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 June 9, Tuesday	22	27.2 81	740.1 29.14 986.72 986.72	757.6 29.83 1010.05 1010.05	0.2 0.01 0.27 0.27	69	Wind blowing from the west	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			50%. 5/10. 4 oktas								1000-1500 3281-4921			16.0 9.9	21.1 70
	19	30.0 86	739.9 29.13 986.45 986.45	757.2 29.81 1009.52 1009.52	-0.4 -0.02 -0.53 -0.53	61	Wind blowing from the west	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			50%. 5/10. 4 oktas				22.2 72	31.1 88			1000-1500 3281-4921			16.0 9.9	21.7 71
	16	30.0 86	740.3 29.15 986.99 986.99	757.8 29.83 1010.32 1010.32	-1.3 -0.05 -1.73 -1.73	59	Wind blowing from the west	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)	9 m/s 32 km/h 20 miles/hour 17 knots 5 Bft		70 – 80%. 7/10 – 8/10. 6 oktas								1000-1500 3281-4921			16.0 9.9	21.1 70
	13	28.9 84	741.6 29.2 988.72 988.72	758.9 29.88 1011.78 1011.78	-0.5 -0.02 -0.67 -0.67	70	Wind blowing from the south-west	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas				22.2 72	28.9 84			600-1000 1968-3281			16.0 9.9	22.8 73	2.0 0.08	6
	10	24.4 76	742.1 29.22 989.39 989.39	759.6 29.91 1012.72 1012.72	-0.2 -0.01 -0.27 -0.27	88	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								300-600 984-1968			16.0 9.9	22.2 72	2.0 0.08	3
	07	22.2 72	742.3 29.22 989.65 989.65	759.9 29.92 1013.12 1013.12	0.5 0.02 0.67 0.67	97	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	Mist.			21.7 71	28.9 84			100-200 328-656			8.0 5.0	21.7 71	Trace of precipitation Trace of precipitation	6
	04	22.2 72	741.8 29.2 988.99 988.99	759.4 29.9 1012.45 1012.45	-0.5 -0.02 -0.67 -0.67	97	Wind blowing from the west-southwest	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			100%. 10/10. 8 oktas								100-200 328-656			11.0 6.8	21.7 71	Trace of precipitation Trace of precipitation	3
	01	22.2 72	742.3 29.22 989.65 989.65	759.7 29.91 1012.85 1012.85	-0.8 -0.03 -1.07 -1.07	94	Wind blowing from the south-east	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			100%. 10/10. 8 oktas				18.3 65	25.0 77			300-600 984-1968			16.0 9.9	21.1 70	0.8 0.03	6
June 8, Monday	22	23.3 74	743.1 29.26 990.72 990.72	760.6 29.94 1014.05 1014.05	1.0 0.04 1.33 1.33	82	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								300-600 984-1968			16.0 9.9	20.0 68