Number of Days of 100 °F in Lewiston by Year

This page contains a list of the number of days in each year that the high temperature equaled or exceeded 100 degrees Fahrenheit in Lewiston, Idaho, between 1894 and 2024.
Also see:
Which year had the most 100° days?
Based on NOAA records, the year 1942 holds the record for the most 100 °F days in Lewiston history. There were 27 days with a high temperature of at least 100 degrees that year.
How many so far this year (2024)?
It has not reached 100 degrees Fahrenheit in Lewiston so far in 2024. As of March 26, the highest temperature this year is 75 °F.
The last time it reached at least 100° F was August 28, 2023.
  • Years marked with a gold background have more than 5% incomplete data
  • Click column headers to sort
Year Rank Days >= 100 °F
2024 92 0
2023 23 13
2022 13 18
2021 4 24
2020 48 8
2019 63 5
2018 30 12
2017 23 13
2016 63 5
2015 8 20
2014 10 19
2013 41 10
2012 30 12
2011 70 4
2010 85 2
2009 41 10
2008 41 10
2007 23 13
2006 20 15
2005 34 11
2004 41 10
2003 15 17
2002 54 7
2001 54 7
2000 70 4
1999 70 4
1998 20 15
1997 70 4
1996 48 8
1995 92 0
1994 30 12
1993 92 0
1992 34 11
1991 88 1
1990 23 13
1989 79 3
1988 54 7
1987 79 3
1986 63 5
1985 48 8
1984 70 4
1983 54 7
1982 46 9
1981 34 11
1980 79 3
1979 60 6
1978 23 13
1977 23 13
1976 85 2
1975 60 6
1974 63 5
1973 7 21
1972 54 7
1971 15 17
1970 23 13
1969 88 1
1968 48 8
1967 15 17
1966 79 3
1965 54 7
1964 88 1
1963 92 0
1962 85 2
1961 30 12
1960 34 11
1959 60 6
1958 70 4
1957 92 0
1956 63 5
1955 63 5
1954 92 0
1953 70 4
1952 79 3
1951 70 4
1950 70 4
1949 63 5
1948 88 1
1947 48 8
1946 15 17
1945 15 17
1944 10 19
1943 34 11
1942 1 27
1941 20 15
1940 4 24
1939 1 27
1938 1 27
1937 10 19
1936 6 23
1935 13 18
1934 41 10
1933 92 0
1932 92 0
1931 92 0
1930 92 0
1929 92 0
1928 92 0
1927 92 0
1926 92 0
1925 92 0
1924 92 0
1923 92 0
1922 92 0
1921 92 0
1920 92 0
1919 92 0
1918 92 0
1917 92 0
1916 92 0
1915 92 0
1914 92 0
1913 92 0
1912 92 0
1911 92 0
1910 92 0
1909 92 0
1908 92 0
1907 92 0
1906 92 0
1905 92 0
1904 92 0
1903 92 0
1902 92 0
1901 92 0
1900 92 0
1899 79 3
1898 48 8
1897 8 20
1896 34 11
1895 46 9
1894 34 11
Weather Station Details
Years Station Coordinates
1948–2024 Lewiston Nez Perce County Airport location
1894–1947 Lewiston WTP location