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 April 11, Saturday	11	17.2 63	761.4 29.98 1015.12 1015.12	769.6 30.3 1026.05 1026.05	1.7 0.07 2.27 2.27	50	Wind blowing from the north	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)			20–30%. 2/10–3/10. 2 oktas								1000-1500 3281-4921			16.0 9.9	6.7 44
	08	16.7 62	759.7 29.91 1012.85 1012.85	768.0 30.24 1023.92 1023.92	2.1 0.08 2.8 2.8	70	Wind blowing from the north	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas				13.3 56	25.6 78			600-1000 1968-3281			16.0 9.9	11.1 52
	05	15.6 60	757.6 29.83 1010.05 1010.05	765.9 30.15 1021.12 1021.12	0.2 0.01 0.27 0.27	72	Wind blowing from the north-northwest	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			50%. 5/10. 4 oktas								1500-2000 4921-6562			16.0 9.9	10.6 51
	02	13.9 57	757.4 29.82 1009.78 1009.78	765.7 30.15 1020.85 1020.85	0.3 0.01 0.4 0.4	60	Calm, no wind	Calm			70 – 80%. 7/10 – 8/10. 6 oktas				5.6 42	21.1 70			2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	6.1 43
April 10, Friday	23	18.3 65	757.1 29.81 1009.38 1009.38	765.4 30.13 1020.45 1020.45	0.5 0.02 0.67 0.67	43	Wind blowing from the south	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			50%. 5/10. 4 oktas								2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	5.6 42
	20	21.1 70	756.6 29.79 1008.72 1008.72	765.0 30.12 1019.92 1019.92	-0.3 -0.01 -0.4 -0.4	37	Wind blowing from the south-southeast	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			20–30%. 2/10–3/10. 2 oktas				5.6 42	25.6 78			2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	5.6 42
	17	25.0 77	756.9 29.8 1009.12 1009.12	765.3 30.13 1020.32 1020.32	-2.8 -0.11 -3.73 -3.73	29	Wind blowing from the south-southeast	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)	9 m/s 32 km/h 20 miles/hour 17 knots 5 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	5.6 42
	14	21.7 71	759.7 29.91 1012.85 1012.85	767.9 30.23 1023.78 1023.78	-2.4 -0.09 -3.2 -3.2	36	Wind blowing from the south-southwest	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)	8 m/s 29 km/h 18 miles/hour 16 knots 5 Bft		20–30%. 2/10–3/10. 2 oktas				7.8 46	21.7 71			2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	6.1 43
	11	15.0 59	762.1 30 1016.05 1016.05	770.5 30.33 1027.25 1027.25	-1.1 -0.04 -1.47 -1.47	54	Wind blowing from the south-southwest	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	5.6 42