Napa October 21 Weather Records

Daily averages and all-time records for weather in Napa, California for the date of October 21.
October 21 All-Time Records
1901–2024
Highest temperature 95 °F 1901
Lowest temperature 32 °F 1932
Lowest daily high 62 °F 1926
Highest daily low 60 °F 1953
Most precipitation 0.76 inches 1985
October 21 Average Weather
1991–2020 1
Average high 74.7 °F
Average low 45.2 °F
Chance precipitation 11.4%
Napa October 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 72 51 0.00 n/a
2022 69 47 0.00 n/a
2021 66 57 0.49 n/a
2020 86 47 0.00 n/a
2019 91 43 0.00 n/a
2018 68 41 0.00 0.0
2017 73 38 0.00 n/a
2016 80 46 0.00 n/a
2015 83 44 0.00 n/a
2014 73 42 0.00 n/a
2013 69 42 0.00 n/a
2012 70 41 0.11 n/a
2011 76 42 0.00 n/a
2010 66 50 0.02 n/a
2009 69 46 0.00 n/a
2008 81 39 0.00 n/a
2007 79 44 0.00 n/a
2006 85 37 0.00 n/a
2005 73 38 0.00 n/a
2004 67 35 0.00 n/a
2003 83 45 0.00 n/a
2002 74 40 0.00 n/a
2001 63 43 0.00 n/a
2000 75 40 0.00 n/a
1999 87 43 0.00 n/a
1998 87 48 0.00 0.0
1997 71 51 0.00 0.0
1996 72 48 0.00 0.0
1995 76 51 0.00 0.0
1994 78 43 0.00 0.0
1993 74 54 0.00 0.0
1992 75 54 0.29 0.0
1991 90 54 0.00 0.0
1990 76 43 0.00 0.0
1989 65 56 0.00 0.0
1988 78 47 0.00 0.0
1987 75 50 0.00 0.0
1986 79 52 0.00 0.0
1985 64 50 0.76 0.0
1984 68 44 0.00 0.0
1983 80 47 0.00 0.0
1982 73 57 0.00 0.0
1981 75 48 0.00 0.0
1980 83 46 0.00 0.0
1979 69 41 0.00 0.0
1978 72 46 0.00 0.0
1977 72 42 0.00 0.0
1976 79 48 0.00 0.0
1975 79 51 0.00 0.0
1974 79 42 0.00 0.0
1973 70 59 0.24 0.0
1972 68 53 0.00 0.0
1971 73 41 0.00 0.0
1970 65 50 0.00 0.0
1969 80 47 0.00 0.0
1968 78 43 0.00 0.0
1967 77 49 0.00 0.0
1966 71 45 0.00 0.0
1965 90 48 0.00 0.0
1964 92 47 0.00 0.0
1963 74 50 0.00 0.0
1962 74 54 0.00 0.0
1961 66 35 0.00 0.0
1960 73 43 0.00 0.0
1959 75 48 0.00 0.0
1958 78 51 0.00 0.0
1957 n/a 42 0.00 0.0
1956 81 45 0.00 0.0
1955 72 49 0.00 0.0
1954 82 42 0.00 0.0
1953 76 60 0.00 0.0
1952 76 47 0.00 0.0
1951 76 54 0.00 0.0
1950 70 42 0.00 0.0
1949 71 33 0.00 0.0
1948 84 44 0.00 0.0
1947 67 49 0.10 n/a
1946 71 42 0.00 n/a
1945 70 43 0.00 n/a
1944 75 53 0.04 n/a
1943 72 46 0.15 n/a
1942 91 46 0.00 n/a
1941 64 45 0.00 n/a
1940 75 53 0.00 n/a
1939 91 46 0.00 n/a
1938 85 42 0.00 n/a
1937 92 47 0.00 n/a
1936 68 42 0.00 n/a
1935 70 39 0.00 n/a
1934 68 50 0.20 n/a
1933 76 47 0.00 n/a
1932 78 32 0.00 n/a
1931 69 49 0.00 n/a
1930 74 42 0.00 n/a
1929 92 49 0.00 n/a
1928 67 49 0.00 n/a
1927 80 45 0.00 n/a
1926 62 53 0.00 n/a
1925 84 45 0.00 n/a
1924 72 54 0.00 n/a
1923 64 48 0.00 n/a
1922 89 48 0.00 n/a
1921 74 47 0.00 n/a
1920 68 40 0.06 n/a
1919 81 40 0.00 n/a
1918 70 46 0.00 n/a
1917 90 41 0.00 n/a
1916 n/a n/a n/a n/a
1915 n/a n/a n/a n/a
1914 66 44 0.00 n/a
1913 82 49 0.00 n/a
1912 72 41 0.00 n/a
1911 65 44 0.00 n/a
1910 81 52 0.00 n/a
1909 70 58 n/a n/a
1908 73 46 n/a n/a
1907 69 51 0.00 n/a
1906 n/a 51 0.00 n/a
1905 74 44 n/a n/a
1904 82 47 0.00 n/a
1903 84 45 n/a n/a
1902 62 54 0.69 n/a
1901 95 49 0.00 n/a
What's the all-time high for Napa on 10/21?
For the date of Oct 21, the highest temperature ever reached in Napa history is 95 °F which happened in 1901.
Highest Temperatures in Napa on October 21
Rank Temperature Year
1 95 °F 1901
2 92 °F 1964
2 92 °F 1929
2 92 °F 1937
5 91 °F 2019
5 91 °F 1939
5 91 °F 1942
8 90 °F 1991
8 90 °F 1965
8 90 °F 1917
What's the all-time low for Napa on 10/21?
For the date of Oct 21, the lowest temperature ever reached in Napa history is 32 °F which happened in 1932.
Lowest Temperatures in Napa on October 21
Rank Temperature Year
1 32 °F 1932
2 33 °F 1949
3 35 °F 2004
3 35 °F 1961
5 37 °F 2006
6 38 °F 2005
6 38 °F 2017
8 39 °F 1935
8 39 °F 2008
10 40 °F 2000
10 40 °F 1920
10 40 °F 2002
10 40 °F 1919
Lowest High Temperatures in Napa on October 21
Rank Temperature Year
1 62 °F 1926
1 62 °F 1902
3 63 °F 2001
4 64 °F 1923
4 64 °F 1985
4 64 °F 1941
7 65 °F 1970
7 65 °F 1911
7 65 °F 1989
10 66 °F 1914
10 66 °F 1961
10 66 °F 2010
10 66 °F 2021
What's the most it has ever rained in Napa on 10/21?
For the date of Oct 21, the most precipitation ever recorded in Napa history is 0.76 inches which happened in 1985.
All-Time Most Precipitation in Napa on October 21
Rank Precipitation Year
1 0.76 inches 1985
2 0.69 inches 1902
3 0.49 inches 2021
4 0.29 inches 1992
5 0.24 inches 1973
6 0.20 inches 1934
7 0.15 inches 1943
8 0.11 inches 2012
9 0.10 inches 1947
10 0.06 inches 1920
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