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 July 21, Tuesday	23	23.3 74	754.3 29.7 1005.65 1005.65	755.9 29.76 1007.78 1007.78	0.0 0 0 0	91	Wind blowing from the south-southwest	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			100%. 10/10. 8 oktas								300-600 984-1968			16.0 9.9	21.7 71	24.0 0.94	3
	20	25.6 78	754.3 29.7 1005.65 1005.65	755.8 29.76 1007.65 1007.65	0.8 0.03 1.07 1.07	82	Wind blowing from the south-southwest	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			100%. 10/10. 8 oktas	Rain, not freezing, continuous, slight at time of observation.			25.0 77	33.3 92			1500-2000 4921-6562			16.0 9.9	22.2 72	0.3 0.01	6
	17	27.2 81	753.5 29.67 1004.58 1004.58	755.1 29.73 1006.72 1006.72	-1.3 -0.05 -1.73 -1.73	67	Wind blowing from the south-southwest	Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft)	15 m/s 54 km/h 34 mph 29 knots 7 Bft		100%. 10/10. 8 oktas	Thunderstorm, slight or moderate, without hail, but with rain and/or snow at time of observation.							1500-2000 4921-6562			16.0 9.9	20.6 69
	14	32.2 90	754.8 29.72 1006.32 1006.32	756.3 29.78 1008.32 1008.32	-0.7 -0.03 -0.93 -0.93	62	Wind blowing from the south	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)	8 m/s 29 km/h 18 miles/hour 16 knots 5 Bft		100%. 10/10. 8 oktas				25.6 78	32.8 91			1000-1500 3281-4921			16.0 9.9	23.9 75
	11	28.3 83	755.5 29.74 1007.25 1007.25	757.2 29.81 1009.52 1009.52	-0.6 -0.02 -0.8 -0.8	70	Wind blowing from the south-southwest	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas								600-1000 1968-3281			16.0 9.9	22.2 72
	08	25.6 78	756.1 29.77 1008.05 1008.05	757.6 29.83 1010.05 1010.05	0.0 0 0 0	85	Wind blowing from the south	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)			100%. 10/10. 8 oktas				25.0 77	30.6 87			300-600 984-1968			14.0 8.7	22.8 73
	05	25.0 77	756.1 29.77 1008.05 1008.05	757.7 29.83 1010.18 1010.18	-1.5 -0.06 -2 -2	88	Wind blowing from the south-southeast	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			100%. 10/10. 8 oktas								300-600 984-1968			14.0 8.7	22.8 73
	02	25.6 78	757.6 29.83 1010.05 1010.05	759.1 29.89 1012.05 1012.05	-0.7 -0.03 -0.93 -0.93	85	Wind blowing from the south	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			100%. 10/10. 8 oktas				21.1 70	28.3 83			300-600 984-1968			14.0 8.7	22.8 73