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 September 15, Monday | 07 | 18.9 66 | 748.0 29.45 997.25 997.25 | 765.9 30.15 1021.12 1021.12 | 0.7 0.03 0.93 0.93 | 73 | Wind blowing from the east | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | no clouds no clouds no clouds | 18.3 65 | 27.8 82 | 16.0 9.9 | 13.9 57 | ||||||||||||||||
04 | 18.9 66 | 747.3 29.42 996.32 996.32 | 764.8 30.11 1019.65 1019.65 | 0.5 0.02 0.67 0.67 | 73 | Wind blowing from the south-east | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | no clouds no clouds no clouds | 16.0 9.9 | 13.9 57 | |||||||||||||||||||
01 | 20.6 69 | 746.8 29.4 995.65 995.65 | 764.5 30.1 1019.25 1019.25 | 0.5 0.02 0.67 0.67 | 73 | Wind blowing from the east-southeast | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | no clouds no clouds no clouds | 17.8 64 | 25.0 77 | 16.0 9.9 | 15.6 60 | |||||||||||||||||
| September 14, Sunday | 22 | 22.2 72 | 746.3 29.38 994.99 994.99 | 763.9 30.07 1018.45 1018.45 | 1.0 0.04 1.33 1.33 | 68 | Wind blowing from the east-northeast | 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 | 16.1 61 | ||||||||||||||||||
19 | 25.0 77 | 745.3 29.34 993.65 993.65 | 763.0 30.04 1017.25 1017.25 | 0.2 0.01 0.27 0.27 | 52 | Wind blowing from the east-northeast | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | no clouds no clouds no clouds | 17.8 64 | 27.8 82 | 16.0 9.9 | 14.4 58 | |||||||||||||||||
16 | 27.2 81 | 745.1 29.33 993.39 993.39 | 762.6 30.02 1016.72 1016.72 | 0.0 0 0 0 | 57 | Wind blowing from the east-northeast | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | no clouds no clouds no clouds | 16.0 9.9 | 17.8 64 | |||||||||||||||||||
13 | 26.7 80 | 745.1 29.33 993.39 993.39 | 762.7 30.03 1016.85 1016.85 | 0.0 0 0 0 | 58 | Wind blowing from the east | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | no clouds no clouds no clouds | 19.4 67 | 26.7 80 | 16.0 9.9 | 17.8 64 | |||||||||||||||||
10 | 22.8 73 | 745.1 29.33 993.39 993.39 | 762.7 30.03 1016.85 1016.85 | 0.5 0.02 0.67 0.67 | 71 | Wind blowing from the east | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | no clouds no clouds no clouds | 16.0 9.9 | 17.2 63 | |||||||||||||||||||
07 | 19.4 67 | 744.6 29.31 992.72 992.72 | 762.3 30.01 1016.32 1016.32 | 0.8 0.03 1.07 1.07 | 91 | Wind blowing from the east-northeast | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | no clouds no clouds no clouds | Mist. | 17.8 64 | 25.6 78 | 8.0 5.0 | 17.8 64 | ||||||||||||||||