Petaluma October 18 Weather Records

Daily averages and all-time records for weather in Petaluma, California for the date of October 18.
October 18 All-Time Records
1893–2024
Highest temperature 94 °F 1988
Lowest temperature 31 °F 1917
Lowest daily high 59 °F 1920
Highest daily low 60 °F 1953
Most precipitation 1.07 inches 1894
Most snow none -
October 18 Average Weather
1991–2020 1
Average high 76.1 °F
Average low 47.4 °F
Chance precipitation 13.0%
Chance snow 0%
Petaluma October 18 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 87 49 0.00 n/a
2022 84 49 0.00 n/a
2021 64 42 0.13 n/a
2020 89 50 0.00 n/a
2019 68 49 0.00 n/a
2018 78 53 0.00 n/a
2017 73 45 0.00 n/a
2016 71 48 0.00 n/a
2015 71 53 0.00 n/a
2014 78 57 0.00 n/a
2013 82 44 0.00 n/a
2012 90 48 0.00 n/a
2011 83 53 0.00 n/a
2010 73 47 0.00 0.0
2009 72 55 0.00 0.0
2008 84 47 0.00 0.0
2007 71 51 0.00 0.0
2006 75 43 0.00 0.0
2005 n/a 54 0.00 0.0
2004 65 48 0.17 0.0
2003 n/a 47 0.00 0.0
2002 67 51 0.00 0.0
2001 83 44 0.00 0.0
2000 75 46 0.00 0.0
1999 83 45 0.00 0.0
1998 78 40 0.00 0.0
1997 85 47 0.00 0.0
1996 65 40 0.01 0.0
1995 85 46 0.00 0.0
1994 73 40 0.00 0.0
1993 73 43 0.00 0.0
1992 69 43 n/a 0.0
1991 n/a n/a n/a n/a
1990 n/a n/a n/a n/a
1989 88 n/a 0.00 0.0
1988 94 50 0.00 0.0
1987 87 45 0.00 0.0
1986 73 42 0.00 0.0
1985 71 50 0.00 0.0
1984 66 36 0.00 0.0
1983 79 45 0.00 0.0
1982 77 38 0.00 0.0
1981 83 47 0.00 0.0
1980 75 40 0.00 0.0
1979 68 50 0.46 0.0
1978 66 51 0.00 0.0
1977 60 50 0.00 0.0
1976 74 45 0.00 0.0
1975 77 50 0.00 0.0
1974 91 49 0.00 0.0
1973 78 52 0.00 0.0
1972 73 51 0.03 0.0
1971 68 34 0.00 0.0
1970 69 51 0.15 0.0
1969 70 47 0.00 0.0
1968 76 45 0.00 0.0
1967 82 44 0.00 0.0
1966 85 38 0.00 0.0
1965 73 48 0.00 0.0
1964 88 44 0.00 0.0
1963 76 50 0.00 0.0
1962 80 42 0.00 0.0
1961 77 47 0.00 0.0
1960 75 50 0.00 0.0
1959 62 54 0.00 0.0
1958 76 56 0.07 0.0
1957 77 47 0.00 0.0
1956 72 51 0.00 0.0
1955 64 54 0.02 0.0
1954 72 50 0.00 0.0
1953 69 60 0.10 0.0
1952 76 57 0.15 0.0
1951 71 53 0.00 0.0
1950 76 50 0.00 0.0
1949 62 41 0.05 0.0
1948 80 49 0.00 0.0
1947 74 48 0.00 0.0
1946 70 39 0.00 0.0
1945 70 52 0.00 0.0
1944 75 47 0.00 0.0
1943 72 45 0.00 0.0
1942 86 46 0.00 n/a
1941 75 44 0.00 n/a
1940 89 51 0.00 n/a
1939 79 50 0.00 n/a
1938 74 37 0.00 0.0
1937 81 56 0.00 n/a
1936 79 46 0.00 n/a
1935 82 40 0.00 0.0
1934 70 51 0.08 n/a
1933 93 46 n/a n/a
1932 72 44 0.00 0.0
1931 79 49 0.00 n/a
1930 85 43 0.00 n/a
1929 80 60 n/a n/a
1928 82 42 0.00 n/a
1927 84 42 0.00 n/a
1926 80 45 0.00 n/a
1925 79 39 0.00 n/a
1924 75 42 0.00 n/a
1923 88 41 0.00 n/a
1922 68 47 0.00 n/a
1921 93 54 0.00 n/a
1920 59 52 0.39 n/a
1919 80 36 0.00 n/a
1918 85 47 0.00 n/a
1917 80 31 n/a n/a
1916 61 48 0.02 n/a
1915 68 47 0.00 n/a
1914 70 42 0.00 n/a
1913 93 43 0.00 n/a
1912 n/a n/a n/a n/a
1911 n/a n/a n/a n/a
1910 n/a n/a n/a n/a
1909 n/a n/a n/a n/a
1908 n/a n/a n/a n/a
1907 n/a n/a n/a n/a
1906 n/a n/a n/a n/a
1905 n/a n/a n/a n/a
1904 n/a n/a n/a n/a
1903 n/a n/a n/a n/a
1902 n/a n/a n/a n/a
1901 n/a n/a n/a n/a
1900 n/a n/a n/a n/a
1899 n/a n/a n/a n/a
1898 n/a n/a n/a n/a
1897 n/a n/a n/a n/a
1896 n/a n/a n/a n/a
1895 n/a n/a 0.00 n/a
1894 n/a n/a 1.07 n/a
1893 n/a n/a 0.00 n/a
What's the all-time high for Petaluma on 10/18?
For the date of Oct 18, the highest temperature ever reached in Petaluma history is 94 °F which happened in 1988.
Highest Temperatures in Petaluma on October 18
Rank Temperature Year
1 94 °F 1988
2 93 °F 1933
2 93 °F 1913
2 93 °F 1921
5 91 °F 1974
6 90 °F 2012
7 89 °F 2020
7 89 °F 1940
9 88 °F 1923
9 88 °F 1964
9 88 °F 1989
What's the all-time low for Petaluma on 10/18?
For the date of Oct 18, the lowest temperature ever reached in Petaluma history is 31 °F which happened in 1917.
Lowest Temperatures in Petaluma on October 18
Rank Temperature Year
1 31 °F 1917
2 34 °F 1971
3 36 °F 1919
3 36 °F 1984
5 37 °F 1938
6 38 °F 1982
6 38 °F 1966
8 39 °F 1925
8 39 °F 1946
10 40 °F 1935
10 40 °F 1980
10 40 °F 1994
10 40 °F 1996
10 40 °F 1998
Lowest High Temperatures in Petaluma on October 18
Rank Temperature Year
1 59 °F 1920
2 60 °F 1977
3 61 °F 1916
4 62 °F 1959
4 62 °F 1949
6 64 °F 1955
6 64 °F 2021
8 65 °F 2004
8 65 °F 1996
10 66 °F 1978
10 66 °F 1984
What's the most it has ever rained in Petaluma on 10/18?
For the date of Oct 18, the most precipitation ever recorded in Petaluma history is 1.07 inches which happened in 1894.
All-Time Most Precipitation in Petaluma on October 18
Rank Precipitation Year
1 1.07 inches 1894
2 0.46 inches 1979
3 0.39 inches 1920
4 0.17 inches 2004
5 0.15 inches 1970
5 0.15 inches 1952
7 0.13 inches 2021
8 0.10 inches 1953
9 0.08 inches 1934
10 0.07 inches 1958
Weather Station Details
Years Station Coordinates
1893–2024 Petaluma Airport location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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