Number of Days of 90 °F in Washington D.C. by Year

This page contains a list of the number of days in each year that the temperature equaled or exceeded 90 °F in Washington D.C., District of Columbia, between 1851 and 2023.

What Year Had the Most 90° Days?

Based on NOAA records, the year 2010 holds the record for the most 90° F days in Washington D.C. history. There were 67 days with a high temperature of at least 90 degrees that year.

How Many 90° Days Have There Been So Far?

It has not reached 90 degrees Fahrenheit in Washington D.C. so far in 2023. As of March 17, the highest temperature this year is 81 °F.

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

Year	Rank	Days Over 90 °F
2023	154	0
2022	49	38
2021	22	48
2020	25	46
2019	3	62
2018	29	45
2017	36	43
2016	9	58
2015	16	52
2014	101	24
2013	59	35
2012	14	53
2011	20	50
2010	1	67
2009	114	22
2008	59	35
2007	33	44
2006	56	36
2005	46	39
2004	147	11
2003	124	20
2002	10	56
2001	137	16
2000	146	12
1999	22	48
1998	59	35
1997	38	42
1996	119	21
1995	16	52
1994	25	46
1993	18	51
1992	119	21
1991	4	59
1990	80	30
1989	114	22
1988	4	59
1987	29	45
1986	41	41
1985	85	28
1984	106	23
1983	11	55
1982	114	22
1981	70	33
1980	1	67
1979	124	20
1978	46	39
1977	25	46
1976	56	36
1975	59	35
1974	73	32
1973	53	37
1972	137	16
1971	82	29
1970	11	55
1969	46	39
1968	44	40
1967	101	24
1966	4	59
1965	22	48
1964	21	49
1963	85	28
1962	119	21
1961	56	36
1960	106	23
1959	38	42
1958	106	23
1957	25	46
1956	106	23
1955	77	31
1954	73	32
1953	33	44
1952	59	35
1951	85	28
1950	144	13
1949	93	26
1948	99	25
1947	132	18
1946	132	18
1945	124	20
1944	33	44
1943	4	59
1942	77	31
1941	29	45
1940	101	24
1939	49	38
1938	67	34
1937	53	37
1936	44	40
1935	82	29
1934	49	38
1933	67	34
1932	41	41
1931	36	43
1930	13	54
1929	53	37
1928	93	26
1927	132	18
1926	82	29
1925	49	38
1924	106	23
1923	85	28
1922	137	16
1921	70	33
1920	135	17
1919	99	25
1918	90	27
1917	147	11
1916	124	20
1915	93	26
1914	59	35
1913	73	32
1912	106	23
1911	41	41
1910	101	24
1909	106	23
1908	124	20
1907	144	13
1906	142	14
1905	152	7
1904	147	11
1903	142	14
1902	114	22
1901	85	28
1900	14	53
1899	93	26
1898	38	42
1897	137	16
1896	70	33
1895	73	32
1894	67	34
1893	119	21
1892	119	21
1891	150	10
1890	137	16
1889	151	8
1888	131	19
1887	114	22
1886	152	7
1885	93	26
1884	101	24
1883	90	27
1882	106	23
1881	18	51
1880	59	35
1879	90	27
1878	80	30
1877	93	26
1876	77	31
1875	135	17
1874	59	35
1873	29	45
1872	4	59
1871	154	0
1870	154	0
1869	154	0
1868	154	0
1867	154	0
1866	154	0
1865	154	0
1864	154	0
1863	154	0
1862	154	0
1861	154	0
1860	154	0
1859	154	0
1858	124	20
1857	154	0
1856	154	0
1855	154	0
1854	154	0
1853	154	0
1852	154	0
1851	124	20

Weather Station Details

Years	Station	Coordinates
1945–2023	Washington Reagan Airport	location
1851–1945	Washington D.C.	location