Napa October 18 Weather Records

Daily averages and all-time records for weather in Napa, California for the date of October 18.
October 18 All-Time Records
1901–2024
Highest temperature 97 °F 1903
Lowest temperature 32 °F 1949
Lowest daily high 62 °F 1949
Highest daily low 57 °F 1958
Most precipitation 0.26 inches 1920
October 18 Average Weather
1991–2020 1
Average high 75.4 °F
Average low 45.7 °F
Chance precipitation 11.4%
Napa October 18 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 89 49 0.00 n/a
2022 87 51 0.00 n/a
2021 65 41 0.00 n/a
2020 91 49 0.00 n/a
2019 72 41 0.00 n/a
2018 75 39 0.00 0.0
2017 69 37 0.00 n/a
2016 77 43 0.00 n/a
2015 75 46 0.00 n/a
2014 79 49 0.00 n/a
2013 77 39 0.00 n/a
2012 90 46 0.00 n/a
2011 78 48 0.00 n/a
2010 67 46 0.00 n/a
2009 68 52 0.00 n/a
2008 73 46 0.00 n/a
2007 70 47 0.00 n/a
2006 77 43 0.00 n/a
2005 66 50 0.00 n/a
2004 65 40 0.01 n/a
2003 78 43 0.00 n/a
2002 66 50 0.00 n/a
2001 80 39 0.00 n/a
2000 73 41 0.00 n/a
1999 78 39 0.00 n/a
1998 77 42 0.00 0.0
1997 86 49 0.00 0.0
1996 73 44 0.05 0.0
1995 83 33 0.00 0.0
1994 74 43 0.00 0.0
1993 72 45 0.00 0.0
1992 76 50 0.00 0.0
1991 83 48 0.00 0.0
1990 81 44 0.00 0.0
1989 n/a n/a 0.00 0.0
1988 89 54 0.00 0.0
1987 83 46 0.00 0.0
1986 76 49 0.00 0.0
1985 74 43 0.00 0.0
1984 64 37 0.00 0.0
1983 78 49 0.00 0.0
1982 81 45 0.00 0.0
1981 84 45 0.00 0.0
1980 74 40 0.00 0.0
1979 74 48 0.00 0.0
1978 72 52 0.00 0.0
1977 68 49 0.00 0.0
1976 79 45 0.00 0.0
1975 77 53 0.00 0.0
1974 96 51 0.00 0.0
1973 80 49 0.00 0.0
1972 73 51 0.07 0.0
1971 66 37 0.00 0.0
1970 71 50 0.23 0.0
1969 72 41 0.00 0.0
1968 78 45 0.00 0.0
1967 89 48 0.00 0.0
1966 86 42 0.00 0.0
1965 74 46 0.00 0.0
1964 90 43 0.00 0.0
1963 76 49 0.00 0.0
1962 78 44 0.00 0.0
1961 76 48 0.00 0.0
1960 68 44 0.00 0.0
1959 68 42 0.00 0.0
1958 76 57 0.15 0.0
1957 n/a 46 0.00 0.0
1956 76 49 0.00 0.0
1955 65 53 0.00 0.0
1954 78 42 0.00 0.0
1953 68 54 0.22 0.0
1952 71 55 0.00 0.0
1951 75 50 0.00 0.0
1950 80 47 0.00 0.0
1949 62 32 0.00 0.0
1948 85 45 0.00 0.0
1947 76 44 0.00 n/a
1946 72 38 0.02 n/a
1945 71 54 0.00 n/a
1944 80 46 0.00 n/a
1943 70 42 0.00 n/a
1942 91 42 0.00 n/a
1941 74 45 0.00 n/a
1940 91 52 0.00 n/a
1939 80 46 0.00 n/a
1938 74 38 0.00 n/a
1937 88 51 0.00 n/a
1936 72 50 0.00 n/a
1935 79 42 0.00 n/a
1934 68 49 0.06 n/a
1933 95 50 0.00 n/a
1932 75 49 0.00 n/a
1931 81 41 0.00 n/a
1930 84 41 0.00 n/a
1929 75 40 0.00 n/a
1928 83 45 0.00 n/a
1927 84 42 0.00 n/a
1926 72 50 0.00 n/a
1925 75 42 0.00 n/a
1924 72 42 0.00 n/a
1923 81 45 0.00 n/a
1922 67 48 0.10 n/a
1921 92 51 0.00 n/a
1920 63 50 0.26 n/a
1919 78 41 0.00 n/a
1918 71 46 0.00 n/a
1917 80 46 0.00 n/a
1916 n/a n/a n/a n/a
1915 n/a n/a n/a n/a
1914 73 53 0.07 n/a
1913 93 51 0.00 n/a
1912 85 44 0.00 n/a
1911 89 46 0.00 n/a
1910 79 53 0.00 n/a
1909 64 45 n/a n/a
1908 72 48 n/a n/a
1907 70 55 0.00 n/a
1906 77 44 0.00 n/a
1905 69 38 n/a n/a
1904 74 42 0.00 n/a
1903 97 51 n/a n/a
1902 76 50 n/a n/a
1901 77 49 0.00 n/a
What's the all-time high for Napa on 10/18?
For the date of Oct 18, the highest temperature ever reached in Napa history is 97 °F which happened in 1903.
Highest Temperatures in Napa on October 18
Rank Temperature Year
1 97 °F 1903
2 96 °F 1974
3 95 °F 1933
4 93 °F 1913
5 92 °F 1921
6 91 °F 2020
6 91 °F 1940
6 91 °F 1942
9 90 °F 2012
9 90 °F 1964
What's the all-time low for Napa on 10/18?
For the date of Oct 18, the lowest temperature ever reached in Napa history is 32 °F which happened in 1949.
Lowest Temperatures in Napa on October 18
Rank Temperature Year
1 32 °F 1949
2 33 °F 1995
3 37 °F 1984
3 37 °F 2017
3 37 °F 1971
6 38 °F 1905
6 38 °F 1946
6 38 °F 1938
9 39 °F 1999
9 39 °F 2001
9 39 °F 2013
9 39 °F 2018
Lowest High Temperatures in Napa on October 18
Rank Temperature Year
1 62 °F 1949
2 63 °F 1920
3 64 °F 1984
3 64 °F 1909
5 65 °F 2021
5 65 °F 1955
5 65 °F 2004
8 66 °F 2002
8 66 °F 2005
8 66 °F 1971
What's the most it has ever rained in Napa on 10/18?
For the date of Oct 18, the most precipitation ever recorded in Napa history is 0.26 inches which happened in 1920.
All-Time Most Precipitation in Napa on October 18
Rank Precipitation Year
1 0.26 inches 1920
2 0.23 inches 1970
3 0.22 inches 1953
4 0.15 inches 1958
5 0.10 inches 1922
6 0.07 inches 1914
6 0.07 inches 1972
8 0.06 inches 1934
9 0.05 inches 1996
10 0.02 inches 1946
Weather Station Details
Years Station Coordinates
1999–2024 Napa County Airport location
1901–1998 Napa State Hospital location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
© H Brothers Inc, 2021–2024
Contact us | Privacy policy