Weather archive in Washington / Dulles (airport)

To receive explanations, hover over the appropriate heading

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 September 8, Tuesday	05	13.9 57	760.1 29.93 1013.38 1013.38	768.4 30.25 1024.45 1024.45	0.4 0.02 0.53 0.53	96	Calm, no wind	Calm			no clouds no clouds no clouds											16.0 9.9	13.3 56
2026 September 8, Tuesday	02	16.1 61	759.7 29.91 1012.85 1012.85	767.9 30.23 1023.78 1023.78	0.8 0.03 1.07 1.07	87	Wind blowing from the west-northwest	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			20–30%. 2/10–3/10. 2 oktas				15.0 59	22.2 72			1500-2000 4921-6562			16.0 9.9	13.9 57
September 7, Monday	23	19.4 67	758.9 29.88 1011.78 1011.78	767.0 30.2 1022.58 1022.58	1.0 0.04 1.33 1.33	66	Wind blowing from the east-southeast	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	12.8 55
	20	22.2 72	757.9 29.84 1010.45 1010.45	766.2 30.17 1021.52 1021.52	0.5 0.02 0.67 0.67	57	Wind blowing from the east	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			20–30%. 2/10–3/10. 2 oktas				15.0 59	27.2 81			1500-2000 4921-6562			16.0 9.9	13.3 56
	17	27.2 81	757.4 29.82 1009.78 1009.78	765.7 30.15 1020.85 1020.85	-0.5 -0.02 -0.67 -0.67	39	Wind blowing from the north-northwest	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			20–30%. 2/10–3/10. 2 oktas								1500-2000 4921-6562			16.0 9.9	12.2 54
	14	25.6 78	757.9 29.84 1010.45 1010.45	766.1 30.16 1021.38 1021.38	-0.5 -0.02 -0.67 -0.67	40	Wind blowing from the north-east	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas				18.3 65	27.2 81			1500-2000 4921-6562			16.0 9.9	11.1 52
	11	23.9 75	758.4 29.86 1011.12 1011.12	766.8 30.19 1022.32 1022.32	0.5 0.02 0.67 0.67	55	Wind blowing from the north-northwest	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			20–30%. 2/10–3/10. 2 oktas								600-1000 1968-3281			16.0 9.9	14.4 58
	08	18.3 65	757.9 29.84 1010.45 1010.45	766.1 30.16 1021.38 1021.38	1.8 0.07 2.4 2.4	78	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				15.0 59	28.3 83			600-1000 1968-3281			16.0 9.9	14.4 58
	05	15.6 60	756.1 29.77 1008.05 1008.05	764.4 30.09 1019.12 1019.12	0.3 0.01 0.4 0.4	90	Calm, no wind	Calm			no clouds no clouds no clouds											16.0 9.9	13.9 57