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 | |
| 2025 January 19, Sunday | 00 | -10.0 14 | 747.8 29.44 996.98 996.98 | 766.6 30.18 1022.05 1022.05 | 1.3 0.05 1.73 1.73 | 42 | Wind blowing from the north-northwest | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | -10.0 14 | 4.4 40 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | -20.6 -5 | |||||||||||||||
| January 18, Saturday | 21 | -6.1 21 | 746.5 29.39 995.25 995.25 | 765.4 30.13 1020.45 1020.45 | 0.9 0.04 1.2 1.2 | 39 | Wind blowing from the north-northwest | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 9 m/s 32 km/h 20 miles/hour 17 knots 5 Bft | 70 – 80%. 7/10 – 8/10. 6 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | -17.8 -0 | ||||||||||||||||
18 | -3.9 25 | 745.6 29.35 994.05 994.05 | 764.2 30.09 1018.85 1018.85 | 2.0 0.08 2.67 2.67 | 44 | Wind blowing from the north-west | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | -3.9 25 | 0.0 32 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | -14.4 6 | ||||||||||||||||
15 | -1.7 29 | 743.6 29.28 991.39 991.39 | 761.8 29.99 1015.65 1015.65 | 0.7 0.03 0.93 0.93 | 41 | Wind blowing from the north-northwest | 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 | -13.3 8 | ||||||||||||||||||
12 | -1.7 29 | 742.9 29.25 990.45 990.45 | 761.2 29.97 1014.85 1014.85 | 1.8 0.07 2.4 2.4 | 47 | Wind blowing from the north-northwest | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 10 m/s 36 km/h 22 mph 19 knots 5 Bft | 70 – 80%. 7/10 – 8/10. 6 oktas | -3.3 26 | 4.4 40 | 600-1000 1968-3281 | 16.0 9.9 | -11.7 11 | |||||||||||||||
09 | -2.2 28 | 741.1 29.18 988.05 988.05 | 759.4 29.9 1012.45 1012.45 | 3.5 0.14 4.67 4.67 | 56 | Wind blowing from the north | Fresh breeze (10 m/s) (36 km/h) (22 mph) (19 knots) (5 Bft) | 14 m/s 50 km/h 31 mile/hour 27 knots 7 Bft | 70 – 80%. 7/10 – 8/10. 6 oktas | 600-1000 1968-3281 | 16.0 9.9 | -10.0 14 | |||||||||||||||||
06 | 0.0 32 | 737.6 29.04 983.39 983.39 | 755.7 29.75 1007.52 1007.52 | 2.8 0.11 3.73 3.73 | 64 | Wind blowing from the north-northwest | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 100%. 10/10. 8 oktas | 0.0 32 | 8.3 47 | 1500-2000 4921-6562 | 16.0 9.9 | -6.1 21 | ||||||||||||||||
03 | 2.8 37 | 734.8 28.93 979.65 979.65 | 752.9 29.64 1003.78 1003.78 | 1.9 0.07 2.53 2.53 | 62 | Wind blowing from the north-west | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 11 m/s 40 km/h 25 miles/hour 21 mile/hour 6 Bft | 100%. 10/10. 8 oktas | 1000-1500 3281-4921 | 16.0 9.9 | -3.9 25 | |||||||||||||||||
00 | 4.4 40 | 732.9 28.85 977.12 977.12 | 751.0 29.57 1001.25 1001.25 | 0.3 0.01 0.4 0.4 | 70 | 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 | 5.6 42 | 1500-2000 4921-6562 | 16.0 9.9 | -0.6 31 | |||||||||||||||||