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 February 2, Monday | 15 | -3.3 26 | 746.1 29.37 994.72 994.72 | 764.8 30.11 1019.65 1019.65 | 0.0 0 0 0 | 78 | Wind blowing from the west-northwest | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 100%. 10/10. 8 oktas | Continuous fall of snowflakes, slight at time of observation. | 600-1000 1968-3281 | 12.0 7.5 | -6.7 20 | Trace of precipitation Trace of precipitation | 3 | ||||||||||||||
12 | -3.3 26 | 746.1 29.37 994.72 994.72 | 764.8 30.11 1019.65 1019.65 | 0.0 0 0 0 | 78 | Wind blowing from the west-northwest | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 100%. 10/10. 8 oktas | Continuous fall of snowflakes, slight at time of observation. | -5.6 22 | -2.8 27 | 300-600 984-1968 | 4.8 3.0 | -6.7 20 | Trace of precipitation Trace of precipitation | 6 | |||||||||||||
09 | -4.4 24 | 746.1 29.37 994.72 994.72 | 764.6 30.1 1019.38 1019.38 | 0.8 0.03 1.07 1.07 | 88 | 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 | Mist. | 100-200 328-656 | 8.0 5.0 | -6.1 21 | Trace of precipitation Trace of precipitation | 3 | |||||||||||||||
06 | -5.6 22 | 745.3 29.34 993.65 993.65 | 764.1 30.08 1018.72 1018.72 | -0.3 -0.01 -0.4 -0.4 | 89 | 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 | Mist. | -5.6 22 | -2.2 28 | 100-200 328-656 | 9.0 5.6 | -7.2 19 | Trace of precipitation Trace of precipitation | 6 | |||||||||||||
03 | -5.6 22 | 745.6 29.35 994.05 994.05 | 764.1 30.08 1018.72 1018.72 | -0.2 -0.01 -0.27 -0.27 | 85 | Wind blowing from the south-west | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 100%. 10/10. 8 oktas | 200-300 656-984 | 11.0 6.8 | -7.8 18 | Trace of precipitation Trace of precipitation | 3 | ||||||||||||||||
00 | -5.6 22 | 745.8 29.36 994.32 994.32 | 764.5 30.1 1019.25 1019.25 | -0.7 -0.03 -0.93 -0.93 | 75 | Wind blowing from the south-west | 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 | 100%. 10/10. 8 oktas | Continuous fall of snowflakes, slight at time of observation. | -3.9 25 | 300-600 984-1968 | 11.0 6.8 | -9.4 15 | Trace of precipitation Trace of precipitation | 6 | |||||||||||||
| February 1, Sunday | 21 | -5.0 23 | 746.5 29.39 995.25 995.25 | 765.5 30.14 1020.58 1020.58 | -0.8 -0.03 -1.07 -1.07 | 65 | Wind blowing from the south-southwest | 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 | 100%. 10/10. 8 oktas | 1000-1500 3281-4921 | 16.0 9.9 | -10.6 13 | ||||||||||||||||
18 | -3.9 25 | 747.3 29.42 996.32 996.32 | 766.2 30.17 1021.52 1021.52 | -0.5 -0.02 -0.67 -0.67 | 60 | Wind blowing from the south | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | -12.8 9 | -2.2 28 | 1000-1500 3281-4921 | 16.0 9.9 | -10.6 13 | ||||||||||||||||
15 | -2.8 27 | 747.8 29.44 996.98 996.98 | 766.6 30.18 1022.05 1022.05 | -2.3 -0.09 -3.07 -3.07 | 51 | Wind blowing from the south-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 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | -11.7 11 | |||||||||||||||||