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 July 26, Sunday	01	22.2 72	743.3 29.26 990.99 990.99	760.7 29.95 1014.18 1014.18	0.4 0.02 0.53 0.53	87	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				17.2 63	25.0 77			300-600 984-1968			16.0 9.9	20.0 68
July 25, Saturday	22	23.3 74	742.9 29.25 990.45 990.45	760.3 29.93 1013.65 1013.65	0.6 0.02 0.8 0.8	82	Wind blowing from the south	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			100%. 10/10. 8 oktas								300-600 984-1968			14.0 8.7	20.0 68
	19	25.0 77	742.3 29.22 989.65 989.65	759.8 29.91 1012.98 1012.98	-0.3 -0.01 -0.4 -0.4	74	Wind blowing from the south-west	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			100%. 10/10. 8 oktas				17.2 63	26.7 80			600-1000 1968-3281			16.0 9.9	20.0 68
	16	26.7 80	742.6 29.24 990.05 990.05	760.3 29.93 1013.65 1013.65	-1.5 -0.06 -2 -2	64	Wind blowing from the south	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas								600-1000 1968-3281			16.0 9.9	19.4 67
	13	23.9 75	744.1 29.3 992.05 992.05	761.6 29.98 1015.38 1015.38	-0.3 -0.01 -0.4 -0.4	66	Wind blowing from the south-west	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			100%. 10/10. 8 oktas				18.3 65	25.0 77			600-1000 1968-3281			16.0 9.9	17.2 63
	10	23.3 74	744.4 29.31 992.45 992.45	761.9 30 1015.78 1015.78	-0.2 -0.01 -0.27 -0.27	60	Wind blowing from the south	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas								1000-1500 3281-4921			16.0 9.9	15.0 59
	07	18.3 65	744.6 29.31 992.72 992.72	762.1 30 1016.05 1016.05	0.0 0 0 0	76	Wind blowing from the south	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas				17.2 63	26.7 80			1000-1500 3281-4921			16.0 9.9	13.9 57
	04	17.2 63	744.6 29.31 992.72 992.72	762.3 30.01 1016.32 1016.32	-0.5 -0.02 -0.67 -0.67	81	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	13.9 57
	01	20.0 68	745.1 29.33 993.39 993.39	762.7 30.03 1016.85 1016.85	-0.5 -0.02 -0.67 -0.67	68	Wind blowing from the south	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			no clouds no clouds no clouds				17.2 63	25.0 77						16.0 9.9	13.9 57