SeaTac, WA Weather History | Weather Underground

Summary

Temperature (°F)
Temperature (°F)	Max	Average	Min
Max Temperature	92	79.13	69
Avg Temperature	77.21	66.57	60.21
Min Temperature	64	56.87	53

Dew Point (°F)
Dew Point (°F)	Max	Average	Min
Dew Point	60	53.42	42

Precipitation (in)
Precipitation (in)	Max	Average	Min	Sum
Precipitation	0.00	0.00	0.00	0.00
Snowdepth	0.00	0.00	0.00	0.00

Wind (mph)
Wind (mph)	Max	Average	Min
Wind	17	6.9	0
Gust Wind	24	0.09	0

Sea Level Pressure (in)
Sea Level Pressure (in)	Max	Average	Min
Sea Level Pressure	29.82	29.6	29.44

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)
7/31/2021	77	70.0	64	57	54.2	50	75	58.0	39	14	6.0	0	29.6	29.6	29.5	0.00
7/30/2021	92	77.2	61	57	52.9	50	75	45.7	25	14	8.3	0	29.6	29.5	29.5	0.00
7/29/2021	91	75.6	59	57	53.0	50	81	48.6	25	15	7.9	0	29.6	29.6	29.5	0.00
7/28/2021	88	72.8	58	53	49.8	42	78	47.8	21	15	6.4	0	29.7	29.6	29.6	0.00
7/27/2021	83	71.8	63	58	54.8	48	78	56.4	38	12	7.1	0	29.6	29.6	29.5	0.00
7/26/2021	83	70.6	60	56	53.3	50	78	56.4	34	17	9.8	5	29.6	29.5	29.5	0.00
7/25/2021	85	71.4	60	56	54.8	53	83	57.8	34	17	8.6	0	29.6	29.6	29.5	0.00
7/24/2021	84	72.0	60	57	55.0	52	83	57.0	34	17	9.1	3	29.7	29.7	29.6	0.00
7/23/2021	80	66.1	53	55	50.1	46	87	59.4	31	13	6.4	0	29.8	29.8	29.7	0.00
7/22/2021	77	65.1	53	51	47.5	42	93	55.6	30	13	6.4	0	29.7	29.7	29.7	0.00
7/21/2021	72	61.9	56	52	49.9	48	81	66.3	43	9	5.2	0	29.7	29.7	29.6	0.00
7/20/2021	72	62.3	57	56	53.9	50	96	75.6	51	9	7.1	3	29.7	29.7	29.6	0.00
7/19/2021	82	68.2	55	55	51.0	49	80	56.5	33	10	5.7	0	29.7	29.6	29.6	0.00
7/18/2021	80	67.6	57	52	50.6	48	72	56.0	39	10	6.4	0	29.7	29.7	29.6	0.00
7/17/2021	77	64.2	55	54	52.5	50	90	67.6	45	12	7.0	0	29.6	29.6	29.6	0.00
7/16/2021	71	60.9	56	54	52.4	52	90	74.6	57	12	8.0	5	29.6	29.6	29.6	0.00
7/15/2021	69	60.4	54	53	51.7	51	93	74.3	54	12	8.3	5	29.6	29.6	29.6	0.00
7/14/2021	74	60.2	54	57	54.0	52	97	81.4	55	10	6.7	3	29.6	29.6	29.5	0.00
7/13/2021	81	63.8	54	57	54.6	53	97	74.9	44	9	6.8	3	29.6	29.6	29.5	0.00
7/12/2021	81	68.4	55	57	54.4	52	93	63.4	39	12	6.1	0	29.6	29.6	29.6	0.00
7/11/2021	81	67.1	55	55	53.7	51	96	65.5	36	12	6.7	0	29.7	29.7	29.6	0.00
7/10/2021	79	65.0	57	58	55.5	53	93	73.3	50	10	5.4	0	29.7	29.7	29.6	0.00
7/9/2021	82	67.1	54	56	54.2	53	93	66.5	40	12	7.0	3	29.7	29.6	29.6	0.00
7/8/2021	73	61.3	53	54	50.1	48	86	68.4	43	9	5.4	0	29.6	29.6	29.6	0.00
7/7/2021	71	62.3	56	56	52.9	50	89	72.4	53	15	10.8	5	29.6	29.6	29.5	0.00
7/6/2021	82	62.5	54	59	55.6	53	100	81.8	40	10	4.6	0	29.6	29.6	29.4	0.00
7/5/2021	74	62.6	56	57	54.8	53	93	76.4	57	10	7.0	3	29.6	29.6	29.5	0.00
7/4/2021	77	65.0	57	59	56.3	55	93	75.3	50	10	7.8	5	29.6	29.5	29.5	0.00
7/3/2021	82	68.5	57	59	57.4	56	97	70.6	42	8	4.6	0	29.6	29.5	29.5	0.00
7/2/2021	79	65.7	58	59	57.6	56	97	77.2	50	9	6.4	0	29.6	29.6	29.5	0.00
7/1/2021	74	66.0	62	60	57.6	56	93	74.9	55	8	5.1	0	29.5	29.5	29.5	0.00

Charts

Temperature

Precipitation

Wind