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Point Forecast: Seatac WA  47.44N 122.3W (Elev. 358 ft)	Last Update: 6:17 pm PDT Oct 18, 2021

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Weather Elements Weather/Precipitation Fire Weather Temperature (°F) Dewpoint (°F) Wind Chill (°F) Surface Wind  ktmphkm/hm/s Sky Cover (%) Precipitation Potential (%) Relative Humidity (%) Rain Thunder Snow Freezing Rain Sleet Fog Mixing Height  x100ftx100m Haines Index Lightning Activity Level Trans. Wind  ktmphkm/hm/s

48-Hour Period Starting: 6pm Mon, Oct 18 20217pm Mon, Oct 18 20218pm Mon, Oct 18 20219pm Mon, Oct 18 202110pm Mon, Oct 18 202111pm Mon, Oct 18 202112am Tue, Oct 19 20211am Tue, Oct 19 20212am Tue, Oct 19 20213am Tue, Oct 19 20214am Tue, Oct 19 20215am Tue, Oct 19 20216am Tue, Oct 19 20217am Tue, Oct 19 20218am Tue, Oct 19 20219am Tue, Oct 19 202110am Tue, Oct 19 202111am Tue, Oct 19 202112pm Tue, Oct 19 20211pm Tue, Oct 19 20212pm Tue, Oct 19 20213pm Tue, Oct 19 20214pm Tue, Oct 19 20215pm Tue, Oct 19 20216pm Tue, Oct 19 20217pm Tue, Oct 19 20218pm Tue, Oct 19 20219pm Tue, Oct 19 202110pm Tue, Oct 19 202111pm Tue, Oct 19 202112am Wed, Oct 20 20211am Wed, Oct 20 20212am Wed, Oct 20 20213am Wed, Oct 20 20214am Wed, Oct 20 20215am Wed, Oct 20 20216am Wed, Oct 20 20217am Wed, Oct 20 20218am Wed, Oct 20 20219am Wed, Oct 20 202110am Wed, Oct 20 202111am Wed, Oct 20 202112pm Wed, Oct 20 20211pm Wed, Oct 20 20212pm Wed, Oct 20 20213pm Wed, Oct 20 20214pm Wed, Oct 20 20215pm Wed, Oct 20 20216pm Wed, Oct 20 20217pm Wed, Oct 20 20218pm Wed, Oct 20 20219pm Wed, Oct 20 202110pm Wed, Oct 20 202111pm Wed, Oct 20 202112am Thu, Oct 21 20211am Thu, Oct 21 20212am Thu, Oct 21 20213am Thu, Oct 21 20214am Thu, Oct 21 20215am Thu, Oct 21 20216am Thu, Oct 21 20217am Thu, Oct 21 20218am Thu, Oct 21 20219am Thu, Oct 21 202110am Thu, Oct 21 202111am Thu, Oct 21 202112pm Thu, Oct 21 20211pm Thu, Oct 21 20212pm Thu, Oct 21 20213pm Thu, Oct 21 20214pm Thu, Oct 21 20215pm Thu, Oct 21 20216pm Thu, Oct 21 20217pm Thu, Oct 21 20218pm Thu, Oct 21 20219pm Thu, Oct 21 202110pm Thu, Oct 21 202111pm Thu, Oct 21 202112am Fri, Oct 22 20211am Fri, Oct 22 20212am Fri, Oct 22 20213am Fri, Oct 22 20214am Fri, Oct 22 20215am Fri, Oct 22 20216am Fri, Oct 22 20217am Fri, Oct 22 20218am Fri, Oct 22 20219am Fri, Oct 22 202110am Fri, Oct 22 202111am Fri, Oct 22 202112pm Fri, Oct 22 20211pm Fri, Oct 22 20212pm Fri, Oct 22 20213pm Fri, Oct 22 20214pm Fri, Oct 22 20215pm Fri, Oct 22 20216pm Fri, Oct 22 20217pm Fri, Oct 22 20218pm Fri, Oct 22 20219pm Fri, Oct 22 202110pm Fri, Oct 22 202111pm Fri, Oct 22 202112am Sat, Oct 23 20211am Sat, Oct 23 20212am Sat, Oct 23 20213am Sat, Oct 23 20214am Sat, Oct 23 20215am Sat, Oct 23 2021

Date	10/18						10/19
Hour (PDT)	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17
Temperature (°F)	53	52	51	50	49	48	47	46	45	45	44	45	44	43	43	46	48	51	53	56	59	59	60	60
Dewpoint (°F)	45	44	45	44	43	43	44	43	43	42	42	43	42	41	41	42	43	43	45	45	46	44	44	44
Wind Chill (°F)				49	48	47	46	45	44	44	42	45	44	43	43	46	48
Surface Wind (mph)	2	2	1	3	3	3	3	2	2	3	3	3	5	3	3	2	1	1	3	3	3	5	3	3
Wind Dir	WSW	WSW	N	ENE	E	SE	SE	SSW	SE	SE	SE	SE	SE	SSE	S	SE	S	SSW	WNW	WNW	NW	WNW	W	NNW
Gust
Sky Cover (%)	24	26	23	30	39	26	29	27	28	41	39	36	44	56	47	43	52	54	44	26	26	29	34	26
Precipitation Potential (%)	0	0	0	1	1	1	1	1	2	1	1	2	2	2	2	2	2	2	2	2	2	2	2	2
Relative Humidity (%)	73	75	79	80	81	83	88	90	92	90	92	91	93	93	93	87	83	75	73	66	61	58	56	56
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date							10/20
Hour (PDT)	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17
Temperature (°F)	58	56	55	54	54	55	54	53	52	52	52	52	51	50	50	51	52	53	54	56	57	58	58	57
Dewpoint (°F)	45	44	43	43	43	42	42	42	43	43	44	44	45	45	46	47	47	48	48	48	48	48	48	48
Wind Chill (°F)														48	45
Surface Wind (mph)	5	5	8	6	6	5	5	5	7	7	7	3	3	3	16	16	16	17	17	17	11	11	11	10
Wind Dir	N	N	NNE	NE	ENE	SE	SE	SE	S	S	S	SW	SW	SW	S	S	S	SSW	SSW	SSW	SSW	SSW	SSW	S
Gust															24	24	24	26	26	26
Sky Cover (%)	43	54	51	61	66	68	68	68	84	84	84	93	93	93	86	86	86	91	91	91	91	91	91	73
Precipitation Potential (%)	2	2	2	2	2	30	30	30	30	30	30	78	78	78	78	78	78	86	86	86	86	86	86	45
Relative Humidity (%)	61	64	65	67	65	62	63	67	70	72	73	75	79	83	86	86	85	82	78	74	71	70	70	71
Rain	--	--	--	--	--	Chc	Chc	Chc	Chc	Chc	Chc	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Chc
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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