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
2025 May 1, Thursday	02	16.1 61	755.4 29.74 1007.12 1007.12	763.6 30.06 1018.05 1018.05	0.3 0.01 0.4 0.4	70	Wind blowing from the east-northeast	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			20–30%. 2/10–3/10. 2 oktas				15.6 60	26.7 80			1500-2000 4921-6562			16.0 9.9	10.6 51
April 30, Wednesday	23	20.6 69	755.1 29.73 1006.72 1006.72	763.3 30.05 1017.65 1017.65	1.0 0.04 1.33 1.33	61	Wind blowing from the east	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 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	12.8 55
	20	24.4 76	754.1 29.69 1005.38 1005.38	762.1 30 1016.05 1016.05	0.7 0.03 0.93 0.93	43	Wind blowing from the east-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	28.3 83			2000-2500 6562-8202			16.0 9.9	11.1 52
	17	27.8 82	753.4 29.66 1004.45 1004.45	761.5 29.98 1015.25 1015.25	-0.9 -0.04 -1.2 -1.2	37	Wind blowing from the north	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			no clouds no clouds no clouds											16.0 9.9	11.7 53
	14	26.1 79	754.3 29.7 1005.65 1005.65	762.5 30.02 1016.58 1016.58	-0.6 -0.02 -0.8 -0.8	49	Wind blowing from the north-northwest	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		70 – 80%. 7/10 – 8/10. 6 oktas				21.7 71	26.7 80			1000-1500 3281-4921			16.0 9.9	14.4 58
	11	23.9 75	754.9 29.72 1006.45 1006.45	762.9 30.04 1017.12 1017.12	0.8 0.03 1.07 1.07	60	Wind blowing from the west-northwest	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		70 – 80%. 7/10 – 8/10. 6 oktas								600-1000 1968-3281			16.0 9.9	15.6 60
	08	21.7 71	754.1 29.69 1005.38 1005.38	762.2 30.01 1016.18 1016.18	1.5 0.06 2 2	73	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				17.2 63	28.9 84			2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	16.7 62	2.0 0.08	6
	05	17.8 64	752.6 29.63 1003.38 1003.38	760.9 29.96 1014.45 1014.45	0.0 0 0 0	96	Calm, no wind	Calm			100%. 10/10. 8 oktas								2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	17.2 63	2.0 0.08	3
	02	21.7 71	752.6 29.63 1003.38 1003.38	760.7 29.95 1014.18 1014.18	0.0 0 0 0	68	Wind blowing from the south-southwest	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas					26.1 79			2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	15.6 60

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2025

Mon	Tue	Wed	Thu	Fri	Sat	Sun
31	1	2	3	4	5	6
7	8	9	10	11	12	13
14	15	16	17	18	19	20
21	22	23	24	25	26	27
28	29	30	1	2	3	4