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 June 26, Friday	20	24.4 76	755.1 29.73 1006.72 1006.72	763.3 30.05 1017.65 1017.65	0.0 0 0 0	91	Calm, no wind	Calm			70 – 80%. 7/10 – 8/10. 6 oktas				20.0 68	31.1 88			600-1000 1968-3281			16.0 9.9	22.8 73	0.8 0.03	6
	17	26.7 80	755.1 29.73 1006.72 1006.72	763.2 30.05 1017.52 1017.52	0.2 0.01 0.27 0.27	67	Wind blowing from the south-west	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			100%. 10/10. 8 oktas	Rain, not freezing, continuous, slight at time of observation.							1500-2000 4921-6562			11.0 6.8	20.0 68	Trace of precipitation Trace of precipitation	3
	14	30.6 87	754.9 29.72 1006.45 1006.45	763.0 30.04 1017.25 1017.25	-0.5 -0.02 -0.67 -0.67	50	Calm, no wind	Calm			70 – 80%. 7/10 – 8/10. 6 oktas				22.2 72	31.1 88			1000-1500 3281-4921			16.0 9.9	18.9 66
	11	27.2 81	755.4 29.74 1007.12 1007.12	763.6 30.06 1018.05 1018.05	0.3 0.01 0.4 0.4	58		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	18.3 65
	08	22.2 72	755.1 29.73 1006.72 1006.72	763.3 30.05 1017.65 1017.65	1.5 0.06 2 2	76	Wind blowing from the south	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas				20.0 68	30.0 86			2000-2500 6562-8202			16.0 9.9	17.8 64
	05	21.7 71	753.6 29.67 1004.72 1004.72	761.7 29.99 1015.52 1015.52	-0.3 -0.01 -0.4 -0.4	73	Wind blowing from the south	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			100%. 10/10. 8 oktas								2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	16.7 62
	02	23.3 74	753.9 29.68 1005.12 1005.12	761.9 30 1015.78 1015.78	0.0 0 0 0	62	Wind blowing from the south	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas				15.6 60	27.2 81			2000-2500 6562-8202			16.0 9.9	15.6 60
June 25, Thursday	23	25.0 77	753.9 29.68 1005.12 1005.12	762.0 30 1015.92 1015.92	0.5 0.02 0.67 0.67	54	Wind blowing from the south	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			50%. 5/10. 4 oktas								2000-2500 6562-8202			16.0 9.9	15.0 59
June 25, Thursday	20	27.2 81	753.4 29.66 1004.45 1004.45	761.5 29.98 1015.25 1015.25	-0.2 -0.01 -0.27 -0.27	47	Wind blowing from the south-southeast	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas				15.6 60	30.0 86			1500-2000 4921-6562			16.0 9.9	15.0 59