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 July 3, Friday | 04 | 21.7 71 | 744.1 29.3 992.05 992.05 | 761.4 29.98 1015.12 1015.12 | -2.4 -0.09 -3.2 -3.2 | 96 | Wind blowing from the south | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 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 | 21.1 70 | 4.0 0.16 | 3 | |||||||||||||||
01 | 21.7 71 | 746.5 29.39 995.25 995.25 | 764.0 30.08 1018.58 1018.58 | 1.4 0.06 1.87 1.87 | 94 | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 100%. 10/10. 8 oktas | Mist. | 21.7 71 | 33.3 92 | 1000-1500 3281-4921 | 4.8 3.0 | 20.6 69 | 41.0 1.61 | 6 | ||||||||||||||
| July 2, Thursday | 22 | 25.6 78 | 745.1 29.33 993.39 993.39 | 762.6 30.02 1016.72 1016.72 | 1.3 0.05 1.73 1.73 | 74 | Wind blowing from the west-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 | Thunderstorm, slight or moderate, without hail, but with rain and/or snow at time of observation. | 1000-1500 3281-4921 | 16.0 9.9 | 20.6 69 | Trace of precipitation Trace of precipitation | 3 | |||||||||||||
19 | 33.3 92 | 743.8 29.28 991.65 991.65 | 761.2 29.97 1014.85 1014.85 | -0.6 -0.02 -0.8 -0.8 | 49 | Wind blowing from the south-west | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 10 m/s 36 km/h 22 mph 19 knots 5 Bft | 50%. 5/10. 4 oktas | 25.6 78 | 35.0 95 | 1500-2000 4921-6562 | 16.0 9.9 | 21.1 70 | |||||||||||||||
16 | 34.4 94 | 744.4 29.31 992.45 992.45 | 761.6 29.98 1015.38 1015.38 | -1.2 -0.05 -1.6 -1.6 | 41 | Wind blowing from the south-southwest | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 10 m/s 36 km/h 22 mph 19 knots 5 Bft | 70 – 80%. 7/10 – 8/10. 6 oktas | 1500-2000 4921-6562 | 16.0 9.9 | 19.4 67 | |||||||||||||||||
13 | 32.2 90 | 745.6 29.35 994.05 994.05 | 763.0 30.04 1017.25 1017.25 | 0.0 0 0 0 | 58 | Wind blowing from the south-east | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | 26.1 79 | 32.2 90 | 1000-1500 3281-4921 | 16.0 9.9 | 22.8 73 | ||||||||||||||||
10 | 27.8 82 | 745.6 29.35 994.05 994.05 | 762.9 30.04 1017.12 1017.12 | 0.8 0.03 1.07 1.07 | 58 | Wind blowing from the east | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | 600-1000 1968-3281 | 16.0 9.9 | 18.9 66 | ||||||||||||||||||
07 | 26.7 80 | 744.8 29.32 992.99 992.99 | 762.1 30 1016.05 1016.05 | 0.7 0.03 0.93 0.93 | 82 | Wind blowing from the south-west | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 20–30%. 2/10–3/10. 2 oktas | 25.6 78 | 35.0 95 | 1000-1500 3281-4921 | 16.0 9.9 | 23.3 74 | ||||||||||||||||
04 | 26.7 80 | 744.1 29.3 992.05 992.05 | 761.5 29.98 1015.25 1015.25 | 0.5 0.02 0.67 0.67 | 79 | Wind blowing from the south-southwest | 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 | 22.8 73 | |||||||||||||||||||