Napa October 20 Weather Records

Daily averages and all-time records for weather in Napa, California for the date of October 20.
October 20 All-Time Records
1901–2024
Highest temperature 92 °F 1942
Lowest temperature 30 °F 1949
Lowest daily high 56 °F 1926
Highest daily low 59 °F 1914
Most precipitation 0.74 inches 1970
October 20 Average Weather
1991–2020 1
Average high 75.0 °F
Average low 45.4 °F
Chance precipitation 11.1%
Napa October 20 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 70 53 0.00 n/a
2022 80 48 0.00 n/a
2021 62 52 0.09 n/a
2020 87 46 0.00 n/a
2019 76 42 0.00 n/a
2018 74 42 0.00 0.0
2017 64 43 0.00 n/a
2016 84 45 0.00 n/a
2015 87 46 0.00 n/a
2014 72 49 0.00 n/a
2013 74 40 0.00 n/a
2012 75 50 0.00 n/a
2011 68 46 0.00 n/a
2010 65 48 0.00 n/a
2009 69 45 0.00 n/a
2008 69 36 0.00 n/a
2007 69 42 0.00 n/a
2006 83 44 0.00 n/a
2005 72 40 0.00 n/a
2004 63 45 0.16 n/a
2003 85 44 0.00 n/a
2002 74 47 0.00 n/a
2001 69 40 0.00 n/a
2000 71 46 0.00 n/a
1999 82 42 0.00 n/a
1998 87 47 0.00 0.0
1997 71 53 0.00 0.0
1996 70 39 0.00 0.0
1995 82 47 0.00 0.0
1994 72 41 0.00 0.0
1993 79 47 0.00 0.0
1992 75 54 0.00 0.0
1991 91 57 0.00 0.0
1990 74 43 0.00 0.0
1989 84 52 0.00 0.0
1988 80 48 0.00 0.0
1987 66 46 0.00 0.0
1986 71 51 0.00 0.0
1985 61 50 0.00 0.0
1984 75 43 0.00 0.0
1983 84 47 0.00 0.0
1982 72 56 0.00 0.0
1981 78 48 0.00 0.0
1980 81 43 0.00 0.0
1979 64 45 0.49 0.0
1978 70 50 0.00 0.0
1977 69 52 0.00 0.0
1976 82 44 0.00 0.0
1975 84 51 0.00 0.0
1974 74 48 0.00 0.0
1973 71 56 0.02 0.0
1972 70 52 0.00 0.0
1971 70 56 0.02 0.0
1970 68 53 0.74 0.0
1969 81 41 0.00 0.0
1968 76 45 0.00 0.0
1967 88 48 0.00 0.0
1966 77 55 0.00 0.0
1965 87 45 0.00 0.0
1964 89 46 0.00 0.0
1963 70 55 0.00 0.0
1962 72 51 0.00 0.0
1961 63 46 0.00 0.0
1960 77 44 0.00 0.0
1959 77 42 0.00 0.0
1958 77 52 0.00 0.0
1957 n/a 44 0.00 0.0
1956 84 42 0.00 0.0
1955 76 51 0.00 0.0
1954 80 44 0.00 0.0
1953 85 50 0.00 0.0
1952 80 46 0.00 0.0
1951 79 44 0.00 0.0
1950 76 52 0.00 0.0
1949 70 30 0.00 0.0
1948 73 48 0.00 0.0
1947 68 48 0.00 n/a
1946 76 39 0.00 n/a
1945 71 45 0.00 n/a
1944 73 46 0.03 n/a
1943 60 53 0.01 n/a
1942 92 46 0.00 n/a
1941 69 41 0.00 n/a
1940 85 54 0.00 n/a
1939 86 42 0.00 n/a
1938 83 41 0.00 n/a
1937 88 47 0.00 n/a
1936 65 51 0.00 n/a
1935 70 44 0.00 n/a
1934 69 36 0.00 n/a
1933 82 45 0.00 n/a
1932 78 52 0.00 n/a
1931 72 52 0.00 n/a
1930 74 45 0.00 n/a
1929 90 46 0.00 n/a
1928 63 44 0.00 n/a
1927 79 46 0.00 n/a
1926 56 48 0.00 n/a
1925 86 44 0.00 n/a
1924 62 51 0.00 n/a
1923 82 50 0.00 n/a
1922 72 42 0.00 n/a
1921 90 52 0.00 n/a
1920 71 37 0.00 n/a
1919 82 44 0.00 n/a
1918 69 39 0.00 n/a
1917 86 39 0.00 n/a
1916 n/a n/a n/a n/a
1915 n/a n/a n/a n/a
1914 73 59 0.00 n/a
1913 88 52 0.00 n/a
1912 71 41 0.00 n/a
1911 69 42 0.00 n/a
1910 89 55 0.00 n/a
1909 71 58 0.04 n/a
1908 69 50 n/a n/a
1907 75 51 0.00 n/a
1906 n/a 53 0.00 n/a
1905 81 42 n/a n/a
1904 85 50 0.00 n/a
1903 84 47 n/a n/a
1902 65 51 n/a n/a
1901 82 52 0.00 n/a
What's the all-time high for Napa on 10/20?
For the date of Oct 20, the highest temperature ever reached in Napa history is 92 °F which happened in 1942.
Highest Temperatures in Napa on October 20
Rank Temperature Year
1 92 °F 1942
2 91 °F 1991
3 90 °F 1921
3 90 °F 1929
5 89 °F 1910
5 89 °F 1964
7 88 °F 1913
7 88 °F 1967
7 88 °F 1937
10 87 °F 2020
10 87 °F 1965
10 87 °F 2015
10 87 °F 1998
What's the all-time low for Napa on 10/20?
For the date of Oct 20, the lowest temperature ever reached in Napa history is 30 °F which happened in 1949.
Lowest Temperatures in Napa on October 20
Rank Temperature Year
1 30 °F 1949
2 36 °F 1934
2 36 °F 2008
4 37 °F 1920
5 39 °F 1946
5 39 °F 1996
5 39 °F 1918
5 39 °F 1917
9 40 °F 2013
9 40 °F 2005
9 40 °F 2001
Lowest High Temperatures in Napa on October 20
Rank Temperature Year
1 56 °F 1926
2 60 °F 1943
3 61 °F 1985
4 62 °F 1924
4 62 °F 2021
6 63 °F 1961
6 63 °F 1928
6 63 °F 2004
9 64 °F 2017
9 64 °F 1979
What's the most it has ever rained in Napa on 10/20?
For the date of Oct 20, the most precipitation ever recorded in Napa history is 0.74 inches which happened in 1970.
All-Time Most Precipitation in Napa on October 20
Rank Precipitation Year
1 0.74 inches 1970
2 0.49 inches 1979
3 0.16 inches 2004
4 0.09 inches 2021
5 0.04 inches 1909
6 0.03 inches 1944
7 0.02 inches 1973
7 0.02 inches 1971
9 0.01 inches 1943
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.
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