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 October 17, Saturday	10	8.3 47	757.6 29.83 1010.05 1010.05	775.9 30.55 1034.45 1034.45	1.3 0.05 1.73 1.73	56	Calm, no wind	Calm			20–30%. 2/10–3/10. 2 oktas								1000-1500 3281-4921			16.0 9.9	0.0 32
	07	4.4 40	756.3 29.78 1008.32 1008.32	774.8 30.5 1032.98 1032.98	1.0 0.04 1.33 1.33	65	Wind blowing from the north-west	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			50%. 5/10. 4 oktas				3.9 39	13.9 57			600-1000 1968-3281			16.0 9.9	-1.7 29
	04	4.4 40	755.3 29.74 1006.98 1006.98	773.7 30.46 1031.52 1031.52	0.5 0.02 0.67 0.67	65	Wind blowing from the north-northwest	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			20–30%. 2/10–3/10. 2 oktas								1500-2000 4921-6562			16.0 9.9	-1.7 29
	01	5.6 42	754.8 29.72 1006.32 1006.32	773.2 30.44 1030.85 1030.85	1.5 0.06 2 2	62	Wind blowing from the north-northwest	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)			20–30%. 2/10–3/10. 2 oktas				5.6 42	13.9 57			1500-2000 4921-6562			16.0 9.9	-1.1 30
October 16, Friday	22	7.8 46	753.3 29.66 1004.32 1004.32	771.7 30.38 1028.85 1028.85	2.0 0.08 2.67 2.67	71	Wind blowing from the north-northwest	Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft)			20–30%. 2/10–3/10. 2 oktas								1000-1500 3281-4921			16.0 9.9	2.8 37
	19	8.9 48	751.3 29.58 1001.65 1001.65	769.4 30.29 1025.78 1025.78	3.5 0.14 4.67 4.67	74	Wind blowing from the north	Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft)	12 m/s 43 km/h 27 miles/hour 23 knots 6 Bft		70 – 80%. 7/10 – 8/10. 6 oktas				8.9 48	13.9 57			1000-1500 3281-4921			16.0 9.9	4.4 40	0.3 0.01	6
	16	13.3 56	747.8 29.44 996.98 996.98	765.9 30.15 1021.12 1021.12	2.0 0.08 2.67 2.67	53	Wind blowing from the north	Fresh breeze (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	3.9 39	Trace of precipitation Trace of precipitation	3
	13	12.2 54	745.8 29.36 994.32 994.32	763.9 30.07 1018.45 1018.45	1.2 0.05 1.6 1.6	69	Wind blowing from the north	Strong breeze (11 m/s) (40 km/h) (25 miles/hour) (21 mile/hour) (6 Bft)	14 m/s 50 km/h 31 mile/hour 27 knots 7 Bft		100%. 10/10. 8 oktas				10.6 51	13.9 57			600-1000 1968-3281			16.0 9.9	6.7 44	Trace of precipitation Trace of precipitation	6
	10	11.1 52	744.6 29.31 992.72 992.72	762.5 30.02 1016.58 1016.58	1.3 0.05 1.73 1.73	72	Wind blowing from the west-northwest	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)	12 m/s 43 km/h 27 miles/hour 23 knots 6 Bft		100%. 10/10. 8 oktas								600-1000 1968-3281			16.0 9.9	6.1 43