Lewiston April 18 Weather Records

Daily averages and all-time records for weather in Lewiston, Idaho for the date of April 18.
April 18 All-Time Records
1894–2024
Highest temperature 90 °F 1936
Lowest temperature 26 °F 1964
Lowest daily high 46 °F 2011
Highest daily low 54 °F 1994
Most precipitation 0.55 inches 1947
Most snow none -
April 18 Average Weather
1991–2020 1
Average high 62.8 °F
Average low 40.9 °F
Chance precipitation 37.0%
Chance snow 0%
Lewiston April 18 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2024 61 33 0.00 0.0
2023 53 36 0.08 0.0
2022 62 40 0.00 0.0
2021 80 42 0.00 0.0
2020 70 46 0.00 0.0
2019 76 43 0.00 0.0
2018 63 34 0.00 0.0
2017 61 42 0.18 0.0
2016 81 45 0.00 0.0
2015 71 40 0.00 0.0
2014 60 37 0.02 0.0
2013 56 35 0.00 0.0
2012 59 43 0.10 0.0
2011 46 29 0.01 0.0
2010 72 45 0.00 0.0
2009 66 39 0.00 0.0
2008 59 39 0.00 0.0
2007 55 41 0.00 0.0
2006 60 34 0.00 0.0
2005 57 40 0.00 n/a
2004 58 41 0.12 n/a
2003 56 37 0.00 n/a
2002 53 37 0.09 n/a
2001 53 39 0.17 n/a
2000 70 45 0.00 n/a
1999 73 48 0.03 n/a
1998 62 36 0.00 n/a
1997 58 44 0.15 n/a
1996 56 40 0.08 n/a
1995 53 43 0.00 0.0
1994 85 54 0.00 0.0
1993 58 43 0.03 0.0
1992 60 46 0.00 0.0
1991 70 38 0.00 0.0
1990 71 51 0.00 0.0
1989 79 44 0.00 0.0
1988 64 46 0.04 0.0
1987 52 40 0.00 0.0
1986 61 39 0.00 0.0
1985 57 41 0.35 0.0
1984 55 41 0.10 0.0
1983 72 44 0.00 0.0
1982 51 33 0.00 0.0
1981 75 40 0.00 0.0
1980 77 49 0.00 0.0
1979 53 33 0.00 0.0
1978 66 37 0.00 0.0
1977 57 27 0.00 0.0
1976 52 40 0.13 0.0
1975 60 35 0.01 0.0
1974 61 43 0.03 0.0
1973 53 37 0.00 0.0
1972 53 28 0.00 0.0
1971 56 37 0.00 0.0
1970 61 35 0.00 0.0
1969 59 43 0.01 0.0
1968 62 30 0.00 0.0
1967 56 40 0.23 0.0
1966 52 28 0.00 0.0
1965 54 37 0.06 0.0
1964 59 26 0.00 0.0
1963 48 34 0.00 0.0
1962 82 47 0.00 0.0
1961 56 38 0.10 0.0
1960 54 35 0.08 0.0
1959 56 37 0.00 0.0
1958 58 37 0.00 0.0
1957 62 34 0.00 0.0
1956 72 39 0.00 0.0
1955 51 37 0.08 0.0
1954 62 42 0.00 0.0
1953 69 40 0.00 0.0
1952 84 49 0.00 0.0
1951 67 40 0.00 0.0
1950 60 30 0.00 0.0
1949 76 45 0.00 0.0
1948 62 43 0.05 0.0
1947 70 47 0.55 0.0
1946 79 44 0.00 0.0
1945 68 38 0.00 0.0
1944 61 36 0.11 0.0
1943 78 43 0.00 0.0
1942 60 42 0.00 0.0
1941 57 34 0.03 0.0
1940 76 49 0.04 0.0
1939 78 42 0.00 n/a
1938 67 49 0.14 n/a
1937 64 35 0.00 n/a
1936 90 50 0.00 n/a
1935 62 39 0.00 n/a
1934 72 48 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 40 n/a 0.0
1899 70 51 0.00 n/a
1898 68 41 0.00 n/a
1897 90 44 0.00 n/a
1896 57 34 0.00 n/a
1895 68 34 0.00 n/a
1894 67 42 0.00 n/a
What's the all-time high for Lewiston on 4/18?
For the date of Apr 18, the highest temperature ever reached in Lewiston history is 90 °F which has happened 2 times, most recently in 1936.
Highest Temperatures in Lewiston on April 18
Rank Temperature Year
1 90 °F 1897
1 90 °F 1936
3 85 °F 1994
4 84 °F 1952
5 82 °F 1962
6 81 °F 2016
7 80 °F 2021
8 79 °F 1989
8 79 °F 1946
10 78 °F 1943
10 78 °F 1939
What's the all-time low for Lewiston on 4/18?
For the date of Apr 18, the lowest temperature ever reached in Lewiston history is 26 °F which happened in 1964.
Lowest Temperatures in Lewiston on April 18
Rank Temperature Year
1 26 °F 1964
2 27 °F 1977
3 28 °F 1966
3 28 °F 1972
5 29 °F 2011
6 30 °F 1968
6 30 °F 1950
8 33 °F 1979
8 33 °F 2024
8 33 °F 1982
Lowest High Temperatures in Lewiston on April 18
Rank Temperature Year
1 46 °F 2011
2 48 °F 1963
3 51 °F 1982
3 51 °F 1955
5 52 °F 1966
5 52 °F 1987
5 52 °F 1976
8 53 °F 1995
8 53 °F 1972
8 53 °F 2023
8 53 °F 2001
8 53 °F 1979
8 53 °F 1973
8 53 °F 2002
What's the most it has ever rained in Lewiston on 4/18?
For the date of Apr 18, the most precipitation ever recorded in Lewiston history is 0.55 inches which happened in 1947.
All-Time Most Precipitation in Lewiston on April 18
Rank Precipitation Year
1 0.55 inches 1947
2 0.35 inches 1985
3 0.23 inches 1967
4 0.18 inches 2017
5 0.17 inches 2001
6 0.15 inches 1997
7 0.14 inches 1938
8 0.13 inches 1976
9 0.12 inches 2004
10 0.11 inches 1944
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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