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 January 3, Saturday | 15 | -3.3 26 | 744.8 29.32 992.99 992.99 | 763.3 30.05 1017.65 1017.65 | -0.8 -0.03 -1.07 -1.07 | 35 | Wind blowing from the west | 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 | -16.7 2 | |||||||||||||||||
12 | -4.4 24 | 745.6 29.35 994.05 994.05 | 764.2 30.09 1018.85 1018.85 | -0.2 -0.01 -0.27 -0.27 | 46 | Wind blowing from the west | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 100%. 10/10. 8 oktas | -6.7 20 | -4.4 24 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | -14.4 6 | ||||||||||||||||
09 | -6.1 21 | 745.8 29.36 994.32 994.32 | 764.5 30.1 1019.25 1019.25 | 1.0 0.04 1.33 1.33 | 52 | Wind blowing from the west-northwest | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 100%. 10/10. 8 oktas | 2000-2500 6562-8202 | 16.0 9.9 | -14.4 6 | ||||||||||||||||||
06 | -6.1 21 | 744.8 29.32 992.99 992.99 | 763.5 30.06 1017.92 1017.92 | 0.0 0 0 0 | 52 | Wind blowing from the north | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 100%. 10/10. 8 oktas | -7.2 19 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | -14.4 6 | |||||||||||||||||
03 | -6.7 20 | 744.8 29.32 992.99 992.99 | 763.5 30.06 1017.92 1017.92 | 0.4 0.02 0.53 0.53 | 50 | Wind blowing from the north-west | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 100%. 10/10. 8 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | -15.6 4 | ||||||||||||||||||
00 | -6.7 20 | 744.4 29.31 992.45 992.45 | 763.0 30.04 1017.25 1017.25 | 0.0 0 0 0 | 52 | Wind blowing from the north-west | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 100%. 10/10. 8 oktas | -7.2 19 | -6.1 21 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | -15.0 5 | ||||||||||||||||
| January 2, Friday | 21 | -7.2 19 | 744.4 29.31 992.45 992.45 | 763.0 30.04 1017.25 1017.25 | 0.8 0.03 1.07 1.07 | 59 | Wind blowing from the west-northwest | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 100%. 10/10. 8 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | -13.9 7 | |||||||||||||||||
18 | -6.7 20 | 743.6 29.28 991.39 991.39 | 762.3 30.01 1016.32 1016.32 | 1.0 0.04 1.33 1.33 | 57 | Wind blowing from the north-west | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | -6.7 20 | -4.4 24 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | -13.9 7 | ||||||||||||||||
15 | -4.4 24 | 742.6 29.24 990.05 990.05 | 761.2 29.97 1014.85 1014.85 | -0.5 -0.02 -0.67 -0.67 | 44 | Wind blowing from the north-northwest | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 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 | -15.0 5 | ||||||||||||||||||