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 July 13, Monday	23	22.8 73	758.6 29.87 1011.38 1011.38	766.8 30.19 1022.32 1022.32	0.7 0.03 0.93 0.93	74	Wind blowing from the south	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			no clouds no clouds no clouds											16.0 9.9	17.8 64
	20	27.2 81	757.9 29.84 1010.45 1010.45	766.0 30.16 1021.25 1021.25	0.3 0.01 0.4 0.4	54	Wind blowing from the south	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			20–30%. 2/10–3/10. 2 oktas				16.7 62	30.0 86			1500-2000 4921-6562			16.0 9.9	17.2 63
	17	28.9 84	757.6 29.83 1010.05 1010.05	765.7 30.15 1020.85 1020.85	-1.0 -0.04 -1.33 -1.33	41		Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			50%. 5/10. 4 oktas								1500-2000 4921-6562			16.0 9.9	14.4 58
	14	28.3 83	758.6 29.87 1011.38 1011.38	766.7 30.19 1022.18 1022.18	-1.1 -0.04 -1.47 -1.47	48	Wind blowing from the south-east	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			50%. 5/10. 4 oktas				21.7 71	28.3 83			600-1000 1968-3281			16.0 9.9	16.1 61
	11	26.7 80	759.7 29.91 1012.85 1012.85	767.9 30.23 1023.78 1023.78	0.3 0.01 0.4 0.4	49	Wind blowing from the east	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			50%. 5/10. 4 oktas								600-1000 1968-3281			16.0 9.9	15.0 59
	08	21.7 71	759.4 29.9 1012.45 1012.45	767.5 30.22 1023.25 1023.25	1.0 0.04 1.33 1.33	81	Calm, no wind	Calm			20–30%. 2/10–3/10. 2 oktas				16.7 62	29.4 85			2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	18.3 65
	05	17.2 63	758.4 29.86 1011.12 1011.12	766.6 30.18 1022.05 1022.05	-0.5 -0.02 -0.67 -0.67	97	Calm, no wind	Calm			no clouds no clouds no clouds											16.0 9.9	16.7 62
	02	18.9 66	758.9 29.88 1011.78 1011.78	767.0 30.2 1022.58 1022.58	0.5 0.02 0.67 0.67	93	Calm, no wind	Calm			50%. 5/10. 4 oktas				18.3 65	23.9 75			2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	17.8 64