Seattle Weather in 1990

Historical record of Seattle, Washington weather for the year 1990 based on NOAA data.

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1990 Seattle Weather Extremes
Highest temperature	94 °F	August 11
Lowest temperature	12 °F	December 29
Highest daily low	66 °F	July 12
Lowest daily high	20 °F	December 21
Most daily precipitation	3.0 inches	November 9
Most daily snow	6.3 inches	February 17
Total annual precipitation	44.8 inches	-
Total annual snow	13.6 inches	-

What was the hottest temperature in Seattle in 1990?

The highest temperature recorded in Seattle, Washington in 1990 was 94 °F which happened 2 different times.

Highest Temperatures: All-Time By Year

Highest Temperatures in Seattle in 1990

Rank	Temperature	Date
1	94 °F	Aug 11
1	94 °F	Jul 21
3	92 °F	Sep 22
3	92 °F	Aug 4
5	91 °F	Jul 29
6	90 °F	Aug 10
6	90 °F	Jul 20
8	89 °F	Aug 12
8	89 °F	Jul 11
10	88 °F	Jul 30
10	88 °F	Jul 15

What was the coldest temperature in Seattle in 1990?

The lowest temperature recorded in Seattle, Washington in 1990 was 12 °F which happened 3 different times.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Seattle in 1990

Rank	Temperature	Date
1	12 °F	December 29
1	12 °F	December 28
1	12 °F	December 21
4	14 °F	December 20
5	15 °F	December 22
6	17 °F	December 19
7	18 °F	December 23
8	20 °F	December 30
8	20 °F	February 18
10	21 °F	December 18

January 1990 Seattle Weather

Day	High (°F)	Low (°F)	Precip. (inches)
January 1	46	33	0.02
January 2	44	33	0.00
January 3	45	40	0.15
January 4	50	44	0.25
January 5	54	45	0.85
January 6	53	43	0.92
January 7	53	43	0.56
January 8	48	43	0.40
January 9	53	42	2.83
January 10	44	36	0.00
January 11	49	36	0.01
January 12	50	39	0.00
January 13	51	43	0.07
January 14	48	44	0.05
January 15	47	41	0.05
January 16	47	40	0.00
January 17	48	35	0.00
January 18	47	26	0.00
January 19	48	28	0.00
January 20	49	32	0.00
January 21	46	40	0.12
January 22	46	40	0.45
January 23	48	37	0.00
January 24	47	37	0.00
January 25	46	37	0.38
January 26	40	32	0.02
January 27	48	38	0.26
January 28	45	40	0.70
January 29	42	38	0.36
January 30	42	33	0.26
January 31	41	32	0.70

February 1990 Seattle Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	45	37	0.08	0.0
February 2	49	40	0.15	0.0
February 3	51	37	0.48	0.0
February 4	44	34	0.06	0.0
February 5	43	35	0.24	0.0
February 6	40	33	0.11	0.0
February 7	39	32	0.23	0.0
February 8	43	35	0.13	0.0
February 9	49	43	0.06	0.0
February 10	51	48	0.23	0.0
February 11	50	32	0.13	0.0
February 12	38	29	0.00	0.0
February 13	36	25	0.00	0.0
February 14	34	22	0.02	0.0
February 15	37	33	0.25	0.0
February 16	38	30	0.34	3.5
February 17	32	23	0.53	6.3
February 18	38	20	0.00	0.0
February 19	43	22	0.09	0.0
February 20	46	34	0.56	0.0
February 21	47	41	0.00	0.0
February 22	51	38	0.00	0.0
February 23	52	33	0.01	0.0
February 24	53	45	0.02	0.0
February 25	52	39	0.00	0.0
February 26	54	37	0.00	0.0
February 27	65	37	0.00	0.0
February 28	65	37	0.00	0.0

March 1990 Seattle Weather

Day	High (°F)	Low (°F)	Precip. (inches)
March 1	62	32	0.00
March 2	64	35	0.00
March 3	53	44	0.04
March 4	57	43	0.01
March 5	55	45	0.01
March 6	48	43	0.19
March 7	48	37	0.39
March 8	40	34	0.28
March 9	47	38	0.45
March 10	48	34	0.02
March 11	49	32	0.00
March 12	50	33	0.00
March 13	52	32	0.32
March 14	53	39	0.14
March 15	59	36	0.00
March 16	60	41	0.00
March 17	57	48	0.37
March 18	59	45	0.00
March 19	59	45	0.07
March 20	58	45	0.03
March 21	60	40	0.00
March 22	50	39	0.22
March 23	49	38	0.04
March 24	56	38	0.00
March 25	61	41	0.00
March 26	61	34	0.00
March 27	62	36	0.00
March 28	67	37	0.00
March 29	60	39	0.00
March 30	49	41	0.00
March 31	58	45	0.00

April 1990 Seattle Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	60	42	0.00
April 2	59	47	0.00
April 3	63	40	0.00
April 4	65	43	0.00
April 5	66	40	0.00
April 6	65	40	0.00
April 7	56	41	0.00
April 8	55	40	0.00
April 9	57	41	0.00
April 10	70	41	0.00
April 11	62	49	0.17
April 12	59	44	0.00
April 13	54	47	0.36
April 14	62	51	0.05
April 15	73	47	0.00
April 16	77	50	0.00
April 17	56	47	0.15
April 18	59	46	0.00
April 19	58	48	0.03
April 20	57	49	0.13
April 21	60	47	0.00
April 22	57	46	0.48
April 23	53	45	0.34
April 24	58	44	0.01
April 25	56	44	0.28
April 26	50	43	0.00
April 27	47	41	0.29
April 28	59	41	0.18
April 29	59	44	0.07
April 30	65	40	0.00

May 1990 Seattle Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	61	44	0.00
May 2	62	50	0.11
May 3	70	50	0.00
May 4	77	48	0.00
May 5	75	46	0.00
May 6	57	40	0.38
May 7	57	40	0.00
May 8	63	39	0.00
May 9	70	45	0.00
May 10	59	48	0.00
May 11	61	48	0.00
May 12	61	48	0.00
May 13	57	44	0.05
May 14	57	43	0.02
May 15	57	43	0.00
May 16	63	46	0.00
May 17	61	46	0.00
May 18	60	46	0.00
May 19	64	47	0.02
May 20	60	48	0.18
May 21	67	47	0.08
May 22	62	49	0.00
May 23	55	47	0.00
May 24	61	43	0.00
May 25	66	45	0.00
May 26	67	45	0.00
May 27	64	52	0.03
May 28	69	52	0.00
May 29	64	49	0.00
May 30	70	49	0.96
May 31	56	48	0.15

June 1990 Seattle Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	57	48	0.06
June 2	67	50	0.08
June 3	62	48	1.08
June 4	63	46	0.06
June 5	66	49	0.00
June 6	62	52	0.57
June 7	65	49	0.00
June 8	67	51	0.14
June 9	59	48	0.70
June 10	58	46	0.07
June 11	64	50	0.00
June 12	61	50	0.23
June 13	67	50	0.00
June 14	76	52	0.00
June 15	70	51	0.00
June 16	64	50	0.01
June 17	72	50	0.00
June 18	73	51	0.00
June 19	72	54	0.00
June 20	75	58	0.00
June 21	84	57	0.00
June 22	73	55	0.02
June 23	68	53	0.00
June 24	72	50	0.00
June 25	68	50	0.00
June 26	71	50	0.00
June 27	73	51	0.00
June 28	73	56	0.02
June 29	79	55	0.00
June 30	72	57	0.01

July 1990 Seattle Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	70	53	0.00
July 2	63	51	0.39
July 3	73	50	0.00
July 4	79	57	0.00
July 5	77	57	0.17
July 6	73	55	0.01
July 7	76	56	0.00
July 8	80	57	0.00
July 9	81	57	0.00
July 10	85	59	0.00
July 11	89	62	0.00
July 12	87	66	0.00
July 13	83	55	0.00
July 14	84	57	0.00
July 15	88	57	0.00
July 16	78	54	0.00
July 17	79	51	0.00
July 18	82	56	0.00
July 19	85	60	0.00
July 20	90	59	0.00
July 21	94	61	0.00
July 22	87	58	0.00
July 23	70	57	0.00
July 24	67	55	0.00
July 25	62	56	0.01
July 26	66	58	0.00
July 27	75	55	0.00
July 28	82	55	0.00
July 29	91	60	0.00
July 30	88	58	0.00
July 31	71	58	0.00

August 1990 Seattle Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	71	55	0.00
August 2	79	51	0.00
August 3	83	60	0.00
August 4	92	61	0.00
August 5	85	60	0.00
August 6	77	55	0.00
August 7	83	56	0.00
August 8	83	58	0.00
August 9	86	55	0.00
August 10	90	60	0.00
August 11	94	63	0.00
August 12	89	60	0.00
August 13	77	57	0.00
August 14	81	55	0.00
August 15	75	56	0.00
August 16	77	60	0.00
August 17	77	58	0.01
August 18	73	59	0.08
August 19	72	55	0.03
August 20	77	55	0.00
August 21	65	60	0.12
August 22	73	55	0.00
August 23	70	50	0.00
August 24	70	54	0.00
August 25	72	52	0.00
August 26	77	50	0.00
August 27	77	50	0.00
August 28	85	55	0.00
August 29	65	59	0.27
August 30	69	59	0.12
August 31	74	58	0.08

September 1990 Seattle Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	70	55	0.01
September 2	73	57	0.00
September 3	74	55	0.00
September 4	81	56	0.00
September 5	81	53	0.00
September 6	78	54	0.00
September 7	71	55	0.01
September 8	69	60	0.00
September 9	72	58	0.00
September 10	77	52	0.00
September 11	64	51	0.00
September 12	66	55	0.00
September 13	74	52	0.00
September 14	77	54	0.00
September 15	64	53	0.00
September 16	73	55	0.03
September 17	73	54	0.00
September 18	75	54	0.00
September 19	72	53	0.00
September 20	73	52	0.00
September 21	81	55	0.00
September 22	92	57	0.00
September 23	70	53	0.00
September 24	62	52	0.00
September 25	70	55	0.00
September 26	67	53	0.00
September 27	73	56	0.00
September 28	75	50	0.00
September 29	69	51	0.00
September 30	70	46	0.00

October 1990 Seattle Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	67	47	0.02
October 2	60	45	0.16
October 3	61	48	0.13
October 4	64	48	0.64
October 5	58	47	0.00
October 6	57	40	0.14
October 7	59	38	0.00
October 8	63	42	0.00
October 9	59	44	0.05
October 10	60	44	0.00
October 11	54	38	0.28
October 12	55	48	0.03
October 13	60	47	0.00
October 14	51	46	0.77
October 15	52	47	0.39
October 16	56	44	0.05
October 17	53	43	0.29
October 18	57	45	0.15
October 19	55	40	0.00
October 20	55	40	0.09
October 21	54	46	0.69
October 22	55	41	0.00
October 23	59	42	0.00
October 24	65	45	0.00
October 25	64	49	0.14
October 26	63	47	0.00
October 27	66	45	0.19
October 28	58	43	0.14
October 29	58	41	0.24
October 30	52	48	0.16
October 31	52	42	1.04

November 1990 Seattle Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	53	38	0.00
November 2	49	36	0.01
November 3	53	43	0.12
November 4	57	45	0.02
November 5	51	41	0.00
November 6	50	38	0.00
November 7	53	44	0.15
November 8	55	48	0.21
November 9	56	53	2.95
November 10	60	54	0.35
November 11	65	51	0.00
November 12	56	44	0.62
November 13	54	41	0.71
November 14	51	40	0.12
November 15	53	43	0.00
November 16	54	37	0.00
November 17	50	37	0.34
November 18	43	30	0.00
November 19	45	36	0.02
November 20	44	39	0.00
November 21	53	40	0.42
November 22	53	49	0.28
November 23	54	51	0.80
November 24	55	47	2.93
November 25	47	37	0.00
November 26	45	33	0.10
November 27	48	37	0.00
November 28	49	38	0.00
November 29	51	38	0.28
November 30	43	33	0.28

December 1990 Seattle Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	45	36	0.33	0.0
December 2	45	35	0.05	0.0
December 3	53	43	0.16	0.0
December 4	52	41	0.82	0.0
December 5	48	40	0.00	0.0
December 6	50	35	0.00	0.0
December 7	45	32	0.00	0.0
December 8	49	43	0.54	0.0
December 9	50	45	0.24	0.0
December 10	47	40	0.21	0.0
December 11	43	38	0.09	0.0
December 12	41	36	0.01	0.0
December 13	43	34	0.00	0.0
December 14	47	37	0.02	0.0
December 15	45	34	0.22	0.0
December 16	41	34	0.11	0.0
December 17	49	39	0.00	0.0
December 18	41	21	0.45	2.5
December 19	24	17	0.00	0.0
December 20	21	14	0.00	0.0
December 21	20	12	0.00	0.0
December 22	26	15	0.00	0.0
December 23	30	18	0.00	0.0
December 24	31	24	0.00	0.0
December 25	36	29	0.13	0.8
December 26	40	34	0.00	0.0
December 27	43	33	0.15	0.3
December 28	33	12	0.05	0.1
December 29	22	12	0.00	0.0
December 30	39	20	0.03	0.1
December 31	44	39	0.02	0.0

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Weather Station Details

Years	Station	Coordinates
1948–2024	Seattle Tacoma International Airport	location
1894–1947	University of Washington	location