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 May 22, Friday	02	13.3 56	759.7 29.91 1012.85 1012.85	768.1 30.24 1024.05 1024.05	-0.4 -0.02 -0.53 -0.53	93	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	Rain, not freezing, continuous, slight at time of observation.			12.2 54				200-300 656-984			12.0 7.5	12.2 54	3.0 0.12	6
May 21, Thursday	23	12.8 55	760.1 29.93 1013.38 1013.38	768.4 30.25 1024.45 1024.45	0.4 0.02 0.53 0.53	93	Wind blowing from the north-northwest	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			100%. 10/10. 8 oktas	Rain, not freezing, continuous, slight at time of observation.							200-300 656-984			14.0 8.7	11.7 53	1.0 0.04	3
	20	12.2 54	759.7 29.91 1012.85 1012.85	767.9 30.23 1023.78 1023.78	1.1 0.04 1.47 1.47	93	Wind blowing from the north-northwest	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			100%. 10/10. 8 oktas	Rain, not freezing, continuous, slight at time of observation.			12.2 54	18.3 65			200-300 656-984			16.0 9.9	11.1 52	3.0 0.12	6
	17	14.4 58	758.6 29.87 1011.38 1011.38	766.9 30.19 1022.45 1022.45	-0.3 -0.01 -0.4 -0.4	81	Wind blowing from the north-east	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			100%. 10/10. 8 oktas								300-600 984-1968			16.0 9.9	11.1 52
	14	15.6 60	758.9 29.88 1011.78 1011.78	767.1 30.2 1022.72 1022.72	0.5 0.02 0.67 0.67	80	Wind blowing from the north	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)			100%. 10/10. 8 oktas				15.6 60	21.1 70			300-600 984-1968			16.0 9.9	12.2 54
	11	17.2 63	758.4 29.86 1011.12 1011.12	766.6 30.18 1022.05 1022.05	1.5 0.06 2 2	81	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								300-600 984-1968			11.0 6.8	13.9 57
	08	18.3 65	756.9 29.8 1009.12 1009.12	765.2 30.13 1020.18 1020.18	1.3 0.05 1.73 1.73	87	Wind blowing from the north-northeast	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			100%. 10/10. 8 oktas				18.3 65				600-1000 1968-3281			16.0 9.9	16.1 61	Trace of precipitation Trace of precipitation	6
	05	20.6 69	755.6 29.75 1007.38 1007.38	763.7 30.07 1018.18 1018.18	0.2 0.01 0.27 0.27	93	Wind blowing from the north-northeast	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			100%. 10/10. 8 oktas								300-600 984-1968			16.0 9.9	19.4 67
	02	20.6 69	755.4 29.74 1007.12 1007.12	763.5 30.06 1017.92 1017.92	-0.2 -0.01 -0.27 -0.27	96	Calm, no wind	Calm			70 – 80%. 7/10 – 8/10. 6 oktas				17.8 64	23.3 74			2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	20.0 68	20.0 0.79	6