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 10, Monday	19	26.7 80	742.1 29.22 989.39 989.39	759.5 29.9 1012.58 1012.58	0.0 0 0 0	79	Wind blowing from the east	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			100%. 10/10. 8 oktas				22.2 72	30.6 87			600-1000 1968-3281			16.0 9.9	22.8 73	Trace of precipitation Trace of precipitation	6
	16	28.9 84	742.1 29.22 989.39 989.39	759.4 29.9 1012.45 1012.45	-0.2 -0.01 -0.27 -0.27	72	Wind blowing from the north-east	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			100%. 10/10. 8 oktas								600-1000 1968-3281			16.0 9.9	23.3 74
	13	29.4 85	742.3 29.22 989.65 989.65	759.7 29.91 1012.85 1012.85	0.2 0.01 0.27 0.27	70	Wind blowing from the south-southeast	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas				21.1 70	29.4 85			600-1000 1968-3281			16.0 9.9	23.3 74
	10	25.0 77	742.1 29.22 989.39 989.39	759.6 29.91 1012.72 1012.72	0.0 0 0 0	82	Calm, no wind	Calm			100%. 10/10. 8 oktas								300-600 984-1968			16.0 9.9	21.7 71
	07	23.3 74	742.1 29.22 989.39 989.39	759.5 29.9 1012.58 1012.58	1.0 0.04 1.33 1.33	88	Wind blowing from the west	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			100%. 10/10. 8 oktas				22.2 72				300-600 984-1968			16.0 9.9	21.1 70
	04	22.8 73	741.1 29.18 988.05 988.05	758.5 29.86 1011.25 1011.25	0.0 0 0 0	84	Wind blowing from the west-southwest	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			100%. 10/10. 8 oktas								600-1000 1968-3281			16.0 9.9	20.0 68
	01	25.0 77	741.1 29.18 988.05 988.05	758.6 29.87 1011.38 1011.38	-0.7 -0.03 -0.93 -0.93	90	Wind blowing from the south-southeast	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			100%. 10/10. 8 oktas	Thunderstorm, slight or moderate, without hail, but with rain and/or snow at time of observation.			18.9 66	25.0 77			300-600 984-1968			16.0 9.9	23.3 74	2.0 0.08	6
August 9, Sunday	22	24.4 76	741.8 29.2 988.99 988.99	759.3 29.89 1012.32 1012.32	0.0 0 0 0	88	Wind blowing from the south-southeast	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			100%. 10/10. 8 oktas								1000-1500 3281-4921			16.0 9.9	22.2 72
August 9, Sunday	19	24.4 76	741.8 29.2 988.99 988.99	759.2 29.89 1012.18 1012.18	-0.3 -0.01 -0.4 -0.4	85	Wind blowing from the south-east	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas				18.9 66	28.9 84			600-1000 1968-3281			16.0 9.9	21.7 71	33.0 1.3	6