Napa March 18 Weather Records

Daily averages and all-time records for weather in Napa, California for the date of March 18.
March 18 All-Time Records
1901–2024
Highest temperature 87 °F 1914
Lowest temperature 31 °F 2018
Lowest daily high 50 °F 1935
Highest daily low 61 °F 1914
Most precipitation 0.91 inches 1904
March 18 Average Weather
1991–2020 1
Average high 65.1 °F
Average low 41.3 °F
Chance precipitation 29.9%
Napa March 18 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2024 68 40 0.00 n/a
2023 65 42 0.00 n/a
2022 67 36 0.00 n/a
2021 55 47 0.46 n/a
2020 54 45 0.08 n/a
2019 75 43 0.00 n/a
2018 58 31 0.00 n/a
2017 67 48 0.00 n/a
2016 64 46 0.00 n/a
2015 70 41 0.00 n/a
2014 70 41 0.00 n/a
2013 65 36 0.00 n/a
2012 56 40 0.00 n/a
2011 53 44 0.79 n/a
2010 79 37 0.00 n/a
2009 71 46 0.00 n/a
2008 68 37 0.00 n/a
2007 66 42 0.00 n/a
2006 61 34 0.00 n/a
2005 56 46 0.27 n/a
2004 79 45 0.00 n/a
2003 66 37 0.00 n/a
2002 63 32 0.00 n/a
2001 75 40 0.00 n/a
2000 72 40 0.00 n/a
1999 59 41 0.00 n/a
1998 73 44 0.00 0.0
1997 74 44 0.00 0.0
1996 82 47 0.00 0.0
1995 68 43 0.22 0.0
1994 66 46 0.00 0.0
1993 68 54 0.05 0.0
1992 68 39 0.00 0.0
1991 57 39 0.34 0.0
1990 69 46 0.00 0.0
1989 58 51 0.27 0.0
1988 76 39 0.00 0.0
1987 61 40 0.09 0.0
1986 72 39 0.00 0.0
1985 61 46 0.08 0.0
1984 75 42 0.00 0.0
1983 62 41 0.25 0.0
1982 59 37 0.19 0.0
1981 65 43 0.55 0.0
1980 65 35 0.00 0.0
1979 63 42 0.00 0.0
1978 77 52 0.00 0.0
1977 66 36 0.00 0.0
1976 65 48 0.10 0.0
1975 63 51 0.05 0.0
1974 71 48 0.00 0.0
1973 60 32 0.00 0.0
1972 73 42 0.00 0.0
1971 72 49 0.00 0.0
1970 67 49 0.00 0.0
1969 64 49 0.00 0.0
1968 64 34 0.00 0.0
1967 63 47 0.02 0.0
1966 64 39 0.00 0.0
1965 66 35 0.00 0.0
1964 77 41 0.00 0.0
1963 64 34 0.00 0.0
1962 74 38 0.00 0.0
1961 68 37 0.00 0.0
1960 82 46 0.00 0.0
1959 68 46 0.00 0.0
1958 64 33 0.00 0.0
1957 68 38 0.00 0.0
1956 70 40 0.00 0.0
1955 71 34 0.00 0.0
1954 56 33 0.00 0.0
1953 62 39 0.00 0.0
1952 55 45 0.33 0.0
1951 78 48 0.00 0.0
1950 62 40 0.00 0.0
1949 63 48 0.00 0.0
1948 59 32 0.00 n/a
1947 59 46 0.00 n/a
1946 64 40 0.00 n/a
1945 60 32 0.11 n/a
1944 85 48 0.00 n/a
1943 68 34 0.00 n/a
1942 68 38 0.00 n/a
1941 66 41 0.00 n/a
1940 74 42 0.00 n/a
1939 68 48 0.00 n/a
1938 58 42 0.13 n/a
1937 54 33 0.01 n/a
1936 70 41 0.00 n/a
1935 50 34 0.06 n/a
1934 72 45 0.00 n/a
1933 n/a n/a n/a n/a
1932 68 46 0.00 n/a
1931 68 55 0.48 n/a
1930 68 38 0.00 n/a
1929 63 41 0.02 n/a
1928 78 44 0.00 n/a
1927 59 34 0.00 n/a
1926 53 40 0.00 n/a
1925 72 34 0.00 n/a
1924 68 49 0.00 n/a
1923 81 52 0.00 n/a
1922 64 32 0.00 n/a
1921 64 48 0.04 n/a
1920 67 32 0.00 n/a
1919 59 39 0.10 n/a
1918 55 49 0.63 n/a
1917 65 33 0.00 n/a
1916 n/a n/a 0.03 n/a
1915 n/a n/a n/a n/a
1914 87 61 0.00 n/a
1913 59 50 0.00 n/a
1912 59 37 0.00 n/a
1911 65 44 n/a 0.0
1910 66 53 0.02 0.0
1909 68 41 n/a n/a
1908 70 40 0.00 n/a
1907 57 52 0.25 0.0
1906 52 36 0.00 n/a
1905 57 47 0.17 n/a
1904 56 48 0.91 n/a
1903 60 36 n/a n/a
1902 52 39 0.15 n/a
1901 n/a n/a n/a n/a
What's the all-time high for Napa on 3/18?
For the date of Mar 18, the highest temperature ever reached in Napa history is 87 °F which happened in 1914.
Highest Temperatures in Napa on March 18
Rank Temperature Year
1 87 °F 1914
2 85 °F 1944
3 82 °F 1996
3 82 °F 1960
5 81 °F 1923
6 79 °F 2010
6 79 °F 2004
8 78 °F 1928
8 78 °F 1951
10 77 °F 1964
10 77 °F 1978
What's the all-time low for Napa on 3/18?
For the date of Mar 18, the lowest temperature ever reached in Napa history is 31 °F which happened in 2018.
Lowest Temperatures in Napa on March 18
Rank Temperature Year
1 31 °F 2018
2 32 °F 1945
2 32 °F 1973
2 32 °F 1948
2 32 °F 1920
2 32 °F 1922
2 32 °F 2002
8 33 °F 1954
8 33 °F 1937
8 33 °F 1917
8 33 °F 1958
Lowest High Temperatures in Napa on March 18
Rank Temperature Year
1 50 °F 1935
2 52 °F 1902
2 52 °F 1906
4 53 °F 1926
4 53 °F 2011
6 54 °F 2020
6 54 °F 1937
8 55 °F 2021
8 55 °F 1952
8 55 °F 1918
What's the most it has ever rained in Napa on 3/18?
For the date of Mar 18, the most precipitation ever recorded in Napa history is 0.91 inches which happened in 1904.
All-Time Most Precipitation in Napa on March 18
Rank Precipitation Year
1 0.91 inches 1904
2 0.79 inches 2011
3 0.63 inches 1918
4 0.55 inches 1981
5 0.48 inches 1931
6 0.46 inches 2021
7 0.34 inches 1991
8 0.33 inches 1952
9 0.27 inches 1989
9 0.27 inches 2005
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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