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 June 21, Sunday	14	21.1 70	751.0 29.57 1001.25 1001.25	763.7 30.07 1018.18 1018.18	-1.0 -0.04 -1.33 -1.33	49	Wind blowing from the west-southwest	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			50%. 5/10. 4 oktas								600-1000 1968-3281			16.0 9.9	10.0 50
	11	17.8 64	752.0 29.61 1002.58 1002.58	764.5 30.1 1019.25 1019.25	0.0 0 0 0	58	Wind blowing from the west-southwest	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas				11.7 53	17.8 64			1500-2000 4921-6562			16.0 9.9	9.4 49
	08	13.3 56	752.0 29.61 1002.58 1002.58	764.8 30.11 1019.65 1019.65	0.5 0.02 0.67 0.67	77	Calm, no wind	Calm			20–30%. 2/10–3/10. 2 oktas								600-1000 1968-3281			16.0 9.9	9.4 49
	05	11.7 53	751.5 29.59 1001.92 1001.92	764.2 30.09 1018.85 1018.85	0.0 0 0 0	83	Calm, no wind	Calm			50%. 5/10. 4 oktas				11.1 52	21.7 71			2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	8.9 48
	02	12.2 54	751.5 29.59 1001.92 1001.92	764.2 30.09 1018.85 1018.85	0.5 0.02 0.67 0.67	83	Wind blowing from the south	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			no clouds no clouds no clouds											16.0 9.9	9.4 49
June 20, Saturday	23	13.9 57	751.0 29.57 1001.25 1001.25	763.7 30.07 1018.18 1018.18	1.0 0.04 1.33 1.33	74	Wind blowing from the south	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			no clouds no clouds no clouds				12.2 54	21.1 70						16.0 9.9	9.4 49
	20	18.3 65	750.0 29.53 999.92 999.92	762.7 30.03 1016.85 1016.85	0.2 0.01 0.27 0.27	54	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								1000-1500 3281-4921			16.0 9.9	8.9 48
	17	21.1 70	749.8 29.52 999.65 999.65	762.4 30.02 1016.45 1016.45	-0.2 -0.01 -0.27 -0.27	44	Wind blowing from the west	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)	8 m/s 29 km/h 18 miles/hour 16 knots 5 Bft		20–30%. 2/10–3/10. 2 oktas				12.2 54	21.7 71			1500-2000 4921-6562			16.0 9.9	8.3 47
	14	20.0 68	750.0 29.53 999.92 999.92	762.6 30.02 1016.72 1016.72	0.5 0.02 0.67 0.67	47	Wind blowing from the south-west	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)	7 m/s 25 km/h 16 miles/hour 14 knots 4 Bft		50%. 5/10. 4 oktas								1000-1500 3281-4921			16.0 9.9	8.3 47