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 December 26, Friday | 06 | 4.4 40 | 736.1 28.98 981.39 981.39 | 754.2 29.69 1005.52 1005.52 | -2.0 -0.08 -2.67 -2.67 | 97 | Wind blowing from the south | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 100%. 10/10. 8 oktas | Drizzle, not freezing, continuous, slight at time of observation. | 4.4 40 | 6.1 43 | 50-100 164-328 | 1.6 1.0 | 3.9 39 | Trace of precipitation Trace of precipitation | 6 | ||||||||||||
03 | 4.4 40 | 738.1 29.06 984.05 984.05 | 756.2 29.77 1008.18 1008.18 | -2.7 -0.11 -3.6 -3.6 | 83 | Wind blowing from the south-east | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 100%. 10/10. 8 oktas | 200-300 656-984 | 12.0 7.5 | 1.7 35 | Trace of precipitation Trace of precipitation | 3 | ||||||||||||||||
00 | 5.0 41 | 740.8 29.17 987.65 987.65 | 759.1 29.89 1012.05 1012.05 | -3.0 -0.12 -4 -4 | 60 | Wind blowing from the south-east | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 100%. 10/10. 8 oktas | 6.1 43 | 300-600 984-1968 | 16.0 9.9 | -2.2 28 | |||||||||||||||||
| December 25, Thursday | 21 | 5.6 42 | 743.8 29.28 991.65 991.65 | 762.0 30 1015.92 1015.92 | -1.8 -0.07 -2.4 -2.4 | 60 | Wind blowing from the east-southeast | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | 11 m/s 40 km/h 25 miles/hour 21 mile/hour 6 Bft | 100%. 10/10. 8 oktas | 600-1000 1968-3281 | 16.0 9.9 | -1.7 29 | ||||||||||||||||
18 | 5.0 41 | 745.6 29.35 994.05 994.05 | 763.9 30.07 1018.45 1018.45 | -1.2 -0.05 -1.6 -1.6 | 70 | Wind blowing from the east | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 100%. 10/10. 8 oktas | 2.2 36 | 5.6 42 | 600-1000 1968-3281 | 16.0 9.9 | 0.0 32 | ||||||||||||||||
15 | 4.4 40 | 746.8 29.4 995.65 995.65 | 765.1 30.12 1020.05 1020.05 | -0.8 -0.03 -1.07 -1.07 | 77 | Wind blowing from the north-east | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 100%. 10/10. 8 oktas | 300-600 984-1968 | 16.0 9.9 | 0.6 33 | ||||||||||||||||||
12 | 5.6 42 | 747.6 29.43 996.72 996.72 | 765.9 30.15 1021.12 1021.12 | -1.0 -0.04 -1.33 -1.33 | 71 | Wind blowing from the east-northeast | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 100%. 10/10. 8 oktas | 5.6 42 | 300-600 984-1968 | 16.0 9.9 | 0.6 33 | |||||||||||||||||
09 | 4.4 40 | 748.6 29.47 998.05 998.05 | 766.9 30.19 1022.45 1022.45 | 1.8 0.07 2.4 2.4 | 86 | Wind blowing from the north-east | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 100%. 10/10. 8 oktas | Mist. | 200-300 656-984 | 8.0 5.0 | 2.2 36 | |||||||||||||||||
06 | 4.4 40 | 746.8 29.4 995.65 995.65 | 765.0 30.12 1019.92 1019.92 | 0.7 0.03 0.93 0.93 | 77 | Wind blowing from the north-northeast | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | 2.2 36 | 9.4 49 | 600-1000 1968-3281 | 12.0 7.5 | 0.6 33 | ||||||||||||||||