Lewiston August 15 Weather Records

Daily averages and all-time records for weather in Lewiston, Idaho for the date of August 15.
August 15 All-Time Records
1894–2024
Highest temperature 109 °F 2023
Lowest temperature 50 °F 1938
Lowest daily high 64 °F 1960
Highest daily low 73 °F 2004
Most precipitation 0.61 inches 1972
Most snow none -
August 15 Average Weather
1991–2020 1
Average high 90.1 °F
Average low 60.2 °F
Chance precipitation 11.0%
Chance snow 0%
Lewiston August 15 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 109 71 0.00 0.0
2022 97 58 0.00 0.0
2021 102 70 0.00 0.0
2020 98 58 0.00 0.0
2019 90 65 0.00 0.0
2018 97 58 0.00 0.0
2017 87 54 0.00 0.0
2016 98 61 0.00 0.0
2015 84 63 0.00 0.0
2014 77 61 0.04 0.0
2013 100 67 0.00 0.0
2012 95 65 0.00 0.0
2011 79 59 0.00 0.0
2010 95 59 0.00 0.0
2009 75 55 0.00 0.0
2008 101 65 0.00 0.0
2007 103 61 0.00 0.0
2006 89 59 0.00 0.0
2005 97 58 0.00 n/a
2004 96 73 0.00 n/a
2003 97 65 0.00 n/a
2002 93 59 0.00 n/a
2001 101 65 0.00 n/a
2000 86 54 0.00 n/a
1999 77 56 0.00 n/a
1998 92 69 0.00 n/a
1997 88 65 0.00 n/a
1996 94 63 0.00 n/a
1995 73 61 0.11 0.0
1994 88 65 0.00 0.0
1993 72 58 0.24 0.0
1992 99 72 0.00 0.0
1991 91 58 0.00 0.0
1990 90 70 0.00 0.0
1989 78 59 0.00 0.0
1988 84 62 0.04 0.0
1987 77 58 0.01 0.0
1986 93 63 0.00 0.0
1985 83 55 0.00 0.0
1984 95 59 0.00 0.0
1983 96 64 0.02 0.0
1982 84 56 0.00 0.0
1981 101 66 0.00 0.0
1980 83 59 0.00 0.0
1979 81 61 0.05 0.0
1978 69 56 0.52 0.0
1977 99 70 0.00 0.0
1976 75 54 0.56 0.0
1975 95 60 0.00 0.0
1974 87 54 0.00 0.0
1973 99 64 0.00 0.0
1972 79 58 0.61 0.0
1971 94 55 0.00 0.0
1970 95 54 0.00 0.0
1969 89 66 0.00 0.0
1968 70 55 0.01 0.0
1967 102 62 0.00 0.0
1966 94 58 0.00 0.0
1965 93 59 0.00 0.0
1964 87 52 0.00 0.0
1963 86 55 0.00 0.0
1962 101 59 0.00 0.0
1961 93 65 0.32 0.0
1960 64 52 0.28 0.0
1959 88 56 0.00 0.0
1958 96 59 0.00 0.0
1957 90 53 0.00 0.0
1956 90 69 0.00 0.0
1955 90 53 0.00 0.0
1954 70 52 0.22 0.0
1953 104 60 0.00 0.0
1952 87 62 0.00 0.0
1951 93 56 0.00 0.0
1950 92 58 0.00 0.0
1949 89 56 0.00 0.0
1948 84 55 0.00 0.0
1947 92 55 0.00 0.0
1946 94 63 0.00 0.0
1945 103 63 0.00 0.0
1944 79 52 0.00 0.0
1943 96 53 0.00 0.0
1942 95 55 0.00 0.0
1941 98 60 0.00 0.0
1940 89 55 0.00 0.0
1939 97 59 0.00 n/a
1938 82 50 0.00 n/a
1937 79 62 0.00 n/a
1936 94 56 0.00 n/a
1935 81 50 0.00 n/a
1934 103 58 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 n/a n/a n/a n/a
1899 99 58 0.00 n/a
1898 96 64 0.00 n/a
1897 105 60 0.00 n/a
1896 98 58 0.00 n/a
1895 95 50 0.00 n/a
1894 94 55 n/a n/a
What's the all-time high for Lewiston on 8/15?
For the date of Aug 15, the highest temperature ever reached in Lewiston history is 109 °F which happened in 2023.
Highest Temperatures in Lewiston on August 15
Rank Temperature Year
1 109 °F 2023
2 105 °F 1897
3 104 °F 1953
4 103 °F 1934
4 103 °F 1945
4 103 °F 2007
7 102 °F 2021
7 102 °F 1967
9 101 °F 2001
9 101 °F 2008
9 101 °F 1962
9 101 °F 1981
What's the all-time low for Lewiston on 8/15?
For the date of Aug 15, the lowest temperature ever reached in Lewiston history is 50 °F which has happened 3 times, most recently in 1938.
Lowest Temperatures in Lewiston on August 15
Rank Temperature Year
1 50 °F 1938
1 50 °F 1895
1 50 °F 1935
4 52 °F 1964
4 52 °F 1944
4 52 °F 1960
4 52 °F 1954
8 53 °F 1943
8 53 °F 1957
8 53 °F 1955
Lowest High Temperatures in Lewiston on August 15
Rank Temperature Year
1 64 °F 1960
2 69 °F 1978
3 70 °F 1968
3 70 °F 1954
5 72 °F 1993
6 73 °F 1995
7 75 °F 1976
7 75 °F 2009
9 77 °F 1987
9 77 °F 2014
9 77 °F 1999
What's the most it has ever rained in Lewiston on 8/15?
For the date of Aug 15, the most precipitation ever recorded in Lewiston history is 0.61 inches which happened in 1972.
All-Time Most Precipitation in Lewiston on August 15
Rank Precipitation Year
1 0.61 inches 1972
2 0.56 inches 1976
3 0.52 inches 1978
4 0.32 inches 1961
5 0.28 inches 1960
6 0.24 inches 1993
7 0.22 inches 1954
8 0.11 inches 1995
9 0.05 inches 1979
10 0.04 inches 2014
10 0.04 inches 1988
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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