Weather archive in Chicago / O'Hare (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 7, Friday	16	30.0 86	743.6 29.28 991.39 991.39	761.2 29.97 1014.85 1014.85	-1.5 -0.06 -2 -2	53		Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			50%. 5/10. 4 oktas								1000-1500 3281-4921			16.0 9.9	19.4 67
	13	27.8 82	745.1 29.33 993.39 993.39	762.7 30.03 1016.85 1016.85	-0.2 -0.01 -0.27 -0.27	63		Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			50%. 5/10. 4 oktas				21.1 70	28.3 83			600-1000 1968-3281			16.0 9.9	20.0 68
	10	25.6 78	745.3 29.34 993.65 993.65	762.9 30.04 1017.12 1017.12	-0.5 -0.02 -0.67 -0.67	69	Wind blowing from the south	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			20–30%. 2/10–3/10. 2 oktas								600-1000 1968-3281			16.0 9.9	19.4 67
	07	21.1 70	745.8 29.36 994.32 994.32	763.5 30.06 1017.92 1017.92	-0.3 -0.01 -0.4 -0.4	93	Wind blowing from the south-southeast	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			50%. 5/10. 4 oktas				20.0 68	27.8 82			2000-2500 6562-8202			14.0 8.7	20.0 68
	04	21.1 70	746.1 29.37 994.72 994.72	763.6 30.06 1018.05 1018.05	-0.2 -0.01 -0.27 -0.27	93	Wind blowing from the south	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			no clouds no clouds no clouds	Mist.										9.0 5.6	20.0 68
	01	22.2 72	746.3 29.38 994.99 994.99	763.9 30.07 1018.45 1018.45	0.2 0.01 0.27 0.27	94	Calm, no wind	Calm			20–30%. 2/10–3/10. 2 oktas	Mist.			20.6 69	26.1 79			1500-2000 4921-6562			9.0 5.6	21.1 70
August 6, Thursday	22	23.9 75	746.1 29.37 994.72 994.72	763.8 30.07 1018.32 1018.32	1.0 0.04 1.33 1.33	84	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								600-1000 1968-3281			16.0 9.9	21.1 70
	19	25.6 78	745.1 29.33 993.39 993.39	762.7 30.03 1016.85 1016.85	-0.7 -0.03 -0.93 -0.93	74	Wind blowing from the east-northeast	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas				20.6 69	27.8 82			600-1000 1968-3281			16.0 9.9	20.6 69
	16	27.2 81	745.8 29.36 994.32 994.32	763.3 30.05 1017.65 1017.65	-0.7 -0.03 -0.93 -0.93	65		Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas								600-1000 1968-3281			16.0 9.9	20.0 68