Seattle City, WA: Summer

31 August 2026: Summer 2026 averaged 66.9°F in Seattle City, WA, the warmest summer since 2025, tied 9th warmest of 130 (with 2018 and 2014).

Summer 2026

Mean temperature: 66.9°F; Warmest since 2025; 9th warmest of 130
Precipitation: 2.36 in; Driest since 2025; 48th driest of 130

A normal summer in Seattle City, WA (1991 to 2020): a mean temperature of 65.2°F, between 63.1°F and 66.9°F in eight years of ten and 3.51 in of precipitation, between 1.44 in and 5.21 in in eight years of ten.

The mean temperature of every summer in Seattle City, WA since 1894: 66.9°F in 2026; the highest is 68.8°F, in 2015.

Normal range, 63.1 to 66.9°F

Every year, ranked, as a table

Every summer in Seattle City, WA from 1894 to 2026, ranked: the mean temperature, the mean high and the mean low from the warmest, the precipitation from the wettest; a year missing more than a tenth of its days is not ranked.

Year	Mean, °F	Rank	High, °F	Rank	Low, °F	Rank	Precipitation, in	Rank	Days missing
2026	66.9	9	77.4	6	56.4	21	2.36	83	0
2025	67.3	5	77.8	4	56.9	10	1.41	108	0
2024	66.4	14	76.5	15	56.2	26	4.19	21	0
2023									29
2022	67.1	7	77	8	57.2	7	2.97	64	2
2021	67.9	3	78.1	3	57.7	3	2.43	77	0
2020	64.9	34	74.1	35	55.6	43	3.80	38	0
2019	65.4	25	74.7	27	56.1	28	3.61	43	0
2018	66.9	9	77	8	56.7	15	2.06	94	0
2017	66.5	13	77	8	56	32	1.31	110	0
2016	66.4	14	75.9	17	56.9	10	2.10	92	0
2015	68.8	1	79.5	1	58.2	2	3.89	31	0
2014	66.9	9	76.9	11	57	9	3.88	33	0
2013	66.7	12	76.5	15	56.9	10	3.01	59	0
2012	63.7	70	72.3	76	55.2	57	5.09	13	0
2011	63.1	88	72.3	76	54	100	2.25	87	0
2010	63	91	72	85	54	100	3.40	49	0
2009	66.4	14	76.6	14	56.3	24	1.22	119	0
2008	63.1	88	72.4	72	53.8	106	5.29	8	0
2007	64.9	34	74.3	32	55.5	47	3.75	39	0
2006	65.1	32	75.3	20	54.9	72	2.08	93	0
2005	64.8	38	74.4	30	55.1	63	3.73	40	0
2004	67	8	76.8	13	57.1	8	4.07	26	0
2003	66	18	76.9	11	55.2	57	1.25	116	0
2002	64.4	44	74.4	30	54.4	86	2.24	88	1
2001	62.9	95	72.2	80	53.7	108	5.41	7	0
2000	63.7	70	73.3	47	54.1	95	1.49	107	0
1999									61
1998									62
1997	65.8	19	74.9	25	56.6	17	5.18	10	0
1996	65.2	29	75.2	22	55.1	63	2.17	90	0
1995	64.9	34	73.9	40	55.8	40	5.57	6	0
1994	65.8	19	75.6	19	56	32	2.30	85	0
1993	63.7	70	71.5	95	55.9	34	4.66	15	0
1992	66.1	17	75.9	17	56.4	21	2.98	63	0
1991	63.9	62	72.4	72	55.4	50	4.11	24	0
1990	65.6	22	73.9	40	57.3	6	4.21	19	0
1989	63.8	66	71.9	88	55.7	42	2.60	72	0
1988	63.5	82	72.1	83	54.9	72	2.51	75	0
1987	64.5	43	73.6	42	55.5	47	1.02	126	0
1986	65.4	25	74	38	56.7	15	2.43	77	0
1985	65.6	22	75.3	20	55.8	40	3.99	28	0
1984	63.9	62	72.4	72	55.3	53	3.85	35	0
1983	64.3	49	71.7	90	56.8	13	6.14	4	0
1982	64.4	44	72.7	61	56.1	28	2.50	76	0
1981	64.9	34	73.2	51	56.6	17	3.93	30	0
1980	62.3	109	69.7	122	54.9	72	5.11	12	0
1979	64.3	49	72.7	61	55.9	34	2.03	96	0
1978	64.7	40	73	55	56.4	21	4.38	16	0
1977	64.2	52	72.9	58	55.4	50	6.88	2	0
1976	62.4	105	70.1	119	54.7	78	5.14	11	0
1975	62.9	95	70.8	106	55	69	4.18	23	0
1974	63.9	62	72.7	61	55.1	63	3.13	54	0
1973	62.8	98	71.5	95	54.2	94	2.55	74	0
1972	64.1	57	72.6	67	55.6	43	3.71	41	0
1971	64.2	52	73.2	51	55.3	53	2.89	66	0
1970	65.3	28	74.5	28	56.1	28	2.05	95	0
1969	64.4	44	73	55	55.9	34	1.60	104	0
1968	65.1	32	73.6	42	56.5	20	7.28	1	0
1967	67.7	4	77.7	5	57.7	3	1.40	109	0
1966	64	59	72.2	80	55.9	34	2.31	84	0
1965	65.2	29	74.5	28	55.9	34	2.56	73	0
1964	63.3	85	70.7	111	55.9	34	5.98	5	0
1963	63	91	70.5	112	55.4	50	3.56	45	0
1962	63.7	70	72.3	76	55.2	57	3.21	53	0
1961	67.3	5	77.1	7	57.5	5	1.76	102	0
1960	64.2	52	73.3	47	55.1	63	2.00	97	0
1959	64.7	40	73.4	44	56.1	28	2.69	70	0
1958	68.3	2	78.3	2	58.3	1	1.04	124	0
1957	63.5	82	71.3	100	55.6	43	3.12	55	0
1956	63.7	70	72.2	80	55.1	63	3.42	47	0
1955	61.6	121	69.7	122	53.5	111	3.07	58	0
1954	60.8	128	68.1	129	53.5	111	3.89	31	0
1953	63.2	86	71.3	100	55.2	57	2.73	69	0
1952	63.4	84	72.5	70	54.3	91	2.94	65	0
1951	64.8	38	75.1	23	54.6	81	1.10	122	0
1950	64.6	42	74.1	35	55	69	2.40	80	0
1949	63	91	72.4	72	53.5	111	1.27	113	0
1948	63.7	70	72	85	55.5	47	5.27	9	0
1947	63.8	66	72.6	67	55	69	3.41	48	0
1946	64	59	72.7	61	55.3	53	3.01	59	0
1945	64	59	74	38	54.1	95	1.04	124	0
1944	63.6	77	72.6	67	54.6	81	1.64	103	0
1943	62.8	98	71.5	95	54.1	95	2.43	77	0
1942	65.4	25	74.2	34	56.6	17	4.06	27	0
1941	65.8	19	74.8	26	56.8	13	3.37	50	0
1940	65.6	22	75	24	56.3	24	1.31	110	0
1939	64.2	52	73.4	44	54.9	72	2.81	68	0
1938	64.4	44	74.3	32	54.6	81	1.05	123	1
1937	64.4	44	73.2	51	55.6	43	5.07	14	0
1936	65.2	29	74.1	35	56.2	26	4.32	17	0
1935	63.8	66	72.7	61	54.9	72	3.10	56	0
1934	64.2	52	73.1	54	55.2	57	1.24	118	2
1933	63.7	70	73	55	54.5	84	3.95	29	1
1932	62	116	70.1	119	54	100	3.23	52	0
1931	63.1	88	71.8	89	54.4	86	3.57	44	0
1930	62.4	105	71.2	102	53.6	110	1.79	100	0
1929	62.8	98	71.6	94	54	100	3.01	59	0
1928	62.5	103	70.8	106	54.3	91	1.25	116	0
1927	63.9	62	72.8	59	55.1	63	1.50	106	0
1926	64.3	49	73.3	47	55.3	53	2.15	91	0
1925	62.6	101	71.4	99	53.9	104	1.98	98	0
1924	62	116	70.5	112	53.4	114	1.56	105	0
1923	63.6	77	72.5	70	54.7	78	3.67	42	0
1922	62.2	111	71	105	53.4	114	1.20	121	0
1921	60.9	127	68.7	127	53	120	3.08	57	0
1920	62.4	105	71.5	95	53.4	114	4.08	25	0
1919	61.2	124	70	121	52.3	129	0.65	130	0
1918	62.4	105	70.8	106	53.9	104	3.00	62	0
1917	62	116	71.1	104	52.9	123	3.82	37	0
1916	61.2	124	69.2	126	53.2	119	3.86	34	0
1915	63.6	77	72.1	83	55.2	57	1.29	112	0
1914	62.1	114	71.2	102	53	120	1.77	101	0
1913	62.6	101	70.8	106	54.4	86	2.89	66	0
1912	61.9	119	69.7	122	54.1	95	6.40	3	0
1911	61.5	122	70.3	114	52.8	124	0.75	129	0
1910	60.1	130	68.1	129	52.2	130	1.00	127	0
1909	60.6	129	68.7	127	52.4	128	1.26	115	0
1908	62.1	114	70.8	106	53.4	114	1.21	120	0
1907	61.7	120	70.3	114	53	120	2.29	86	0
1906	63.6	77	72.8	59	54.4	86	2.23	89	0
1905	62.2	111	70.3	114	54.1	95	3.83	36	0
1904	62.5	103	71.7	90	53.3	118	1.88	99	0
1903	62.3	109	70.2	118	54.4	86	3.33	51	0
1902	62.9	95	72	85	53.8	106	4.20	20	0
1901	61.5	122	70.3	114	52.7	126	2.38	82	0
1900	63.2	86	71.7	90	54.7	78	3.47	46	0
1899	61.1	126	69.4	125	52.8	124	4.19	21	0
1898	64.1	57	73.4	44	54.8	77	2.40	80	0
1897	63.6	77	72.7	61	54.5	84	4.27	18	0
1896	63.8	66	73.3	47	54.3	91	1.27	113	0
1895	62.2	111	71.7	90	52.7	126	0.87	128	0
1894	63	91	72.3	76	53.7	108	2.64	71	0

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2015	68.8
1958	68.3
2021	67.9
1967	67.7
2025	67.3
1961	67.3
2022	67.1
2004	67
2026	66.9
2018	66.9
More years share the last value

Coldest
Year	Mean, °F
1910	60.1
1909	60.6
1954	60.8
1921	60.9
1899	61.1
1919	61.2
1916	61.2
1911	61.5
1901	61.5
1955	61.6

Wettest
Year	Precipitation, in
1968	7.28
1977	6.88
1912	6.40
1983	6.14
1964	5.98
1995	5.57
2001	5.41
2008	5.29
1948	5.27
1997	5.18

Driest
Year	Precipitation, in
1919	0.65
1911	0.75
1895	0.87
1910	1.00
1987	1.02
1958	1.04
1945	1.04
1938	1.05
1951	1.10
1922	1.20

The hottest, coldest and wettest days

Hottest day: 91°F; 22 July 2026, 21 July 2026, 24 June 2026
Coldest night: 48°F; 1 June 2026
Wettest day: 0.76 in; 8 June 2026

Every month, season and year

Months

Seasons

Years

Seattle City, WA the day's answers

All-time records

Every answer in words

Summer 2026 brought 2.36 in of precipitation in Seattle City, WA, the driest summer since 2025, 48th driest of 130.
The hottest day of summer 2026 in Seattle City, WA: 91°F on Wednesday 22 July 2026, Tuesday 21 July 2026 and Wednesday 24 June 2026.
The coldest night of summer 2026 in Seattle City, WA: a low of 48°F on Monday 1 June 2026.
The wettest day of summer 2026 in Seattle City, WA: 0.76 in on Monday 8 June 2026.