San Jose October 21 Weather Records

Daily averages and all-time records for weather in San Jose, California for the date of October 21.
October 21 All-Time Records
1893–2024
Highest temperature 89 °F 1929
Lowest temperature 35 °F 1912
Lowest daily high 56 °F 1916
Highest daily low 62 °F 2021
Most precipitation 0.85 inches 1899
October 21 Average Weather
1991–2020 1
Average high 74.7 °F
Average low 52.0 °F
Chance precipitation 11.6%
San Jose October 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 75 58 0.00 n/a
2022 72 55 0.00 n/a
2021 77 62 0.00 n/a
2020 87 54 0.00 n/a
2019 83 51 0.00 n/a
2018 68 54 0.00 n/a
2017 70 47 0.00 n/a
2016 79 53 0.00 n/a
2015 82 52 0.00 n/a
2014 70 48 0.00 n/a
2013 70 51 0.00 n/a
2012 n/a n/a 0.02 n/a
2011 74 53 0.00 n/a
2010 69 51 0.00 n/a
2009 73 56 0.00 n/a
2008 80 49 0.00 n/a
2007 75 50 0.00 n/a
2006 85 52 0.00 n/a
2005 73 51 0.00 n/a
2004 67 48 0.00 n/a
2003 82 55 0.00 n/a
2002 70 51 0.00 n/a
2001 63 54 0.00 n/a
2000 71 53 0.00 n/a
1999 83 53 0.00 n/a
1998 83 52 0.00 0.0
1997 71 54 0.00 0.0
1996 69 43 0.00 0.0
1995 75 54 0.00 0.0
1994 76 48 0.00 0.0
1993 73 57 0.00 0.0
1992 72 61 0.21 0.0
1991 79 58 0.00 0.0
1990 77 47 0.00 0.0
1989 68 60 0.07 0.0
1988 69 52 0.00 0.0
1987 75 55 0.00 0.0
1986 74 55 0.00 0.0
1985 62 51 0.17 0.0
1984 n/a n/a n/a 0.0
1983 77 49 0.00 0.0
1982 75 58 0.00 0.0
1981 69 54 0.00 0.0
1980 76 48 0.00 0.0
1979 70 45 0.00 0.0
1978 67 51 0.00 0.0
1977 69 43 0.00 0.0
1976 75 51 0.00 0.0
1975 82 52 0.00 0.0
1974 76 46 0.00 0.0
1973 72 58 0.00 0.0
1972 66 51 0.00 0.0
1971 69 41 0.00 0.0
1970 65 49 0.00 0.0
1969 76 47 0.00 0.0
1968 73 43 0.00 0.0
1967 72 51 0.00 0.0
1966 67 50 0.00 0.0
1965 85 48 0.00 0.0
1964 87 48 0.00 0.0
1963 n/a n/a n/a n/a
1962 70 54 0.00 0.0
1961 65 43 0.00 0.0
1960 68 51 0.00 0.0
1959 75 50 0.00 0.0
1958 79 48 0.00 0.0
1957 71 50 0.00 0.0
1956 75 48 0.00 0.0
1955 66 55 0.00 0.0
1954 77 47 0.00 0.0
1953 70 51 0.00 0.0
1952 69 52 0.00 0.0
1951 70 47 0.00 0.0
1950 74 50 0.00 0.0
1949 70 40 0.00 0.0
1948 80 49 0.00 0.0
1947 66 51 0.01 0.0
1946 75 48 0.00 0.0
1945 66 51 0.00 0.0
1944 74 60 0.16 0.0
1943 65 52 0.06 0.0
1942 87 52 0.00 0.0
1941 59 50 0.21 n/a
1940 73 54 0.00 n/a
1939 88 51 0.00 0.0
1938 80 46 0.00 n/a
1937 88 51 0.00 n/a
1936 69 52 0.00 n/a
1935 71 42 0.00 n/a
1934 71 45 0.14 n/a
1933 72 43 0.00 0.0
1932 77 43 0.00 0.0
1931 64 53 0.00 0.0
1930 70 47 0.00 n/a
1929 89 50 0.00 n/a
1928 68 46 0.00 n/a
1927 76 47 0.00 n/a
1926 64 54 0.00 n/a
1925 85 48 0.00 n/a
1924 74 52 0.00 n/a
1923 70 50 0.00 n/a
1922 83 44 0.00 n/a
1921 70 45 0.00 n/a
1920 68 41 0.00 n/a
1919 81 43 0.00 n/a
1918 70 48 0.00 n/a
1917 86 44 0.00 n/a
1916 56 50 0.00 n/a
1915 69 50 0.00 n/a
1914 65 42 0.00 n/a
1913 81 49 0.00 n/a
1912 68 35 0.00 n/a
1911 67 46 0.00 n/a
1910 74 47 0.00 n/a
1909 72 47 0.00 n/a
1908 67 37 0.00 n/a
1907 68 47 0.00 n/a
1906 71 40 0.00 n/a
1905 n/a n/a 0.00 n/a
1904 81 46 0.00 n/a
1903 80 47 0.00 n/a
1902 n/a n/a 0.09 n/a
1901 89 50 0.00 n/a
1900 n/a n/a n/a n/a
1899 n/a n/a 0.85 n/a
1898 n/a n/a 0.00 n/a
1897 n/a n/a n/a n/a
1896 74 40 0.00 n/a
1895 60 53 0.00 n/a
1894 66 48 0.00 n/a
1893 66 36 0.00 n/a
What's the all-time high for San Jose on 10/21?
For the date of Oct 21, the highest temperature ever reached in San Jose history is 89 °F which has happened 2 times, most recently in 1929.
Highest Temperatures in San Jose on October 21
Rank Temperature Year
1 89 °F 1929
1 89 °F 1901
3 88 °F 1939
3 88 °F 1937
5 87 °F 1942
5 87 °F 2020
5 87 °F 1964
8 86 °F 1917
9 85 °F 1925
9 85 °F 2006
9 85 °F 1965
What's the all-time low for San Jose on 10/21?
For the date of Oct 21, the lowest temperature ever reached in San Jose history is 35 °F which happened in 1912.
Lowest Temperatures in San Jose on October 21
Rank Temperature Year
1 35 °F 1912
2 36 °F 1893
3 37 °F 1908
4 40 °F 1949
4 40 °F 1896
4 40 °F 1906
7 41 °F 1920
7 41 °F 1971
9 42 °F 1914
9 42 °F 1935
Lowest High Temperatures in San Jose on October 21
Rank Temperature Year
1 56 °F 1916
2 59 °F 1941
3 60 °F 1895
4 62 °F 1985
5 63 °F 2001
6 64 °F 1931
6 64 °F 1926
8 65 °F 1970
8 65 °F 1943
8 65 °F 1914
8 65 °F 1961
What's the most it has ever rained in San Jose on 10/21?
For the date of Oct 21, the most precipitation ever recorded in San Jose history is 0.85 inches which happened in 1899.
All-Time Most Precipitation in San Jose on October 21
Rank Precipitation Year
1 0.85 inches 1899
2 0.21 inches 1941
2 0.21 inches 1992
4 0.17 inches 1985
5 0.16 inches 1944
6 0.14 inches 1934
7 0.09 inches 1902
8 0.07 inches 1989
9 0.06 inches 1943
10 0.02 inches 2012
Weather Station Details
Years Station Coordinates
1999–2024 San Jose 2 location
1893–1998 San Jose location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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