SeaTac, WA Weather History | Weather Underground

Summary

Temperature (°F)
Temperature (°F)	Max	Average	Min
Max Temperature	108	76.57	55
Avg Temperature	91.71	65.61	50
Min Temperature	73	55.53	44

Dew Point (°F)
Dew Point (°F)	Max	Average	Min
Dew Point	66	52.12	35

Precipitation (in)
Precipitation (in)	Max	Average	Min	Sum
Precipitation	0.60	0.06	0.00	1.91
Snowdepth	0.00	0.00	0.00	0.00

Wind (mph)
Wind (mph)	Max	Average	Min
Wind	22	7.82	0
Gust Wind	35	0.74	0

Sea Level Pressure (in)
Sea Level Pressure (in)	Max	Average	Min
Sea Level Pressure	29.9	29.52	29.19

Daily Observations

Date	Temperature (°F)			Dew Point (°F)			Humidity (%)			Wind Speed (mph)			Pressure (in)			Precipitation (in)
Date	Max	Avg	Min	Max	Avg	Min	Max	Avg	Min	Max	Avg	Min	Max	Avg	Min	Precipitation (in)
6/30/2021	74	65.8	60	59	57.4	56	90	74.8	59	14	9.5	7	29.5	29.4	29.4	0.00
6/29/2021	85	70.5	62	61	59.0	56	90	69.5	41	15	10.2	6	29.4	29.3	29.3	0.00
6/28/2021	108	91.7	66	65	62.9	61	73	41.3	23	15	9.2	0	29.3	29.3	29.2	0.00
6/27/2021	104	88.7	73	65	63.2	60	67	44.3	29	16	8.3	0	29.5	29.4	29.3	0.00
6/26/2021	102	85.5	69	66	62.3	59	78	48.7	25	12	5.6	0	29.6	29.5	29.4	0.00
6/25/2021	87	77.1	64	61	57.8	55	73	52.6	38	13	7.5	0	29.6	29.6	29.5	0.00
6/24/2021	83	68.2	55	57	55.2	53	93	66.1	39	13	6.6	0	29.6	29.6	29.5	0.00
6/23/2021	77	62.8	55	56	53.3	51	93	73.7	42	12	6.8	0	29.5	29.5	29.4	0.00
6/22/2021	76	66.5	57	59	56.6	54	90	71.5	56	12	8.0	0	29.4	29.4	29.4	0.00
6/21/2021	89	75.6	61	56	53.4	51	70	47.5	29	9	6.8	3	29.5	29.4	29.3	0.00
6/20/2021	81	70.0	58	57	54.2	52	83	59.0	39	13	10.7	7	29.6	29.5	29.4	0.00
6/19/2021	76	64.6	54	54	50.0	47	80	60.8	41	10	6.9	3	29.7	29.6	29.5	0.00
6/18/2021	74	64.1	56	51	47.8	45	65	55.9	44	15	10.2	6	29.7	29.6	29.6	0.00
6/17/2021	79	65.9	53	50	45.3	35	83	51.0	23	15	7.3	0	29.7	29.7	29.6	0.00
6/16/2021	72	62.1	52	52	49.2	44	89	64.4	44	14	7.7	0	29.9	29.8	29.7	0.00
6/15/2021	69	59.8	53	52	50.2	48	90	71.4	54	17	9.3	5	29.9	29.7	29.6	0.04
6/14/2021	65	59.2	55	59	56.4	52	100	90.5	75	9	5.1	0	29.6	29.5	29.5	0.60
6/13/2021	64	60.2	57	60	58.4	55	100	94.0	84	14	6.0	0	29.5	29.4	29.4	0.34
6/12/2021	73	60.0	50	56	51.6	48	100	77.5	44	9	4.5	0	29.6	29.5	29.4	0.46
6/11/2021	59	55.5	52	55	50.0	43	100	82.7	62	12	5.0	0	29.6	29.5	29.5	0.00
6/10/2021	65	56.8	48	46	42.8	39	89	61.5	40	14	7.7	0	29.7	29.7	29.6	0.00
6/9/2021	68	56.6	46	45	42.0	36	86	60.8	34	12	7.1	0	29.7	29.6	29.6	0.01
6/8/2021	69	56.4	49	50	43.3	36	83	64.3	33	13	6.7	3	29.6	29.5	29.5	0.00
6/7/2021	63	51.2	44	45	42.2	37	96	74.4	41	15	8.0	0	29.5	29.5	29.4	0.46
6/6/2021	55	50.0	44	48	44.8	42	93	82.8	74	16	10.4	6	29.6	29.5	29.4	0.00
6/5/2021	66	56.9	50	49	43.8	38	89	63.1	40	22	15.2	6	29.6	29.5	29.5	0.00
6/4/2021	68	57.7	51	49	46.6	41	86	68.4	46	14	7.8	0	29.7	29.6	29.5	0.00
6/3/2021	75	63.5	56	58	55.0	50	97	75.4	53	10	6.4	0	29.5	29.5	29.5	0.00
6/2/2021	85	72.0	58	58	55.3	53	80	57.1	40	10	5.8	0	29.5	29.5	29.4	0.00
6/1/2021	86	73.2	58	56	53.7	51	72	52.2	35	13	8.3	3	29.7	29.6	29.4	0.00

Charts

Temperature

Precipitation

Wind