Weather archive in Seattle / Tacoma (airport)

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Date / Local time		T	Po	P	Pa	U	DD	Ff	ff10	ff3	N	WW	W1	W2	Tn	Tx	Cl	Nh	H	Cm	Ch	VV	Td	RRR	tR	E	Tg	E'	sss
2026 October 21, Wednesday	20	13.9 57	747.3 29.42 996.32 996.32	759.8 29.91 1012.98 1012.98	0.8 0.03 1.07 1.07	62	Wind blowing from the north	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			50%. 5/10. 4 oktas								2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	6.7 44
	17	17.2 63	746.5 29.39 995.25 995.25	759.2 29.89 1012.18 1012.18	-1.2 -0.05 -1.6 -1.6	54	Wind blowing from the west-northwest	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas				6.7 44	17.8 64			2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	7.8 46
	14	16.1 61	747.7 29.44 996.85 996.85	760.4 29.94 1013.78 1013.78	-1.5 -0.06 -2 -2	60	Calm, no wind	Calm			50%. 5/10. 4 oktas								300-600 984-1968			16.0 9.9	8.3 47
	11	10.0 50	749.2 29.5 998.85 998.85	762.0 30 1015.92 1015.92	0.4 0.02 0.53 0.53	89	Wind blowing from the north	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas	Fog or ice fog in patches.			6.1 43	11.1 52			Less than 50 Less than 50			0.8 0.5	8.3 47
	08	6.1 43	748.8 29.48 998.32 998.32	761.4 29.98 1015.12 1015.12	-0.4 -0.02 -0.53 -0.53	97	Calm, no wind	Calm			20–30%. 2/10–3/10. 2 oktas	Mist.							50-100 164-328			8.0 5.0	5.6 42
	05	7.8 46	749.2 29.5 998.85 998.85	761.8 29.99 1015.65 1015.65	-0.8 -0.03 -1.07 -1.07	89	Calm, no wind	Calm			50%. 5/10. 4 oktas	Mist.			6.7 44	16.7 62			50-100 164-328			8.0 5.0	6.1 43
	02	9.4 49	750.0 29.53 999.92 999.92	762.6 30.02 1016.72 1016.72	-0.3 -0.01 -0.4 -0.4	86	Calm, no wind	Calm			no clouds no clouds no clouds											16.0 9.9	7.2 45
October 20, Tuesday	23	11.1 52	750.3 29.54 1000.32 1000.32	762.9 30.04 1017.12 1017.12	-0.2 -0.01 -0.27 -0.27	77	Wind blowing from the north-northeast	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			no clouds no clouds no clouds				7.8 46	16.1 61						16.0 9.9	7.2 45
October 20, Tuesday	20	10.6 51	750.5 29.55 1000.58 1000.58	763.2 30.05 1017.52 1017.52	0.0 0 0 0	80	Wind blowing from the north	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			no clouds no clouds no clouds											16.0 9.9	7.2 45