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 June 23, Tuesday	20	23.3 74	752.6 29.63 1003.38 1003.38	760.8 29.95 1014.32 1014.32	1.0 0.04 1.33 1.33	60	Wind blowing from the north	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			20–30%. 2/10–3/10. 2 oktas				18.9 66	23.9 75			1000-1500 3281-4921			16.0 9.9	15.0 59	0.3 0.01	6
	17	21.7 71	751.6 29.59 1002.05 1002.05	759.8 29.91 1012.98 1012.98	-0.5 -0.02 -0.67 -0.67	68	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								1000-1500 3281-4921			16.0 9.9	15.6 60	0.3 0.01	3
	14	18.9 66	752.1 29.61 1002.72 1002.72	760.3 29.93 1013.65 1013.65	0.8 0.03 1.07 1.07	90	Wind blowing from the north-northwest	Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft)	10 m/s 36 km/h 22 mph 19 knots 5 Bft		100%. 10/10. 8 oktas	Rain, not freezing, continuous, slight at time of observation.			18.3 65	21.7 71			200-300 656-984			6.0 3.7	17.2 63	24.0 0.94	6
	11	20.0 68	751.3 29.58 1001.65 1001.65	759.7 29.91 1012.85 1012.85	0.5 0.02 0.67 0.67	93	Wind blowing from the north-northwest	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)			100%. 10/10. 8 oktas	Rain, not freezing, continuous, slight at time of observation.							200-300 656-984			4.8 3.0	18.9 66	12.0 0.47	3
	08	21.7 71	750.8 29.56 1000.98 1000.98	758.8 29.87 1011.65 1011.65	0.7 0.03 0.93 0.93	90	Wind blowing from the north-west	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			100%. 10/10. 8 oktas				20.6 69				300-600 984-1968			16.0 9.9	20.0 68
	05	20.6 69	750.1 29.53 1000.05 1000.05	758.1 29.85 1010.72 1010.72	-0.3 -0.01 -0.4 -0.4	100	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								100-200 328-656			16.0 9.9	20.6 69
	02	21.1 70	750.4 29.54 1000.45 1000.45	758.2 29.85 1010.85 1010.85	-0.4 -0.02 -0.53 -0.53	97	Wind blowing from the south-southwest	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			100%. 10/10. 8 oktas				18.9 66	23.3 74			2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	20.6 69
June 22, Monday	23	21.1 70	750.8 29.56 1000.98 1000.98	758.9 29.88 1011.78 1011.78	1.5 0.06 2 2	97	Wind blowing from the south-southeast	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			100%. 10/10. 8 oktas								1500-2000 4921-6562			16.0 9.9	20.6 69
June 22, Monday	20	23.3 74	749.3 29.5 998.98 998.98	757.3 29.81 1009.65 1009.65	0.0 0 0 0	94	Wind blowing from the south-southeast	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas				18.9 66	32.8 91			1500-2000 4921-6562			16.0 9.9	22.2 72	5.0 0.2	6