Seattle Tacoma, WA: records

4 October 2026: The hottest day on record in Seattle Tacoma, WA: 108°F on Monday 28 June 2021.

The record begins: 1945

All-time records

Hottest day: 108°F; 28 June 2021
Coldest night: 0°F; 31 January 1950
Wettest day: 5.02 in; 20 October 2003
Warmest night: 73°F; 27 June 2021
Coldest day: 16°F; 14 January 1950

Daily records by decade

New daily records set in Seattle Tacoma, WA by decade since the 1970s: the most record highs, 86, came in the 1980s; the most record lows, 29, in the 1980s.

Record highs
Record lows

Every decade as a table

Decade	Record highs	Record lows	Years in the record
1940s	0	0	5
1950s	0	0	10
1960s	0	0	10
1970s	80	8	10
1980s	86	29	10
1990s	76	12	10
2000s	49	10	10
2010s	81	8	10
2020s	44	7	7

Records by month

Month	Highest	Lowest	Wettest day
January	64°F 15 January 2018, 20 January 1981	0°F 31 January 1950	2.98 in 18 January 1986
February	70°F 27 February 1968	1°F 1 February 1950	3.06 in 8 February 1996
March	79°F 20 March 2019, 19 March 2019	11°F 4 March 1955	2.70 in 5 March 1972
April	89°F 18 April 2016	29°F 5 April 1975, 1 April 1953, 8 April 1952 and 2 more	2.64 in 4 April 1991
May	93°F 21 May 1963	28°F 1 May 1954	1.83 in 29 May 1969
June	108°F 28 June 2021	38°F 12 June 1952	1.75 in 1 June 1968
July	103°F 29 July 2009	43°F 2 July 1954, 24 July 1953, 4 July 1949	0.85 in 13 July 1981
August	99°F 9 August 1981, 9 August 1960	44°F 14 August 1955, 13 August 1955, 27 August 1952 and 3 more	1.63 in 18 August 1975
September	98°F 2 September 1988	35°F 27 September 1972	1.71 in 28 September 2013
October	89°F 1 October 1987	28°F 19 October 1949	5.02 in 20 October 2003
November	74°F 3 November 2010, 4 November 1949	6°F 15 November 1955	3.41 in 20 November 1959
December	66°F 10 December 2014	6°F 30 December 1968	3.77 in 3 December 2007

Streaks, months and years

Longest heat streak	6 days	26 July to 31 July 2022	A high of 90°F or above
Longest cold streak	10 days	21 January to 30 January 1969	A high of 32°F or below
Wettest month	15.63 in	November 2006
Driest month	a trace	July 2021	and 7 more
Wettest year	55.14 in	1950
Driest year	23.78 in	1952

Every record in words

The coldest night on record in Seattle Tacoma, WA: a low of 0°F on Tuesday 31 January 1950.
The wettest day on record in Seattle Tacoma, WA: 5.02 in on Monday 20 October 2003.
The warmest night on record in Seattle Tacoma, WA: a low of 73°F on Sunday 27 June 2021.
The coldest day on record in Seattle Tacoma, WA: a high of 16°F on Saturday 14 January 1950.
The longest run of days with a high of 90°F or above in Seattle Tacoma, WA: 6 days, from Tuesday 26 July to Sunday 31 July 2022.
The longest run of days with a high of 32°F or below in Seattle Tacoma, WA: 10 days, from Tuesday 21 January to Thursday 30 January 1969.
The wettest month on record in Seattle Tacoma, WA: November 2006, with 15.63 in of precipitation.
The driest month on record in Seattle Tacoma, WA: July 2021, with a trace of precipitation (shared with 7 other months).
The wettest year on record in Seattle Tacoma, WA: 1950, with 55.14 in of precipitation.
The driest year on record in Seattle Tacoma, WA: 1952, with 23.78 in of precipitation.

Seattle Tacoma, WA the day's answers