Lewiston May 18 Weather Records

Daily averages and all-time records for weather in Lewiston, Idaho for the date of May 18.
May 18 All-Time Records
1894–2024
Highest temperature 97 °F 2006
Lowest temperature 34 °F 1965
Lowest daily high 55 °F 1962
Highest daily low 68 °F 1897
Most precipitation 1.32 inches 1991
Most snow none -
May 18 Average Weather
1991–2020 1
Average high 72.4 °F
Average low 48.4 °F
Chance precipitation 34.6%
Chance snow 0%
Lewiston May 18 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 90 58 0.00 0.0
2022 66 47 0.01 0.0
2021 67 52 0.00 0.0
2020 63 52 0.02 0.0
2019 69 53 0.00 0.0
2018 71 57 0.99 0.0
2017 69 45 0.01 0.0
2016 83 55 0.21 0.0
2015 77 54 0.00 0.0
2014 65 47 0.01 0.0
2013 64 52 0.06 0.0
2012 68 45 0.00 0.0
2011 71 40 0.00 0.0
2010 68 55 0.02 0.0
2009 87 54 0.12 0.0
2008 93 62 0.00 0.0
2007 80 51 0.00 0.0
2006 97 62 0.00 0.0
2005 69 50 0.04 n/a
2004 64 52 0.11 n/a
2003 57 40 0.00 n/a
2002 78 47 0.02 n/a
2001 67 47 0.00 n/a
2000 74 46 0.00 n/a
1999 66 50 0.26 n/a
1998 69 49 0.00 n/a
1997 72 46 0.00 n/a
1996 62 47 0.57 n/a
1995 66 46 0.00 0.0
1994 67 48 0.01 0.0
1993 86 54 0.00 0.0
1992 84 57 0.05 0.0
1991 63 48 1.32 0.0
1990 68 48 0.00 0.0
1989 61 46 0.00 0.0
1988 65 45 0.01 0.0
1987 67 48 0.00 0.0
1986 81 53 0.00 0.0
1985 86 56 0.00 0.0
1984 77 45 0.00 0.0
1983 65 45 0.24 0.0
1982 63 47 0.00 0.0
1981 73 52 0.00 0.0
1980 68 47 0.00 0.0
1979 74 53 0.00 0.0
1978 70 47 0.00 0.0
1977 56 46 0.27 0.0
1976 71 43 0.00 0.0
1975 71 48 0.00 0.0
1974 57 38 0.00 0.0
1973 87 55 0.00 0.0
1972 65 43 0.00 0.0
1971 66 36 0.00 0.0
1970 75 47 0.00 0.0
1969 81 47 0.00 0.0
1968 82 51 0.00 0.0
1967 75 47 0.00 0.0
1966 72 36 0.00 0.0
1965 69 34 0.00 0.0
1964 85 51 0.00 0.0
1963 84 46 0.00 0.0
1962 55 43 0.31 0.0
1961 73 44 0.00 0.0
1960 59 42 0.00 0.0
1959 60 45 0.00 0.0
1958 91 51 0.00 0.0
1957 72 55 0.09 0.0
1956 89 58 0.00 0.0
1955 75 42 0.00 0.0
1954 94 55 0.00 0.0
1953 75 48 0.00 0.0
1952 82 49 0.00 0.0
1951 70 43 0.00 0.0
1950 62 40 0.00 0.0
1949 72 42 0.00 0.0
1948 55 48 0.02 0.0
1947 75 52 0.00 0.0
1946 83 45 0.00 0.0
1945 67 44 0.02 0.0
1944 79 50 0.00 0.0
1943 77 40 0.00 0.0
1942 70 41 0.00 0.0
1941 60 40 0.26 0.0
1940 78 44 0.00 0.0
1939 66 46 0.04 n/a
1938 65 50 0.19 n/a
1937 83 43 0.00 n/a
1936 78 42 0.00 n/a
1935 67 42 0.00 n/a
1934 76 47 0.00 n/a
1933 n/a n/a n/a n/a
1932 n/a n/a n/a n/a
1931 n/a n/a n/a n/a
1930 n/a n/a n/a n/a
1929 n/a n/a n/a n/a
1928 n/a n/a n/a n/a
1927 n/a n/a n/a n/a
1926 n/a n/a n/a n/a
1925 n/a n/a n/a n/a
1924 n/a n/a n/a n/a
1923 n/a n/a n/a n/a
1922 n/a n/a n/a n/a
1921 n/a n/a n/a n/a
1920 n/a n/a n/a n/a
1919 n/a n/a n/a n/a
1918 n/a n/a n/a n/a
1917 n/a n/a n/a n/a
1916 n/a n/a n/a n/a
1915 n/a n/a n/a n/a
1914 n/a n/a n/a n/a
1913 n/a n/a n/a 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 72 46 n/a 0.0
1899 58 48 0.00 n/a
1898 74 49 0.02 n/a
1897 84 68 0.00 n/a
1896 62 34 0.05 n/a
1895 89 53 0.00 n/a
1894 78 55 0.28 n/a
What's the all-time high for Lewiston on 5/18?
For the date of May 18, the highest temperature ever reached in Lewiston history is 97 °F which happened in 2006.
Highest Temperatures in Lewiston on May 18
Rank Temperature Year
1 97 °F 2006
2 94 °F 1954
3 93 °F 2008
4 91 °F 1958
5 90 °F 2023
6 89 °F 1956
6 89 °F 1895
8 87 °F 2009
8 87 °F 1973
10 86 °F 1985
10 86 °F 1993
What's the all-time low for Lewiston on 5/18?
For the date of May 18, the lowest temperature ever reached in Lewiston history is 34 °F which has happened 2 times, most recently in 1965.
Lowest Temperatures in Lewiston on May 18
Rank Temperature Year
1 34 °F 1896
1 34 °F 1965
3 36 °F 1966
3 36 °F 1971
5 38 °F 1974
6 40 °F 2011
6 40 °F 1950
6 40 °F 1941
6 40 °F 1943
6 40 °F 2003
Lowest High Temperatures in Lewiston on May 18
Rank Temperature Year
1 55 °F 1948
1 55 °F 1962
3 56 °F 1977
4 57 °F 1974
4 57 °F 2003
6 58 °F 1899
7 59 °F 1960
8 60 °F 1959
8 60 °F 1941
10 61 °F 1989
What's the most it has ever rained in Lewiston on 5/18?
For the date of May 18, the most precipitation ever recorded in Lewiston history is 1.32 inches which happened in 1991.
All-Time Most Precipitation in Lewiston on May 18
Rank Precipitation Year
1 1.32 inches 1991
2 0.99 inches 2018
3 0.57 inches 1996
4 0.31 inches 1962
5 0.28 inches 1894
6 0.27 inches 1977
7 0.26 inches 1999
7 0.26 inches 1941
9 0.24 inches 1983
10 0.21 inches 2016
Weather Station Details
Years Station Coordinates
1948–2024 Lewiston Nez Perce County Airport location
1894–1947 Lewiston WTP location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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