Seattle Tacoma, WA: August

31 August 2026: August 2026 averaged 67.7°F in Seattle Tacoma, WA, the warmest August since 2025, tied 18th warmest of 82 (with 1997 and 1971).

August 2026

Mean temperature: 67.7°F; Warmest since 2025; 18th warmest of 82
Precipitation: 0.56 in; Driest since 2023; 36th driest of 82

A normal August in Seattle Tacoma, WA (1991 to 2020): a mean temperature of 66.7°F, between 64.8°F and 69.1°F in eight years of ten and 0.65 in of precipitation, between 0.04 in and 2.38 in in eight years of ten.

The mean temperature of every August in Seattle Tacoma, WA since 1945: 67.7°F in 2026; the highest is 71.1°F, in 1967.

Normal range, 64.8 to 69.1°F

Every year, ranked, as a table

Every August 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	67.7	18	78.4	15	57	24	0.56	47
2025	68.8	8	78.4	15	59.3	4	1.14	28
2024	66.5	30	75.7	38	57.3	16	1.66	18
2023	69.9	4	79.9	6	59.9	1	0.27	65
2022	70	3	80.9	3	59.1	5	0.05	76
2021	67.5	21	77.8	22	57.1	22	0.11	74
2020	67.9	16	78.4	15	57.4	15	0.31	58
2019	69.1	6	78.3	18	59.9	1	1.20	25
2018	68.8	8	79.1	10	58.5	8	0.20	68
2017	70.3	2	81.5	2	59	6	0.02	78
2016	68.7	10	79.5	8	57.9	12	0.17	69
2015	68.7	10	79	12	58.5	8	3.28	4
2014	69.1	6	79.5	8	58.8	7	1.81	16
2013	69.4	5	79	12	59.9	1	1.35	21
2012	67.9	16	78.5	14	57.2	18	trace	82
2011	65.8	37	75.8	36	55.8	40	0.13	72
2010	65.4	43	75.2	41	55.5	45	0.64	42
2009	65.6	39	74.7	49	56.5	28	1.16	27
2008	65.9	35	74.6	52	57.2	18	2.87	6
2007	65.6	39	74.8	47	56.4	31	0.73	37
2006	65.9	35	77.1	29	54.7	55	0.02	78
2005	66.7	27	77.3	27	56.2	33	0.29	62
2004	67.1	24	76	35	58.1	11	3.00	5
2003	66.4	32	76.7	33	56.1	35	0.32	56
2002	65.2	46	75.7	38	54.7	55	0.04	77
2001	64.8	51	73.8	61	55.8	40	2.32	8
2000	63.5	65	72.9	66	54	61	0.33	54
1999	64.8	51	73.4	63	56.1	35	0.92	33
1998	66.8	25	77.3	27	56.2	33	0.35	53
1997	67.7	18	78.1	20	57.3	16	1.27	23
1996	66.4	32	77	31	55.9	39	1.32	22
1995	62.9	68	71.7	70	54.2	60	1.81	16
1994	67.3	22	76.9	32	57.7	13	0.30	61
1993	65.5	42	74.9	46	56	37	0.16	71
1992	66.8	25	77.8	22	55.8	40	0.66	41
1991	66.6	29	77.1	29	56	37	2.17	10
1990	67.2	23	78	21	56.5	28	0.71	39
1989	65.2	46	75	44	55.5	45	0.89	34
1988	65.4	43	76.3	34	54.5	58	0.28	64
1987	66.1	34	77.5	25	54.7	55	0.29	62
1986	68.4	13	80	5	56.8	26	0.10	75
1985	65.1	48	75.8	36	54.5	58	0.55	48
1984	64.9	50	74.8	47	55	48	0.13	72
1983	65.6	39	74	58	57.2	18	1.90	14
1982	65.1	48	74.5	54	55.7	44	0.62	44
1981	68.1	15	79.1	10	57	24	0.25	67
1980	61.9	76	70.9	78	52.9	67	0.64	42
1979	63.9	59	72.9	66	55	48	1.02	31
1978	65.4	43	74.4	56	56.5	28	1.19	26
1977	68.5	12	79.7	7	57.2	18	3.59	3
1976	64.1	57	71.1	76	57.1	22	2.71	7
1975	63.2	66	71.5	72	54.9	52	4.59	1
1974	64.6	53	75.2	41	54	61	0.01	81
1973	61.6	77	70.7	80	52.4	74	0.27	65
1972	66.7	27	77.5	25	55.8	40	1.13	29
1971	67.7	18	77.8	22	57.6	14	0.57	46
1970	64.5	54	73.9	60	55	48	0.32	56
1969	64	58	73.2	65	54.8	53	0.45	50
1968	63.6	63	72	69	55.3	47	4.58	2
1967	71.1	1	83.7	1	58.4	10	0.02	78
1966	64.5	54	75	44	54	61	0.42	52
1965	65.7	38	74.6	52	56.8	26	2.18	9
1964	62.6	72	71.2	74	53.9	64	1.23	24
1963	64.5	54	74.1	57	55	48	0.73	37
1962	62	75	71.2	74	52.8	69	1.96	12
1961	68.4	13	80.3	4	56.4	31	0.82	35
1960	62.2	74	70.8	79	53.6	65	1.92	13
1959	62.3	73	71.7	70	52.8	69	0.60	45
1958	66.5	30	78.3	18	54.8	53	0.31	58
1957	61.6	77	71	77	52.2	77	1.64	19
1956	62.9	68	73.5	62	52.4	74	0.76	36
1955	60.9	81	71.3	73	50.5	81	0.17	69
1954	60.6	82	68.5	82	52.6	71	1.57	20
1953	62.7	71	72.8	68	52.6	71	1.11	30
1952	63	67	74	58	52	79	0.70	40
1951	61.6	77	73.3	64	50	82	1.02	31
1950	63.8	60	75.4	40	52.2	77	2.17	10
1949	63.7	62	74.5	54	52.9	67	0.45	50
1948	61.2	80	69.4	81	53	66	1.87	15
1947	62.8	70	74.7	49	50.9	80	0.49	49
1946	63.6	63	74.7	49	52.5	73	0.33	54
1945	63.8	60	75.2	41	52.4	74	0.31	58

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1967	71.1
2017	70.3
2022	70
2023	69.9
2013	69.4
2019	69.1
2014	69.1
2025	68.8
2018	68.8
2016	68.7
More years share the last value

Coldest
Year	Mean, °F
1954	60.6
1955	60.9
1948	61.2
1973	61.6
1957	61.6
1951	61.6
1980	61.9
1962	62
1960	62.2
1959	62.3

Wettest
Year	Precipitation, in
1975	4.59
1968	4.58
1977	3.59
2015	3.28
2004	3.00
2008	2.87
1976	2.71
2001	2.32
1965	2.18
1991	2.17
More years share the last value

Driest
Year	Precipitation, in
2012	trace
1974	0.01
2017	0.02
2006	0.02
1967	0.02
2002	0.04
2022	0.05
1986	0.10
2021	0.11
2011	0.13
More years share the last value

The hottest, coldest and wettest days

Hottest day: 88°F; 6 August 2026
Coldest night: 53°F; 3 August 2026
Wettest day: 0.56 in; 29 August 2026

Every month, season and year

Months

Seasons

Years

Seattle Tacoma, WA the day's answers

All-time records

Every answer in words

August 2026 brought 0.56 in of precipitation in Seattle Tacoma, WA, the driest August since 2023, 36th driest of 82.
The hottest day of August 2026 in Seattle Tacoma, WA: 88°F on Thursday 6 August 2026.
The coldest night of August 2026 in Seattle Tacoma, WA: a low of 53°F on Monday 3 August 2026.
The wettest day of August 2026 in Seattle Tacoma, WA: 0.56 in on Saturday 29 August 2026.