Number of Days of 90 °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 90 degrees Fahrenheit in Lewiston, Idaho, between 1894 and 2024.

Also see:

Which year had the most 90° days?

Based on NOAA records, the year 1938 holds the record for the most 90 °F days in Lewiston history. There were 81 days with a high temperature of at least 90 degrees that year.

How many so far this year (2024)?

It has not reached 90 degrees Fahrenheit in Lewiston so far in 2024. As of April 23, the highest temperature this year is 76 °F.

The last time it reached at least 90° F was September 17, 2023.

Years marked with a gold background have more than 5% incomplete data
Click column headers to sort

Year	Rank	Days >= 90 °F
2024	97	0
2023	12	61
2022	20	55
2021	5	70
2020	49	45
2019	60	42
2018	49	45
2017	11	62
2016	59	43
2015	28	53
2014	37	49
2013	9	64
2012	41	47
2011	41	47
2010	73	37
2009	49	45
2008	55	44
2007	34	51
2006	18	56
2005	49	45
2004	55	44
2003	28	53
2002	66	39
2001	37	49
2000	74	36
1999	71	38
1998	26	54
1997	86	28
1996	66	39
1995	86	28
1994	45	46
1993	96	20
1992	64	40
1991	83	31
1990	16	58
1989	90	24
1988	39	48
1987	39	48
1986	45	46
1985	49	45
1984	41	47
1983	66	39
1982	45	46
1981	55	44
1980	92	23
1979	34	51
1978	80	33
1977	33	52
1976	86	28
1975	80	33
1974	55	44
1973	20	55
1972	49	45
1971	45	46
1970	26	54
1969	66	39
1968	74	36
1967	14	60
1966	60	42
1965	82	32
1964	93	22
1963	64	40
1962	83	31
1961	20	55
1960	66	39
1959	83	31
1958	10	63
1957	89	26
1956	78	35
1955	60	42
1954	93	22
1953	78	35
1952	74	36
1951	74	36
1950	63	41
1949	71	38
1948	93	22
1947	20	55
1946	28	53
1945	6	69
1944	14	60
1943	12	61
1942	20	55
1941	34	51
1940	2	77
1939	6	69
1938	1	81
1937	8	65
1936	3	75
1935	16	58
1934	4	73
1933	97	0
1932	97	0
1931	97	0
1930	97	0
1929	97	0
1928	97	0
1927	97	0
1926	97	0
1925	97	0
1924	97	0
1923	97	0
1922	97	0
1921	97	0
1920	97	0
1919	97	0
1918	97	0
1917	97	0
1916	97	0
1915	97	0
1914	97	0
1913	97	0
1912	97	0
1911	97	0
1910	97	0
1909	97	0
1908	97	0
1907	97	0
1906	97	0
1905	97	0
1904	97	0
1903	97	0
1902	97	0
1901	97	0
1900	97	0
1899	90	24
1898	18	56
1897	28	53
1896	28	53
1895	41	47
1894	20	55

Weather Station Details

Years	Station	Coordinates
1948–2024	Lewiston Nez Perce County Airport	location
1894–1947	Lewiston WTP	location