32 0.0
1986 71 65 0.00 0.0
1985 70 57 0.00 0.0
1984 85 58 0.51 0.0
1983 92 67 0.20 0.0
1982 71 60 0.00 0.0
1981 75 53 0.00 0.0
1980 82 68 0.00 0.0
1979 74 63 0.00 0.0
1978 77 56 0.00 0.0
1977 70 59 0.24 0.0
1976 86 61 0.00 0.0
1975 88 70 0.04 0.0
1974 83 66 0.00 0.0
1973 70 58 0.00 0.0
1972 87 69 0.00 0.0
1971 77 65 0.00 0.0
1970 76 56 0.00 0.0
1969 73 53 0.00 0.0
1968 92 77 0.00 0.0
1967 80 57 0.00 0.0
1966 77 65 0.68 0.0
1965 75 63 0.00 0.0
1964 81 62 1.37 0.0
1963 83 59 0.00 0.0
1962 85 57 0.00 0.0
1961 74 51 0.00 0.0
1960 77 59 0.00 0.0
1959 95 73 1.32 0.0
1958 79 61 0.12 0.0
1957 78 56 0.00 0.0
1956 78 48 0.00 0.0
1955 100 72 0.00 0.0
1954 77 61 0.00 0.0
1953 83 57 0.00 0.0
1952 75 59 0.00 0.0
1951 73 57 0.00 0.0
1950 74 46 0.34 0.0
1949 74 54 0.00 0.0
1948 88 63 0.00 0.0
1947 88 70 0.00 0.0
1946 80 58 0.00 0.0
1945 75 60 0.57 0.0
1944 81 62 0.00 0.0
1943 84 60 0.00 0.0
1942 91 70 0.00 0.0
1941 79 62 0.00 0.0
1940 74 50 0.02 n/a
1939 65 55 0.00 0.0
1938 75 65 0.00 0.0
1937 72 61 0.00 0.0
1936 79 66 0.48 0.0
1935 72 61 0.00 0.0
1934 74 54 0.03 0.0
1933 76 65 0.00 0.0
1932 81 64 0.00 0.0
1931 77 65 0.00 0.0
1930 74 64 0.00 0.0
1929 77 60 0.00 0.0
1928 78 63 0.00 0.0
1927 80 55 0.00 0.0
1926 84 62 0.00 0.0
1925 70 50 0.00 0.0
1924 81 59 0.00 0.0
1923 70 55 0.74 0.0
1922 75 67 0.00 0.0
1921 70 54 0.00 0.0
1920 71 57 0.06 0.0
1919 81 63 0.00 0.0
1918 91 72 0.00 0.0
1917 69 60 0.00 0.0
1916 86 71 0.00 0.0
1915 73 63 0.00 0.0
1914 77 63 0.00 0.0
1913 88 68 0.01 0.0
1912 80 65 0.00 0.0
1911 82 60 0.00 0.0
1910 88 67 0.00 0.0
1909 71 59 0.00 0.0
1908 78 55 0.00 0.0
1907 66 51 0.00 0.0
1906 92 75 0.00 0.0
1905 87 67 0.01 0.0
1904 85 60 0.90 0.0
1903 82 62 0.00 0.0
1902 67 60 0.00 0.0
1901 77 66 0.00 0.0
1900 75 64 0.49 0.0
1899 85 68 0.00 0.0
1898 81 68 0.00 0.0
1897 76 54 0.00 0.0
1896 76 66 0.00 0.0
1895 69 62 0.00 0.0
1894 69 61 0.00 0.0
1893 73 55 0.00 0.0
1892 75 60 0.00 0.0
1891 81 61 0.00 0.0
1890 74 57 0.04 0.0
1889 78 61 0.00 0.0
1888 76 60 0.00 0.0
1887 76 64 0.07 0.0
1886 79 68 1.95 0.0
1885 74 62 0.53 0.0
1884 72 63 0.00 0.0
1883 82 64 0.00 n/a
1882 84 67 0.00 n/a
1881 70 57 0.00 n/a
1880 76 56 0.00 n/a
1879 89 72 0.00 n/a
1878 76 63 0.00 n/a
1877 75 65 1.24 n/a
1876 68 58 0.00 n/a
1875 66 50 0.35 n/a
1874 80 63 0.00 n/a
1873 94 74 0.00 n/a
1872 94 79 0.00 n/a
1871 74 62 0.00 n/a
What's the all-time high for Milwaukee on 8/21?
For the date of Aug 21, the highest temperature ever reached in Milwaukee history is 100 °F which happened in 1955.
Highest Temperatures in Milwaukee on August 21
Rank Temperature Year
1 100 °F 1955
2 96 °F 2003
3 95 °F 1959
4 94 °F 1872
4 94 °F 1873
6 92 °F 1906
6 92 °F 1983
6 92 °F 1968
9 91 °F 1918
9 91 °F 1942
What's the all-time low for Milwaukee on 8/21?
For the date of Aug 21, the lowest temperature ever reached in Milwaukee history is 46 °F which happened in 1950.
Lowest Temperatures in Milwaukee on August 21
Rank Temperature Year
1 46 °F 1950
2 48 °F 1956
3 50 °F 1875
3 50 °F 2004
3 50 °F 1940
3 50 °F 1925
7 51 °F 1907
7 51 °F 1961
9 53 °F 1981
9 53 °F 1969
Lowest High Temperatures in Milwaukee on August 21
Rank Temperature Year
1 65 °F 1939
2 66 °F 1907
2 66 °F 1875
4 67 °F 2004
4 67 °F 1902
6 68 °F 1997
6 68 °F 1990
6 68 °F 1876
9 69 °F 1894
9 69 °F 1917
9 69 °F 1895
What's the most it has ever rained in Milwaukee on 8/21?
For the date of Aug 21, the most precipitation ever recorded in Milwaukee history is 1.95 inches which happened in 1886.
All-Time Most Precipitation in Milwaukee on August 21
Rank Precipitation Year
1 1.95 inches 1886
2 1.37 inches 1964
3 1.32 inches 1959
4 1.24 inches 1877
5 0.95 inches 2002
6 0.90 inches 1904
7 0.74 inches 1923
8 0.68 inches 1966
9 0.58 inches 2021
10 0.57 inches 1945
Weather Station Details
Years Station Coordinates
1939–2024 Milwaukee Mitchell Airport location
1871–1938 Milwaukee WB location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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