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 September 4, Friday	20	17.2 63	749.5 29.51 999.25 999.25	762.1 30 1016.05 1016.05	1.0 0.04 1.33 1.33	58		Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas								1000-1500 3281-4921			16.0 9.9	8.9 48
	17	20.6 69	748.5 29.47 997.92 997.92	761.1 29.96 1014.72 1014.72	0.5 0.02 0.67 0.67	42		Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			50%. 5/10. 4 oktas				11.7 53	21.1 70			1000-1500 3281-4921			16.0 9.9	7.2 45
	14	19.4 67	748.0 29.45 997.25 997.25	760.7 29.95 1014.18 1014.18	-0.3 -0.01 -0.4 -0.4	57	Wind blowing from the west-southwest	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			50%. 5/10. 4 oktas								1000-1500 3281-4921			16.0 9.9	10.6 51
	11	15.6 60	748.3 29.46 997.65 997.65	760.9 29.96 1014.45 1014.45	0.6 0.02 0.8 0.8	78	Calm, no wind	Calm			70 – 80%. 7/10 – 8/10. 6 oktas				11.7 53	15.6 60			300-600 984-1968			16.0 9.9	11.7 53
	08	12.8 55	747.7 29.44 996.85 996.85	760.3 29.93 1013.65 1013.65	1.2 0.05 1.6 1.6	93	Calm, no wind	Calm			70 – 80%. 7/10 – 8/10. 6 oktas								300-600 984-1968			16.0 9.9	11.7 53
	05	11.7 53	746.5 29.39 995.25 995.25	759.1 29.89 1012.05 1012.05	0.3 0.01 0.4 0.4	96	Calm, no wind	Calm			70 – 80%. 7/10 – 8/10. 6 oktas				11.7 53	20.0 68			1500-2000 4921-6562			16.0 9.9	11.1 52	0.3 0.01	6
	02	12.8 55	746.2 29.38 994.85 994.85	758.8 29.87 1011.65 1011.65	0.2 0.01 0.27 0.27	93	Wind blowing from the south-southeast	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas								600-1000 1968-3281			16.0 9.9	11.7 53	0.3 0.01	3
September 3, Thursday	23	14.4 58	746.0 29.37 994.59 994.59	758.6 29.87 1011.38 1011.38	0.2 0.01 0.27 0.27	81	Wind blowing from the south-east	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			100%. 10/10. 8 oktas	Rain, not freezing, continuous, slight at time of observation.			12.2 54	19.4 67			1000-1500 3281-4921			16.0 9.9	11.1 52	0.5 0.02	6
September 3, Thursday	20	14.4 58	745.8 29.36 994.32 994.32	758.3 29.85 1010.98 1010.98	0.5 0.02 0.67 0.67	84	Wind blowing from the south-southeast	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas								2000-2500 6562-8202			16.0 9.9	11.7 53	0.5 0.02	3