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 5, Wednesday	07	23.9 75	744.6 29.31 992.72 992.72	762.0 30 1015.92 1015.92	0.5 0.02 0.67 0.67	79	Wind blowing from the south-southwest	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			100%. 10/10. 8 oktas				22.8 73	30.0 86			1000-1500 3281-4921			16.0 9.9	20.0 68	0.8 0.03	6
	04	23.3 74	744.1 29.3 992.05 992.05	761.5 29.98 1015.25 1015.25	-0.3 -0.01 -0.4 -0.4	88	Calm, no wind	Calm			100%. 10/10. 8 oktas								1000-1500 3281-4921			16.0 9.9	21.1 70	0.8 0.03	3
	01	24.4 76	744.4 29.31 992.45 992.45	761.8 29.99 1015.65 1015.65	0.3 0.01 0.4 0.4	74	Wind blowing from the south-southwest	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	28.9 84			1500-2000 4921-6562			16.0 9.9	19.4 67
August 4, Tuesday	22	26.1 79	744.1 29.3 992.05 992.05	761.7 29.99 1015.52 1015.52	0.5 0.02 0.67 0.67	65	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								2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	18.9 66
	19	28.9 84	743.6 29.28 991.39 991.39	761.0 29.96 1014.58 1014.58	-0.2 -0.01 -0.27 -0.27	53	Wind blowing from the south-west	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			20–30%. 2/10–3/10. 2 oktas				20.6 69	30.0 86			1500-2000 4921-6562			16.0 9.9	18.3 65
	16	29.4 85	743.8 29.28 991.65 991.65	761.3 29.97 1014.98 1014.98	-0.3 -0.01 -0.4 -0.4	46	Wind blowing from the south-west	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas								1500-2000 4921-6562			16.0 9.9	16.7 62
	13	27.8 82	744.1 29.3 992.05 992.05	761.6 29.98 1015.38 1015.38	-1.0 -0.04 -1.33 -1.33	53	Wind blowing from the south-west	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			50%. 5/10. 4 oktas				21.1 70	28.3 83			1000-1500 3281-4921			16.0 9.9	17.2 63
	10	25.6 78	745.1 29.33 993.39 993.39	762.7 30.03 1016.85 1016.85	0.0 0 0 0	64	Wind blowing from the south-west	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)	8 m/s 29 km/h 18 miles/hour 16 knots 5 Bft		50%. 5/10. 4 oktas								600-1000 1968-3281			16.0 9.9	18.3 65
	07	21.1 70	745.1 29.33 993.39 993.39	762.7 30.03 1016.85 1016.85	1.0 0.04 1.33 1.33	84	Wind blowing from the south-southwest	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			20–30%. 2/10–3/10. 2 oktas				20.6 69	28.3 83			1000-1500 3281-4921			16.0 9.9	18.3 65