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 October 25, Saturday	11	12.8 55	764.5 30.1 1019.25 1019.25	772.9 30.43 1030.45 1030.45	1.1 0.04 1.47 1.47	49	Wind blowing from the north-northwest	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas								2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	2.2 36
	08	0.0 32	763.4 30.06 1017.78 1017.78	772.0 30.39 1029.25 1029.25	1.0 0.04 1.33 1.33	92	Calm, no wind	Calm			70 – 80%. 7/10 – 8/10. 6 oktas				-1.1 30	15.6 60			2000-2500 6562-8202			16.0 9.9	-1.1 30
	05	0.0 32	762.4 30.02 1016.45 1016.45	771.1 30.36 1028.05 1028.05	0.3 0.01 0.4 0.4	96	Calm, no wind	Calm			20–30%. 2/10–3/10. 2 oktas								2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	-0.6 31
	02	1.7 35	762.1 30 1016.05 1016.05	770.5 30.33 1027.25 1027.25	0.2 0.01 0.27 0.27	85	Calm, no wind	Calm			20–30%. 2/10–3/10. 2 oktas				0.6 33	10.6 51			600-1000 1968-3281			16.0 9.9	-0.6 31
October 24, Friday	23	5.0 41	761.9 30 1015.78 1015.78	770.4 30.33 1027.12 1027.12	1.5 0.06 2 2	73	Calm, no wind	Calm			20–30%. 2/10–3/10. 2 oktas								1500-2000 4921-6562			16.0 9.9	0.6 33
	20	10.6 51	760.4 29.94 1013.78 1013.78	769.0 30.28 1025.25 1025.25	1.0 0.04 1.33 1.33	48	Wind blowing from the north-west	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			50%. 5/10. 4 oktas				0.6 33	15.6 60			2000-2500 6562-8202			16.0 9.9	0.0 32
	17	13.3 56	759.4 29.9 1012.45 1012.45	767.8 30.23 1023.65 1023.65	1.0 0.04 1.33 1.33	40	Wind blowing from the north-west	Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft)	11 m/s 40 km/h 25 miles/hour 21 mile/hour 6 Bft		70 – 80%. 7/10 – 8/10. 6 oktas								1500-2000 4921-6562			16.0 9.9	0.0 32
	14	14.4 58	758.4 29.86 1011.12 1011.12	766.8 30.19 1022.32 1022.32	-0.5 -0.02 -0.67 -0.67	36	Wind blowing from the north-west	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)	10 m/s 36 km/h 22 mph 19 knots 5 Bft		70 – 80%. 7/10 – 8/10. 6 oktas				2.2 36	15.0 59			1500-2000 4921-6562			16.0 9.9	-0.6 31
	11	13.3 56	758.9 29.88 1011.78 1011.78	767.4 30.21 1023.12 1023.12	0.7 0.03 0.93 0.93	44	Wind blowing from the west	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)	11 m/s 40 km/h 25 miles/hour 21 mile/hour 6 Bft		20–30%. 2/10–3/10. 2 oktas								1500-2000 4921-6562			16.0 9.9	1.1 34