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 September 24, Thursday | 10 | 17.2 63 | 753.1 29.65 1004.05 1004.05 | 770.9 30.35 1027.78 1027.78 | 0.8 0.03 1.07 1.07 | 70 | Wind blowing from the east | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 100%. 10/10. 8 oktas | 1500-2000 4921-6562 | 16.0 9.9 | 11.7 53 | |||||||||||||||||
07 | 16.7 62 | 752.3 29.62 1002.98 1002.98 | 770.2 30.32 1026.85 1026.85 | 0.0 0 0 0 | 67 | Wind blowing from the east-northeast | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 100%. 10/10. 8 oktas | 15.6 60 | 20.0 68 | 1000-1500 3281-4921 | 16.0 9.9 | 10.6 51 | ||||||||||||||||
04 | 16.1 61 | 752.3 29.62 1002.98 1002.98 | 770.2 30.32 1026.85 1026.85 | -0.5 -0.02 -0.67 -0.67 | 63 | 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 | 600-1000 1968-3281 | 16.0 9.9 | 8.9 48 | ||||||||||||||||||
01 | 15.6 60 | 752.8 29.64 1003.65 1003.65 | 770.7 30.34 1027.52 1027.52 | 0.0 0 0 0 | 62 | Wind blowing from the east | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 50%. 5/10. 4 oktas | 15.6 60 | 18.3 65 | 1000-1500 3281-4921 | 16.0 9.9 | 8.3 47 | ||||||||||||||||
| September 23, Wednesday | 22 | 18.3 65 | 752.8 29.64 1003.65 1003.65 | 770.8 30.35 1027.65 1027.65 | 0.3 0.01 0.4 0.4 | 63 | Wind blowing from the east | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 10 m/s 36 km/h 22 mph 19 knots 5 Bft | 100%. 10/10. 8 oktas | 1000-1500 3281-4921 | 16.0 9.9 | 11.1 52 | ||||||||||||||||
19 | 17.8 64 | 752.5 29.63 1003.25 1003.25 | 770.5 30.33 1027.25 1027.25 | 0.0 0 0 0 | 68 | Wind blowing from the north-east | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 100%. 10/10. 8 oktas | 15.6 60 | 20.0 68 | 600-1000 1968-3281 | 16.0 9.9 | 11.7 53 | ||||||||||||||||
16 | 18.3 65 | 752.5 29.63 1003.25 1003.25 | 770.5 30.33 1027.25 1027.25 | -0.6 -0.02 -0.8 -0.8 | 66 | Wind blowing from the east-northeast | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | 100%. 10/10. 8 oktas | 600-1000 1968-3281 | 16.0 9.9 | 11.7 53 | ||||||||||||||||||
13 | 18.9 66 | 753.1 29.65 1004.05 1004.05 | 771.1 30.36 1028.05 1028.05 | -0.2 -0.01 -0.27 -0.27 | 65 | Wind blowing from the east-northeast | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | 15.6 60 | 18.9 66 | 600-1000 1968-3281 | 16.0 9.9 | 12.2 54 | ||||||||||||||||
10 | 17.2 63 | 753.3 29.66 1004.32 1004.32 | 771.3 30.37 1028.32 1028.32 | 0.8 0.03 1.07 1.07 | 76 | Wind blowing from the east-northeast | 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 | 12.8 55 | ||||||||||||||||||