Weather archive in Seattle / Tacoma (airport)

To receive explanations, hover over the appropriate heading

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 19, Saturday	14	14.4 58	753.5 29.67 1004.58 1004.58	766.3 30.17 1021.65 1021.65	-0.8 -0.03 -1.07 -1.07	84	Wind blowing from the west	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			100%. 10/10. 8 oktas								200-300 656-984			16.0 9.9	11.7 53
	11	12.2 54	754.3 29.7 1005.65 1005.65	767.1 30.2 1022.72 1022.72	-0.3 -0.01 -0.4 -0.4	93	Wind blowing from the west-northwest	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			100%. 10/10. 8 oktas	Mist.			11.1 52	13.9 57			50-100 164-328			4.8 3.0	11.1 52
	08	11.7 53	754.6 29.71 1006.05 1006.05	767.1 30.2 1022.72 1022.72	0.6 0.02 0.8 0.8	96	Calm, no wind	Calm			100%. 10/10. 8 oktas	Mist.							50-100 164-328			9.0 5.6	11.1 52
	05	11.7 53	754.0 29.69 1005.25 1005.25	766.8 30.19 1022.32 1022.32	-0.3 -0.01 -0.4 -0.4	93	Wind blowing from the south	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			20–30%. 2/10–3/10. 2 oktas				11.7 53	20.6 69			2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	10.6 51
	02	12.8 55	754.3 29.7 1005.65 1005.65	767.1 30.2 1022.72 1022.72	0.0 0 0 0	90	Wind blowing from the south	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			20–30%. 2/10–3/10. 2 oktas								2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	11.1 52
September 18, Friday	23	13.9 57	754.3 29.7 1005.65 1005.65	766.9 30.19 1022.45 1022.45	0.5 0.02 0.67 0.67	87	Wind blowing from the south	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			20–30%. 2/10–3/10. 2 oktas				12.8 55	20.0 68			2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	11.7 53
	20	16.7 62	753.8 29.68 1004.98 1004.98	766.6 30.18 1022.05 1022.05	-0.5 -0.02 -0.67 -0.67	70	Wind blowing from the south-southwest	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			20–30%. 2/10–3/10. 2 oktas								2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	11.1 52
	17	20.0 68	754.3 29.7 1005.65 1005.65	766.9 30.19 1022.45 1022.45	-0.5 -0.02 -0.67 -0.67	57	Wind blowing from the south	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			20–30%. 2/10–3/10. 2 oktas				12.8 55	20.6 69			1500-2000 4921-6562			16.0 9.9	11.1 52
	14	18.3 65	754.8 29.72 1006.32 1006.32	767.5 30.22 1023.25 1023.25	-0.2 -0.01 -0.27 -0.27	63	Wind blowing from the south-southwest	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			20–30%. 2/10–3/10. 2 oktas								600-1000 1968-3281			16.0 9.9	11.1 52