El Cajon October 20 Weather Records

Daily averages and all-time records for weather in El Cajon, California for the date of October 20.
October 20 All-Time Records
1899–2024
Highest temperature 101 °F 1921
Lowest temperature 37 °F 1949
Lowest daily high 62 °F 1949
Highest daily low 70 °F 1904
Most precipitation 1.70 inches 2004
October 20 Average Weather
1991–2020 1
Average high 81.7 °F
Average low 54.6 °F
Chance precipitation 6.2%
El Cajon October 20 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 96 58 0.00 n/a
2022 90 59 0.00 n/a
2021 76 47 0.00 n/a
2020 82 60 0.00 n/a
2019 86 49 0.00 n/a
2018 89 53 0.00 n/a
2017 70 62 0.00 n/a
2016 98 52 0.00 n/a
2015 77 60 0.00 n/a
2014 79 59 0.00 n/a
2013 82 48 0.00 n/a
2012 74 65 0.00 n/a
2011 74 58 0.00 n/a
2010 65 57 1.45 0.0
2009 78 59 0.01 0.0
2008 81 57 0.00 0.0
2007 n/a n/a n/a n/a
2006 n/a n/a n/a n/a
2005 n/a n/a n/a n/a
2004 67 57 1.70 0.0
2003 99 57 0.00 0.0
2002 76 53 0.00 0.0
2001 85 58 0.00 0.0
2000 80 59 0.00 0.0
1999 97 51 0.00 0.0
1998 n/a n/a n/a n/a
1997 75 61 0.00 0.0
1996 73 50 0.00 0.0
1995 85 56 0.00 0.0
1994 n/a 53 0.00 0.0
1993 89 49 0.00 0.0
1992 n/a n/a n/a n/a
1991 77 58 0.00 0.0
1990 79 57 0.00 0.0
1989 76 60 0.00 0.0
1988 76 64 0.00 0.0
1987 75 59 0.00 0.0
1986 75 47 0.00 0.0
1985 77 50 0.00 0.0
1984 72 59 0.00 0.0
1983 83 n/a 0.00 0.0
1982 83 52 0.00 0.0
1981 84 52 0.00 0.0
1980 92 46 0.00 0.0
1959 75 45 0.00 0.0
1958 79 50 0.00 0.0
1957 68 51 0.00 0.0
1956 93 42 0.00 0.0
1955 64 52 0.00 0.0
1954 90 40 0.00 0.0
1953 82 45 0.00 0.0
1952 84 45 0.00 0.0
1951 82 45 0.00 0.0
1950 87 44 0.00 0.0
1949 62 37 0.05 0.0
1948 78 54 0.00 0.0
1947 75 49 0.00 0.0
1946 82 40 0.00 0.0
1945 77 52 0.00 0.0
1944 85 46 0.00 n/a
1943 73 49 0.00 0.0
1942 94 45 0.00 n/a
1941 64 50 0.09 n/a
1940 87 52 0.00 n/a
1939 90 46 0.00 n/a
1938 82 40 0.00 n/a
1937 90 49 0.00 n/a
1936 65 57 0.00 0.0
1935 88 51 0.00 n/a
1934 80 43 0.00 n/a
1933 78 40 0.00 n/a
1932 78 44 0.00 n/a
1931 78 44 0.00 n/a
1930 67 51 0.00 n/a
1929 99 50 0.00 n/a
1928 80 51 0.00 n/a
1927 100 50 0.00 n/a
1926 74 49 0.00 n/a
1925 74 50 0.02 n/a
1924 78 42 0.00 n/a
1923 87 43 0.00 n/a
1922 83 52 0.00 n/a
1921 101 51 0.00 n/a
1920 67 44 0.00 0.0
1919 79 48 0.00 n/a
1918 81 52 0.00 n/a
1917 100 39 n/a n/a
1916 79 46 0.00 n/a
1915 86 41 0.00 n/a
1914 74 55 0.00 n/a
1913 96 49 0.00 n/a
1912 72 59 0.00 n/a
1911 72 54 0.00 n/a
1910 88 52 0.00 n/a
1909 79 43 0.00 n/a
1908 72 42 0.00 n/a
1907 82 60 0.00 n/a
1906 75 43 0.00 n/a
1905 82 40 0.00 n/a
1904 90 70 0.00 n/a
1903 82 49 0.00 n/a
1902 82 53 0.00 n/a
1901 87 44 0.00 n/a
1900 85 48 0.10 n/a
1899 76 44 0.00 n/a
What's the all-time high for El Cajon on 10/20?
For the date of Oct 20, the highest temperature ever reached in El Cajon history is 101 °F which happened in 1921.
Highest Temperatures in El Cajon on October 20
Rank Temperature Year
1 101 °F 1921
2 100 °F 1917
2 100 °F 1927
4 99 °F 2003
4 99 °F 1929
6 98 °F 2016
7 97 °F 1999
8 96 °F 1913
8 96 °F 2023
10 94 °F 1942
What's the all-time low for El Cajon on 10/20?
For the date of Oct 20, the lowest temperature ever reached in El Cajon history is 37 °F which happened in 1949.
Lowest Temperatures in El Cajon on October 20
Rank Temperature Year
1 37 °F 1949
2 39 °F 1917
3 40 °F 1905
3 40 °F 1938
3 40 °F 1933
3 40 °F 1946
3 40 °F 1954
8 41 °F 1915
9 42 °F 1908
9 42 °F 1924
9 42 °F 1956
Lowest High Temperatures in El Cajon on October 20
Rank Temperature Year
1 62 °F 1949
2 64 °F 1955
2 64 °F 1941
4 65 °F 2010
4 65 °F 1936
6 67 °F 1930
6 67 °F 1920
6 67 °F 2004
9 68 °F 1957
10 70 °F 2017
What's the most it has ever rained in El Cajon on 10/20?
For the date of Oct 20, the most precipitation ever recorded in El Cajon history is 1.70 inches which happened in 2004.
All-Time Most Precipitation in El Cajon on October 20
Rank Precipitation Year
1 1.70 inches 2004
2 1.45 inches 2010
3 0.10 inches 1900
4 0.09 inches 1941
5 0.05 inches 1949
6 0.02 inches 1925
7 0.01 inches 2009
Weather Station Details
Years Station Coordinates
1979–2024 El Cajon location
1899–1979 El Cajon 2 E location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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