Weather archive in Washington / Dulles (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 August 28, Friday	17	29.4 85	753.9 29.68 1005.12 1005.12	762.0 30 1015.92 1015.92	-0.4 -0.02 -0.53 -0.53	55	Wind blowing from the north-northeast	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas								1000-1500 3281-4921			16.0 9.9	19.4 67
	14	29.4 85	754.3 29.7 1005.65 1005.65	762.5 30.02 1016.58 1016.58	-0.6 -0.02 -0.8 -0.8	59	Wind blowing from the north-west	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas				21.7 71	29.4 85			600-1000 1968-3281			16.0 9.9	20.6 69
	11	26.7 80	754.9 29.72 1006.45 1006.45	762.9 30.04 1017.12 1017.12	1.3 0.05 1.73 1.73	64	Wind blowing from the north-northwest	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			50%. 5/10. 4 oktas								2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	19.4 67
	08	21.7 71	753.6 29.67 1004.72 1004.72	761.8 29.99 1015.65 1015.65	1.0 0.04 1.33 1.33	87	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				20.6 69	31.7 89			2000-2500 6562-8202			16.0 9.9	19.4 67
	05	22.2 72	752.6 29.63 1003.38 1003.38	760.6 29.94 1014.05 1014.05	-0.2 -0.01 -0.27 -0.27	87	Wind blowing from the north	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			100%. 10/10. 8 oktas								600-1000 1968-3281			16.0 9.9	20.0 68
	02	22.2 72	752.8 29.64 1003.65 1003.65	760.9 29.96 1014.45 1014.45	0.5 0.02 0.67 0.67	91	Wind blowing from the north-northeast	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas				21.7 71	27.2 81			2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	20.6 69	0.3 0.01	6
August 27, Thursday	23	23.9 75	752.3 29.62 1002.98 1002.98	760.5 29.94 1013.92 1013.92	0.2 0.01 0.27 0.27	84	Wind blowing from the south	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			100%. 10/10. 8 oktas								1500-2000 4921-6562			16.0 9.9	21.1 70	0.3 0.01	3
	20	26.7 80	752.1 29.61 1002.72 1002.72	760.2 29.93 1013.52 1013.52	1.0 0.04 1.33 1.33	74	Wind blowing from the south-southeast	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			100%. 10/10. 8 oktas				21.7 71	31.7 89			1000-1500 3281-4921			16.0 9.9	21.7 71	Trace of precipitation Trace of precipitation	6
	17	30.6 87	751.1 29.57 1001.38 1001.38	759.3 29.89 1012.32 1012.32	-1.5 -0.06 -2 -2	53	Wind blowing from the south-southwest	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)	10 m/s 36 km/h 22 mph 19 knots 5 Bft		70 – 80%. 7/10 – 8/10. 6 oktas								1000-1500 3281-4921			16.0 9.9	20.0 68