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 10, Friday	16	26.1 79	742.3 29.22 989.65 989.65	759.9 29.92 1013.12 1013.12	-0.3 -0.01 -0.4 -0.4	56	Wind blowing from the north-east	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	16.7 62
	13	26.7 80	742.6 29.24 990.05 990.05	760.0 29.92 1013.25 1013.25	0.3 0.01 0.4 0.4	56	Wind blowing from the north-east	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas				21.1 70	26.7 80			300-600 984-1968			16.0 9.9	17.2 63
	10	25.0 77	742.3 29.22 989.65 989.65	759.7 29.91 1012.85 1012.85	0.5 0.02 0.67 0.67	66	Wind blowing from the north	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			50%. 5/10. 4 oktas								1000-1500 3281-4921			16.0 9.9	18.3 65
	07	21.1 70	741.8 29.2 988.99 988.99	759.1 29.89 1012.05 1012.05	1.0 0.04 1.33 1.33	87	Wind blowing from the north-northeast	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas				20.6 69	30.6 87			200-300 656-984			16.0 9.9	18.9 66
	04	21.1 70	740.8 29.17 987.65 987.65	758.2 29.85 1010.85 1010.85	0.0 0 0 0	90	Wind blowing from the north-northeast	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas								200-300 656-984			16.0 9.9	19.4 67
	01	22.2 72	740.8 29.17 987.65 987.65	758.2 29.85 1010.85 1010.85	0.2 0.01 0.27 0.27	91	Wind blowing from the north-northeast	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			100%. 10/10. 8 oktas				22.2 72	29.4 85			200-300 656-984			14.0 8.7	20.6 69	Trace of precipitation Trace of precipitation	6
July 9, Thursday	22	25.6 78	740.6 29.16 987.39 987.39	758.1 29.85 1010.72 1010.72	1.0 0.04 1.33 1.33	74	Wind blowing from the east	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			100%. 10/10. 8 oktas								1000-1500 3281-4921			16.0 9.9	20.6 69	Trace of precipitation Trace of precipitation	3
	19	29.4 85	739.6 29.12 986.05 986.05	757.0 29.8 1009.25 1009.25	-0.5 -0.02 -0.67 -0.67	61	Wind blowing from the west	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas				23.3 74	30.6 87			1000-1500 3281-4921			16.0 9.9	21.1 70
	16	30.0 86	740.1 29.14 986.72 986.72	757.5 29.82 1009.92 1009.92	-1.3 -0.05 -1.73 -1.73	59	Wind blowing from the west	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas								1000-1500 3281-4921			16.0 9.9	21.1 70