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 26, Tuesday	17	23.9 75	755.4 29.74 1007.12 1007.12	763.6 30.06 1018.05 1018.05	-1.5 -0.06 -2 -2	71	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								600-1000 1968-3281			16.0 9.9	18.3 65	Trace of precipitation Trace of precipitation	3
	14	22.2 72	756.9 29.8 1009.12 1009.12	765.2 30.13 1020.18 1020.18	-0.7 -0.03 -0.93 -0.93	82	Wind blowing from the east-northeast	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			100%. 10/10. 8 oktas				19.4 67	22.2 72			300-600 984-1968			11.0 6.8	18.9 66	2.0 0.08	6
	11	21.1 70	757.6 29.83 1010.05 1010.05	765.9 30.15 1021.12 1021.12	0.2 0.01 0.27 0.27	90	Wind blowing from the east	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			100%. 10/10. 8 oktas	Rain, not freezing, continuous, moderate at time of observation.							200-300 656-984			9.0 5.6	19.4 67	1.0 0.04	3
	08	19.4 67	757.4 29.82 1009.78 1009.78	765.5 30.14 1020.58 1020.58	1.8 0.07 2.4 2.4	100	Calm, no wind	Calm			100%. 10/10. 8 oktas	Rain, not freezing, continuous, slight at time of observation.			16.7 62	25.0 77			200-300 656-984			4.8 3.0	19.4 67	0.5 0.02	6
	05	17.2 63	755.6 29.75 1007.38 1007.38	763.7 30.07 1018.18 1018.18	0.0 0 0 0	100	Calm, no wind	Calm			100%. 10/10. 8 oktas	Mist.							200-300 656-984			6.0 3.7	17.2 63
	02	18.9 66	755.6 29.75 1007.38 1007.38	763.8 30.07 1018.32 1018.32	-0.5 -0.02 -0.67 -0.67	96	Calm, no wind	Calm			100%. 10/10. 8 oktas	Mist.			16.7 62	22.8 73			100-200 328-656			8.0 5.0	18.3 65	Trace of precipitation Trace of precipitation	6
May 25, Monday	23	20.0 68	756.1 29.77 1008.05 1008.05	764.3 30.09 1018.98 1018.98	0.7 0.03 0.93 0.93	96	Calm, no wind	Calm			100%. 10/10. 8 oktas								1000-1500 3281-4921			12.0 7.5	19.4 67
	20	22.8 73	755.4 29.74 1007.12 1007.12	763.6 30.06 1018.05 1018.05	0.3 0.01 0.4 0.4	84	Wind blowing from the east	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			100%. 10/10. 8 oktas				16.7 62	25.0 77			1000-1500 3281-4921			16.0 9.9	20.0 68	Trace of precipitation Trace of precipitation	6
	17	24.4 76	755.1 29.73 1006.72 1006.72	763.3 30.05 1017.65 1017.65	-1.0 -0.04 -1.33 -1.33	72	Wind blowing from the north-east	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas								600-1000 1968-3281			16.0 9.9	18.9 66