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 March 12, Thursday | 21 | 5.0 41 | 742.1 29.22 989.39 989.39 | 760.3 29.93 1013.65 1013.65 | -2.0 -0.08 -2.67 -2.67 | 51 | Wind blowing from the south-southeast | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 100%. 10/10. 8 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | -4.4 24 | |||||||||||||||||
18 | 6.1 43 | 744.1 29.3 992.05 992.05 | 762.4 30.02 1016.45 1016.45 | -2.0 -0.08 -2.67 -2.67 | 43 | Wind blowing from the south-west | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 100%. 10/10. 8 oktas | -1.0 30 | 7.2 45 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | -5.6 22 | ||||||||||||||||
15 | 6.7 44 | 746.1 29.37 994.72 994.72 | 764.5 30.1 1019.25 1019.25 | -1.9 -0.07 -2.53 -2.53 | 41 | Wind blowing from the west-southwest | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 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 | -5.6 22 | |||||||||||||||||
12 | 5.0 41 | 748.0 29.45 997.25 997.25 | 766.4 30.17 1021.78 1021.78 | -0.6 -0.02 -0.8 -0.8 | 49 | Wind blowing from the west | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 8 m/s 29 km/h 18 miles/hour 16 knots 5 Bft | 20–30%. 2/10–3/10. 2 oktas | -1.7 29 | 5.0 41 | 1000-1500 3281-4921 | 16.0 9.9 | -5.0 23 | |||||||||||||||
09 | 1.7 35 | 748.6 29.47 998.05 998.05 | 767.1 30.2 1022.72 1022.72 | 0.6 0.02 0.8 0.8 | 64 | Wind blowing from the west-northwest | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 20–30%. 2/10–3/10. 2 oktas | 600-1000 1968-3281 | 16.0 9.9 | -4.4 24 | ||||||||||||||||||
06 | -1.1 30 | 748.0 29.45 997.25 997.25 | 766.4 30.17 1021.78 1021.78 | 0.4 0.02 0.53 0.53 | 75 | Wind blowing from the west-southwest | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 20–30%. 2/10–3/10. 2 oktas | -1.1 30 | 7.8 46 | 2000-2500 6562-8202 | 16.0 9.9 | -5.0 23 | ||||||||||||||||
03 | -0.6 31 | 747.6 29.43 996.72 996.72 | 766.0 30.16 1021.25 1021.25 | 0.0 0 0 0 | 69 | Wind blowing from the west-southwest | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | no clouds no clouds no clouds | 16.0 9.9 | -5.6 22 | |||||||||||||||||||
00 | 0.0 32 | 747.6 29.43 996.72 996.72 | 766.0 30.16 1021.25 1021.25 | 0.5 0.02 0.67 0.67 | 73 | Wind blowing from the west-northwest | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | no clouds no clouds no clouds | 0.0 32 | 16.0 9.9 | -4.4 24 | ||||||||||||||||||
| March 11, Wednesday | 21 | 1.1 34 | 747.1 29.41 996.05 996.05 | 765.5 30.14 1020.58 1020.58 | 2.5 0.1 3.33 3.33 | 76 | Wind blowing from the west | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | no clouds no clouds no clouds | 16.0 9.9 | -2.8 27 | ||||||||||||||||||