Seattle Tacoma, WA: Summer

31 August 2026: Summer 2026 averaged 66.2°F in Seattle Tacoma, WA, the warmest summer since 2025, tied 16th warmest of 82 (with 2004).

Summer 2026

Mean temperature: 66.2°F; Warmest since 2025; 16th warmest of 82
Precipitation: 2.32 in; Driest since 2025; 25th driest of 82

A normal summer in Seattle Tacoma, WA (1991 to 2020): a mean temperature of 64.9°F, between 62.8°F and 67°F in eight years of ten and 2.86 in of precipitation, between 1.53 in and 4.16 in in eight years of ten.

The mean temperature of every summer in Seattle Tacoma, WA since 1945: 66.2°F in 2026; the highest is 69.2°F, in 2015.

Normal range, 62.8 to 67°F

Every year, ranked, as a table

Every summer in Seattle Tacoma, WA from 1945 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
2026	66.2	16	76.5	14	56	14	2.32	58
2025	66.6	11	76.8	11	56.5	8	1.57	73
2024	65.8	19	75.7	22	55.9	17	3.01	41
2023	66.9	5	77.4	7	56.3	12	1.58	72
2022	66.7	10	76.7	12	56.7	5	2.90	44
2021	67.2	4	77.8	3	56.5	8	2.02	66
2020	65.6	21	75.2	25	56	14	2.76	48
2019	66.8	7	76.1	17	57.5	3	3.25	38
2018	67.4	2	78	2	56.8	4	0.88	81
2017	66.9	5	77.4	7	56.4	11	1.54	74
2016	66.4	12	76.2	16	56.5	8	2.66	52
2015	69.2	1	80.2	1	58.3	1	3.60	26
2014	66.8	7	77	10	56.7	5	3.31	37
2013	67.4	2	77.3	9	57.6	2	2.65	53
2012	63.5	48	72.6	55	54.5	37	4.00	16
2011	63.2	51	72.4	57	53.9	51	2.25	59
2010	62.8	57	72	64	53.6	55	3.44	33
2009	66.3	14	76.3	15	56.3	12	1.40	76
2008	63.1	52	72.2	59	54.1	47	4.99	8
2007	64.6	30	73.8	41	55.4	20	3.51	31
2006	65.5	23	75.8	20	55.2	25	1.75	70
2005	64.1	39	73.4	45	54.8	31	2.95	42
2004	66.2	16	75.8	20	56.7	5	3.87	21
2003	65.7	20	76.1	17	55.3	21	0.89	80
2002	63.8	43	73.4	45	54.2	43	2.41	56
2001	61.6	74	70.3	75	53	62	6.40	2
2000	62.8	57	72	64	53.6	55	2.17	62
1999	61.8	69	70.3	75	53.3	60	3.96	17
1998	64.8	28	74.3	32	55.3	21	1.87	68
1997	63.9	42	73	54	54.8	31	4.11	15
1996	64.9	27	75.2	25	54.7	33	2.68	50
1995	64.2	38	73.5	44	54.9	27	4.61	10
1994	65.3	24	75.1	29	55.5	19	1.83	69
1993	62.4	63	70.7	74	54	50	3.91	20
1992	66.1	18	76.6	13	55.6	18	2.69	49
1991	64.1	39	74.1	35	54.2	43	3.74	23
1990	65.1	26	75.3	24	54.9	27	4.34	13
1989	64.3	33	74	36	54.6	36	2.67	51
1988	63.5	48	74	36	52.9	64	2.34	57
1987	64.3	33	75.2	25	53.4	59	0.84	82
1986	64.3	33	74.3	32	54.2	43	1.88	67
1985	64.6	30	75.4	23	53.9	51	3.45	32
1984	62.9	55	72.4	57	53.5	58	3.11	40
1983	62.9	55	71	71	54.9	27	6.14	3
1982	63.7	46	73.1	51	54.2	43	2.24	60
1981	63	54	72.2	59	53.8	53	3.94	18
1980	61.1	78	69.7	79	52.5	67	2.87	45
1979	64.6	30	75	31	54.3	42	2.21	61
1978	65.2	25	75.1	29	55.3	21	3.34	35
1977	65.6	21	75.9	19	55.2	25	4.55	11
1976	63.3	50	72.2	59	54.5	37	4.51	12
1975	63.8	43	73.1	51	54.5	37	5.70	5
1974	63.7	46	73.8	41	53.7	54	2.77	47
1973	61.9	68	71.1	70	52.7	65	2.85	46
1972	64.3	33	73.9	39	54.7	33	4.28	14
1971	63.1	52	72.2	59	54.1	47	3.53	30
1970	64	41	73.9	39	54.1	47	1.23	77
1969	64.3	33	74	36	54.7	33	1.63	71
1968	63.8	43	73.2	49	54.5	37	8.43	1
1967	66.8	7	77.5	6	56	14	2.07	65
1966	61.8	69	71	71	52.6	66	2.92	43
1965	64.8	28	75.2	25	54.4	41	3.15	39
1964	61.4	76	69.8	78	53	62	6.04	4
1963	62.3	65	71	71	53.6	55	3.59	27
1962	61.8	69	71.9	66	51.8	71	3.33	36
1961	66.3	14	77.7	4	54.9	27	2.11	64
1960	62.8	57	73.3	48	52.4	68	2.62	54
1959	62.7	60	72.1	63	53.2	61	3.35	34
1958	66.4	12	77.6	5	55.3	21	1.21	78
1957	61.3	77	70.2	77	52.3	69	3.92	19
1956	61.5	75	71.3	69	51.8	71	3.56	28
1955	59.7	81	68.9	81	50.4	79	3.54	29
1954	59	82	67.6	82	50.4	79	5.47	7
1953	60.1	80	69.5	80	50.6	77	3.62	25
1952	61	79	71.8	67	50.3	82	2.15	63
1951	62.4	63	74.3	32	50.4	79	1.46	75
1950	62.5	62	73.4	45	51.6	75	3.76	22
1949	61.8	69	73.1	51	50.5	78	2.42	55
1948	61.7	73	71.4	68	52.1	70	5.49	6
1947	62.1	66	73.2	49	51	76	3.68	24
1946	62.1	66	72.5	56	51.7	73	4.79	9
1945	62.7	60	73.6	43	51.7	73	1.04	79

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2015	69.2
2018	67.4
2013	67.4
2021	67.2
2023	66.9
2017	66.9
2019	66.8
2014	66.8
1967	66.8
2022	66.7

Coldest
Year	Mean, °F
1954	59
1955	59.7
1953	60.1
1952	61
1980	61.1
1957	61.3
1964	61.4
1956	61.5
2001	61.6
1948	61.7

Wettest
Year	Precipitation, in
1968	8.43
2001	6.40
1983	6.14
1964	6.04
1975	5.70
1948	5.49
1954	5.47
2008	4.99
1946	4.79
1995	4.61

Driest
Year	Precipitation, in
1987	0.84
2018	0.88
2003	0.89
1945	1.04
1958	1.21
1970	1.23
2009	1.40
1951	1.46
2017	1.54
2025	1.57

The hottest, coldest and wettest days

Hottest day: 95°F; 22 July 2026
Coldest night: 47°F; 7 June 2026
Wettest day: 0.66 in; 8 June 2026

Every month, season and year

Months

Seasons

Years

Seattle Tacoma, WA the day's answers

All-time records

Every answer in words

Summer 2026 brought 2.32 in of precipitation in Seattle Tacoma, WA, the driest summer since 2025, 25th driest of 82.
The hottest day of summer 2026 in Seattle Tacoma, WA: 95°F on Wednesday 22 July 2026.
The coldest night of summer 2026 in Seattle Tacoma, WA: a low of 47°F on Sunday 7 June 2026.
The wettest day of summer 2026 in Seattle Tacoma, WA: 0.66 in on Monday 8 June 2026.