San Jacinto October 18 Weather Records

Daily averages and all-time records for weather in San Jacinto, California for the date of October 18.
October 18 All-Time Records
1893–2024
Highest temperature 100 °F 1991
Lowest temperature 34 °F 1908
Lowest daily high 62 °F 2005
Highest daily low 69 °F 2015
Most precipitation 0.88 inches 1934
Most snow none -
October 18 Average Weather
1991–2020 1
Average high 83.5 °F
Average low 51.0 °F
Chance precipitation 6.1%
Chance snow 0%
San Jacinto October 18 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 99 57 0.00 n/a
2022 87 58 0.00 n/a
2021 65 51 0.00 n/a
2020 92 57 0.00 n/a
2019 82 55 0.00 n/a
2018 83 50 0.00 n/a
2017 88 63 0.00 n/a
2016 79 53 0.00 n/a
2015 80 69 0.00 n/a
2014 80 60 0.00 n/a
2013 91 46 0.00 n/a
2012 84 63 0.00 n/a
2011 94 56 0.00 n/a
2010 65 60 0.00 0.0
2009 91 52 0.00 0.0
2008 96 52 0.00 0.0
2007 87 49 0.00 0.0
2006 78 46 0.00 0.0
2005 62 53 0.87 0.0
2004 68 54 0.49 0.0
2003 97 57 0.00 0.0
2002 69 52 0.00 0.0
2001 89 48 0.00 0.0
2000 80 56 0.00 0.0
1999 94 42 0.00 0.0
1998 85 39 0.00 0.0
1997 n/a n/a 0.00 0.0
1996 83 49 0.00 0.0
1995 93 51 0.00 0.0
1994 80 42 0.00 0.0
1993 73 53 0.00 0.0
1992 85 48 0.00 0.0
1991 100 52 0.00 0.0
1990 85 52 0.00 0.0
1989 98 48 0.00 0.0
1988 94 54 0.00 0.0
1987 86 50 0.00 0.0
1986 73 40 0.00 0.0
1985 n/a n/a n/a n/a
1984 74 39 0.00 0.0
1983 84 50 0.00 0.0
1982 85 44 0.00 0.0
1981 n/a n/a n/a n/a
1980 82 49 0.00 0.0
1979 n/a n/a n/a n/a
1978 87 46 0.00 0.0
1977 90 48 0.00 0.0
1976 76 52 0.00 0.0
1975 78 42 0.00 0.0
1974 98 49 0.00 0.0
1973 96 51 0.00 0.0
1972 69 50 0.05 0.0
1971 65 42 0.00 0.0
1970 87 41 0.00 0.0
1969 70 49 0.00 0.0
1968 91 43 0.00 0.0
1967 99 44 0.00 0.0
1966 95 37 0.00 0.0
1965 82 38 0.00 0.0
1964 93 49 0.00 0.0
1963 73 35 0.45 0.0
1962 64 48 0.17 0.0
1961 89 47 0.00 0.0
1960 80 42 0.00 0.0
1959 97 50 0.00 0.0
1958 95 51 0.00 0.0
1957 68 57 0.00 0.0
1956 80 38 0.00 0.0
1955 83 42 0.00 0.0
1954 92 42 0.00 0.0
1953 78 35 0.00 0.0
1952 87 43 0.00 0.0
1951 92 41 0.00 0.0
1950 91 41 0.00 0.0
1949 62 50 0.01 0.0
1948 n/a n/a n/a n/a
1947 93 45 0.00 0.0
1946 79 39 0.00 0.0
1945 84 59 0.00 0.0
1944 88 43 0.00 n/a
1943 69 51 0.42 0.0
1942 86 47 0.00 n/a
1941 83 50 0.00 n/a
1940 92 51 0.00 n/a
1939 91 46 0.00 n/a
1938 82 n/a 0.00 0.0
1937 96 47 0.00 n/a
1936 73 55 0.05 n/a
1935 84 53 0.00 0.0
1934 67 53 0.88 n/a
1933 99 47 0.00 n/a
1932 75 39 0.00 n/a
1931 64 54 0.23 n/a
1930 90 42 0.00 n/a
1929 83 47 0.00 n/a
1928 91 50 0.00 n/a
1927 98 46 0.00 n/a
1926 93 47 0.00 n/a
1925 78 41 n/a n/a
1924 83 37 n/a n/a
1923 98 45 n/a n/a
1922 92 46 n/a n/a
1921 97 52 n/a n/a
1920 63 49 n/a n/a
1919 79 44 n/a n/a
1918 72 43 0.00 n/a
1917 83 43 n/a n/a
1916 85 44 0.00 n/a
1915 92 46 0.00 n/a
1914 79 46 0.00 n/a
1913 94 48 0.00 n/a
1912 85 52 0.00 n/a
1911 94 47 0.00 0.0
1910 87 44 0.00 n/a
1909 86 58 0.00 n/a
1908 65 34 0.16 n/a
1907 71 58 0.00 n/a
1906 78 52 0.00 n/a
1905 80 37 0.00 n/a
1904 71 38 0.00 n/a
1903 96 52 0.00 n/a
1902 86 46 0.00 n/a
1901 88 42 0.00 n/a
1900 89 41 0.00 n/a
1899 78 43 0.00 n/a
1898 87 45 0.00 n/a
1897 78 39 0.00 n/a
1896 82 51 0.00 n/a
1895 n/a n/a n/a n/a
1894 87 53 0.00 n/a
1893 69 39 0.00 n/a
What's the all-time high for San Jacinto on 10/18?
For the date of Oct 18, the highest temperature ever reached in San Jacinto history is 100 °F which happened in 1991.
Highest Temperatures in San Jacinto on October 18
Rank Temperature Year
1 100 °F 1991
2 99 °F 1933
2 99 °F 1967
2 99 °F 2023
5 98 °F 1923
5 98 °F 1927
5 98 °F 1974
5 98 °F 1989
9 97 °F 1959
9 97 °F 2003
9 97 °F 1921
What's the all-time low for San Jacinto on 10/18?
For the date of Oct 18, the lowest temperature ever reached in San Jacinto history is 34 °F which happened in 1908.
Lowest Temperatures in San Jacinto on October 18
Rank Temperature Year
1 34 °F 1908
2 35 °F 1953
2 35 °F 1963
4 37 °F 1966
4 37 °F 1924
4 37 °F 1905
7 38 °F 1956
7 38 °F 1904
7 38 °F 1965
10 39 °F 1946
10 39 °F 1897
10 39 °F 1893
10 39 °F 1984
10 39 °F 1998
10 39 °F 1932
Lowest High Temperatures in San Jacinto on October 18
Rank Temperature Year
1 62 °F 1949
1 62 °F 2005
3 63 °F 1920
4 64 °F 1962
4 64 °F 1931
6 65 °F 1908
6 65 °F 2010
6 65 °F 1971
6 65 °F 2021
10 67 °F 1934
What's the most it has ever rained in San Jacinto on 10/18?
For the date of Oct 18, the most precipitation ever recorded in San Jacinto history is 0.88 inches which happened in 1934.
All-Time Most Precipitation in San Jacinto on October 18
Rank Precipitation Year
1 0.88 inches 1934
2 0.87 inches 2005
3 0.49 inches 2004
4 0.45 inches 1963
5 0.42 inches 1943
6 0.23 inches 1931
7 0.17 inches 1962
8 0.16 inches 1908
9 0.05 inches 1972
9 0.05 inches 1936
Weather Station Details
Years Station Coordinates
1978–2024 San Jacinto location
1893–1978 San Jacinto location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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