Weather archive in Washington / Ronald Reagan (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 August 29, Saturday	17	28.9 84	764.9 30.11 1019.78 1019.78	766.4 30.17 1021.78 1021.78	-1.3 -0.05 -1.73 -1.73	43	Wind blowing from the south	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			50%. 5/10. 4 oktas								1500-2000 4921-6562			16.0 9.9	15.0 59
	14	27.2 81	766.2 30.17 1021.52 1021.52	767.8 30.23 1023.65 1023.65	-0.2 -0.01 -0.27 -0.27	39	Calm, no wind	Calm			70 – 80%. 7/10 – 8/10. 6 oktas				21.7 71	27.8 82			2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	12.2 54
	11	25.0 77	766.4 30.17 1021.78 1021.78	768.1 30.24 1024.05 1024.05	0.5 0.02 0.67 0.67	47		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	12.8 55
	08	21.7 71	765.9 30.15 1021.12 1021.12	767.5 30.22 1023.25 1023.25	1.5 0.06 2 2	66	Wind blowing from the north-northeast	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)			20–30%. 2/10–3/10. 2 oktas				20.6 69	32.2 90			2000-2500 6562-8202			16.0 9.9	15.0 59
	05	22.2 72	764.4 30.09 1019.12 1019.12	766.0 30.16 1021.25 1021.25	1.3 0.05 1.73 1.73	73	Wind blowing from the north-northeast	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			20–30%. 2/10–3/10. 2 oktas								2000-2500 6562-8202			16.0 9.9	17.2 63
	02	22.8 73	763.1 30.04 1017.38 1017.38	764.7 30.11 1019.52 1019.52	0.7 0.03 0.93 0.93	81	Wind blowing from the north-northwest	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			50%. 5/10. 4 oktas				22.8 73	27.8 82			2000-2500 6562-8202			16.0 9.9	19.4 67
August 28, Friday	23	25.6 78	762.4 30.02 1016.45 1016.45	764.1 30.08 1018.72 1018.72	1.5 0.06 2 2	69	Calm, no wind	Calm			50%. 5/10. 4 oktas								2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	19.4 67
	20	27.8 82	760.9 29.96 1014.45 1014.45	762.5 30.02 1016.58 1016.58	0.6 0.02 0.8 0.8	58	Wind blowing from the north-northeast	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas				23.3 74	32.2 90			1000-1500 3281-4921			16.0 9.9	18.9 66
	17	30.6 87	760.3 29.93 1013.65 1013.65	761.9 30 1015.78 1015.78	0.0 0 0 0	48	Wind blowing from the north	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas								1000-1500 3281-4921			16.0 9.9	18.3 65