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 13, Thursday | 01 | 22.8 73 | 741.1 29.18 988.05 988.05 | 758.5 29.86 1011.25 1011.25 | 0.0 0 0 0 | 87 | Wind blowing from the west-southwest | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | no clouds no clouds no clouds | 22.2 72 | 26.1 79 | 16.0 9.9 | 20.6 69 | ||||||||||||||||
| August 12, Wednesday | 22 | 25.0 77 | 741.1 29.18 988.05 988.05 | 758.6 29.87 1011.38 1011.38 | 1.5 0.06 2 2 | 74 | Wind blowing from the north | 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 | 20.0 68 | |||||||||||||||||
19 | 26.1 79 | 739.6 29.12 986.05 986.05 | 757.0 29.8 1009.25 1009.25 | 0.8 0.03 1.07 1.07 | 74 | Wind blowing from the east | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | 22.2 72 | 28.9 84 | 1000-1500 3281-4921 | 16.0 9.9 | 21.1 70 | ||||||||||||||||
16 | 27.8 82 | 738.8 29.09 984.99 984.99 | 756.1 29.77 1008.05 1008.05 | -1.1 -0.04 -1.47 -1.47 | 63 | 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 | 600-1000 1968-3281 | 16.0 9.9 | 20.0 68 | ||||||||||||||||||
13 | 24.4 76 | 739.9 29.13 986.45 986.45 | 757.4 29.82 1009.78 1009.78 | 0.3 0.01 0.4 0.4 | 77 | Wind blowing from the west | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | 21.7 71 | 24.4 76 | 600-1000 1968-3281 | 16.0 9.9 | 20.0 68 | Trace of precipitation Trace of precipitation | 6 | ||||||||||||||
10 | 23.3 74 | 739.6 29.12 986.05 986.05 | 757.1 29.81 1009.38 1009.38 | 0.5 0.02 0.67 0.67 | 88 | Calm, no wind | Calm | 100%. 10/10. 8 oktas | 600-1000 1968-3281 | 16.0 9.9 | 21.1 70 | ||||||||||||||||||
07 | 22.2 72 | 739.1 29.1 985.39 985.39 | 756.4 29.78 1008.45 1008.45 | -0.5 -0.02 -0.67 -0.67 | 91 | Calm, no wind | Calm | 70 – 80%. 7/10 – 8/10. 6 oktas | 22.2 72 | 27.2 81 | 600-1000 1968-3281 | 16.0 9.9 | 20.6 69 | ||||||||||||||||
04 | 22.2 72 | 739.6 29.12 986.05 986.05 | 757.0 29.8 1009.25 1009.25 | -0.7 -0.03 -0.93 -0.93 | 87 | Calm, no wind | Calm | 70 – 80%. 7/10 – 8/10. 6 oktas | 600-1000 1968-3281 | 16.0 9.9 | 20.0 68 | ||||||||||||||||||
01 | 22.8 73 | 740.3 29.15 986.99 986.99 | 757.8 29.83 1010.32 1010.32 | -0.8 -0.03 -1.07 -1.07 | 90 | Wind blowing from the south-southeast | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | 22.8 73 | 26.1 79 | 600-1000 1968-3281 | 16.0 9.9 | 21.1 70 | ||||||||||||||||