Weather archive in Chicago / O'Hare (airport), METAR
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| Date / Local time | T | Po | P | U | DD | Ff | ff10 | WW | W'W' | c | VV | Td | |
| 2026 July 27, Monday | 06:02 | 26 79 | 740.7 29.16 987.52 987.52 | 758.2 29.85 1010.85 1010.85 | 94 | Wind blowing from the south-west | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | Mist | Overcast (100%) 120 m394 feet Overcast (10/10) 120 m394 feet Overcast (8 oktas) 120 m394 feet | 4.0 2.5 | 25 77 | ||
05:51 | 26 79 | 740.7 29.16 987.52 987.52 | 758.2 29.85 1010.85 1010.85 | 94 | Wind blowing from the south-southwest | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | Mist | Overcast (100%) 150 m492 feet Overcast (10/10) 150 m492 feet Overcast (8 oktas) 150 m492 feet | 4.0 2.5 | 25 77 | |||
05:41 | 27 81 | 740.8 29.17 987.65 987.65 | 758.2 29.85 1010.85 1010.85 | 89 | Wind blowing from the west-southwest | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | Mist | Overcast (100%) 150 m492 feet Overcast (10/10) 150 m492 feet Overcast (8 oktas) 150 m492 feet | 4.8 3.0 | 25 77 | |||
04:51 | 27 81 | 740.3 29.15 986.99 986.99 | 757.7 29.83 1010.18 1010.18 | 89 | Wind blowing from the south-west | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | Mist | Overcast (100%) 180 m590 feet Overcast (10/10) 180 m590 feet Overcast (8 oktas) 180 m590 feet | 8.0 5.0 | 25 77 | |||
04:30 | 27 81 | 740.5 29.15 987.25 987.25 | 757.9 29.84 1010.45 1010.45 | 89 | Wind blowing from the south-west | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | Mist | Overcast (100%) 180 m590 feet Overcast (10/10) 180 m590 feet Overcast (8 oktas) 180 m590 feet | 8.0 5.0 | 25 77 | |||
03:51 | 26 79 | 740.3 29.15 986.99 986.99 | 757.7 29.83 1010.18 1010.18 | 94 | Wind blowing from the south-west | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | Mist | Overcast (100%) 150 m492 feet Overcast (10/10) 150 m492 feet Overcast (8 oktas) 150 m492 feet | 6.4 4.0 | 25 77 | |||
03:14 | 26 79 | 740.3 29.15 986.99 986.99 | 757.7 29.83 1010.18 1010.18 | 94 | Wind blowing from the south-west | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | Mist | Overcast (100%) 150 m492 feet Overcast (10/10) 150 m492 feet Overcast (8 oktas) 150 m492 feet | 6.4 4.0 | 25 77 | |||
02:51 | 26 79 | 740.3 29.15 986.99 986.99 | 757.7 29.83 1010.18 1010.18 | 94 | Wind blowing from the south-west | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | Mist | Broken clouds (60-90%) 120 m394 feet, overcast (100%) 7500 m24600 feet Broken clouds (6/10-9/10) 120 m394 feet, overcast (10/10) 7500 m24600 feet Broken clouds (5-7 oktas) 120 m394 feet, overcast (8 oktas) 7500 m24600 feet | 8.0 5.0 | 25 77 | |||
02:45 | 26 79 | 740.3 29.15 986.99 986.99 | 757.7 29.83 1010.18 1010.18 | 94 | Wind blowing from the south-west | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | Mist | Broken clouds (60-90%) 120 m394 feet, overcast (100%) 7500 m24600 feet Broken clouds (6/10-9/10) 120 m394 feet, overcast (10/10) 7500 m24600 feet Broken clouds (5-7 oktas) 120 m394 feet, overcast (8 oktas) 7500 m24600 feet | 8.0 5.0 | 25 77 | |||
01:51 | 26 79 | 740.0 29.13 986.59 986.59 | 757.4 29.82 1009.78 1009.78 | 94 | Wind blowing from the south-southwest | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | Mist | Broken clouds (60-90%) 210 m689 feet, broken clouds (60-90%) 7500 m24600 feet Broken clouds (6/10-9/10) 210 m689 feet, broken clouds (6/10-9/10) 7500 m24600 feet Broken clouds (5-7 oktas) 210 m689 feet, broken clouds (5-7 oktas) 7500 m24600 feet | 9.6 6.0 | 25 77 | |||
01:23 | 27 81 | 740.3 29.15 986.99 986.99 | 757.7 29.83 1010.18 1010.18 | 89 | Wind blowing from the south-southwest | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | Few clouds (10-30%) 210 m689 feet, few clouds (10-30%) 7500 m24600 feet Few clouds (1/10-3/10) 210 m689 feet, few clouds (1/10-3/10) 7500 m24600 feet Few clouds (1-2 oktas) 210 m689 feet, few clouds (1-2 oktas) 7500 m24600 feet | 11.2 7.0 | 25 77 | ||||
00:51 | 27 81 | 740.3 29.15 986.99 986.99 | 757.7 29.83 1010.18 1010.18 | 89 | Wind blowing from the south | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | Few clouds (10-30%) 7500 m24600 feet Few clouds (1/10-3/10) 7500 m24600 feet Few clouds (1-2 oktas) 7500 m24600 feet | 12.8 8.0 | 25 77 | ||||
| July 26, Sunday | 23:51 | 27 81 | 740.5 29.15 987.25 987.25 | 757.9 29.84 1010.45 1010.45 | 89 | Wind blowing from the south-southwest | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | Few clouds (10-30%) 7500 m24600 feet Few clouds (1/10-3/10) 7500 m24600 feet Few clouds (1-2 oktas) 7500 m24600 feet | 14.4 9.0 | 25 77 | |||
22:51 | 28 82 | 740.9 29.17 987.79 987.79 | 758.2 29.85 1010.85 1010.85 | 84 | Wind blowing from the south-west | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | Few clouds (10-30%) 1050 m3444 feet, few clouds (10-30%) 7500 m24600 feet Few clouds (1/10-3/10) 1050 m3444 feet, few clouds (1/10-3/10) 7500 m24600 feet Few clouds (1-2 oktas) 1050 m3444 feet, few clouds (1-2 oktas) 7500 m24600 feet | 16.0 9.9 | 25 77 | ||||
21:51 | 29 84 | 740.9 29.17 987.79 987.79 | 758.2 29.85 1010.85 1010.85 | 79 | Wind blowing from the south-west | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | Few clouds (10-30%) 1350 m4428 feet, few clouds (10-30%) 7500 m24600 feet Few clouds (1/10-3/10) 1350 m4428 feet, few clouds (1/10-3/10) 7500 m24600 feet Few clouds (1-2 oktas) 1350 m4428 feet, few clouds (1-2 oktas) 7500 m24600 feet | 16.0 9.9 | 25 77 | ||||
20:51 | 29 84 | 740.6 29.16 987.39 987.39 | 757.9 29.84 1010.45 1010.45 | 74 | Wind blowing from the south-west | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | Few clouds (10-30%) 1350 m4428 feet, few clouds (10-30%) 7500 m24600 feet Few clouds (1/10-3/10) 1350 m4428 feet, few clouds (1/10-3/10) 7500 m24600 feet Few clouds (1-2 oktas) 1350 m4428 feet, few clouds (1-2 oktas) 7500 m24600 feet | 16.0 9.9 | 24 75 | ||||
19:51 | 31 88 | 740.7 29.16 987.52 987.52 | 757.9 29.84 1010.45 1010.45 | 66 | Wind blowing from the south-west | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | Scattered clouds (40-50%) 1410 m4625 feet, broken clouds (60-90%) 7500 m24600 feet Scattered clouds (4/10-5/10) 1410 m4625 feet, broken clouds (6/10-9/10) 7500 m24600 feet Scattered clouds (3-4 oktas) 1410 m4625 feet, broken clouds (5-7 oktas) 7500 m24600 feet | 16.0 9.9 | 24 75 | ||||
18:51 | 32 90 | 740.8 29.17 987.65 987.65 | 757.9 29.84 1010.45 1010.45 | 59 | Wind blowing from the west-southwest | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | Scattered clouds (40-50%) 1410 m4625 feet, broken clouds (60-90%) 1650 m5412 feet, broken clouds (60-90%) 7500 m24600 feet Scattered clouds (4/10-5/10) 1410 m4625 feet, broken clouds (6/10-9/10) 1650 m5412 feet, broken clouds (6/10-9/10) 7500 m24600 feet Scattered clouds (3-4 oktas) 1410 m4625 feet, broken clouds (5-7 oktas) 1650 m5412 feet, broken clouds (5-7 oktas) 7500 m24600 feet | 16.0 9.9 | 23 73 | ||||
17:51 | 33 91 | 740.8 29.17 987.65 987.65 | 757.9 29.84 1010.45 1010.45 | 52 | Wind blowing from the south-west | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | Broken clouds (60-90%) 1350 m4428 feet, broken clouds (60-90%) 1650 m5412 feet, broken clouds (60-90%) 7500 m24600 feet Broken clouds (6/10-9/10) 1350 m4428 feet, broken clouds (6/10-9/10) 1650 m5412 feet, broken clouds (6/10-9/10) 7500 m24600 feet Broken clouds (5-7 oktas) 1350 m4428 feet, broken clouds (5-7 oktas) 1650 m5412 feet, broken clouds (5-7 oktas) 7500 m24600 feet | 16.0 9.9 | 22 72 | ||||
16:51 | 33 91 | 741.1 29.18 988.05 988.05 | 758.2 29.85 1010.85 1010.85 | 52 | Wind blowing from the west | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | Broken clouds (60-90%) 1440 m4723 feet, broken clouds (60-90%) 7500 m24600 feet Broken clouds (6/10-9/10) 1440 m4723 feet, broken clouds (6/10-9/10) 7500 m24600 feet Broken clouds (5-7 oktas) 1440 m4723 feet, broken clouds (5-7 oktas) 7500 m24600 feet | 16.0 9.9 | 22 72 | ||||
15:51 | 33 91 | 741.3 29.19 988.32 988.32 | 758.4 29.86 1011.12 1011.12 | 52 | Wind blowing from the south-west | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | Scattered clouds (40-50%) 1500 m4920 feet, scattered clouds (40-50%) 7500 m24600 feet Scattered clouds (4/10-5/10) 1500 m4920 feet, scattered clouds (4/10-5/10) 7500 m24600 feet Scattered clouds (3-4 oktas) 1500 m4920 feet, scattered clouds (3-4 oktas) 7500 m24600 feet | 16.0 9.9 | 22 72 | ||||
14:51 | 32 90 | 741.6 29.2 988.72 988.72 | 758.7 29.87 1011.52 1011.52 | 52 | Wind blowing from the west | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | Scattered clouds (40-50%) 7500 m24600 feet Scattered clouds (4/10-5/10) 7500 m24600 feet Scattered clouds (3-4 oktas) 7500 m24600 feet | 16.0 9.9 | 21 70 | ||||
13:51 | 32 90 | 741.9 29.21 989.12 989.12 | 759.0 29.88 1011.92 1011.92 | 52 | Wind blowing from the south-west | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | Broken clouds (60-90%) 1290 m4231 foot, broken clouds (60-90%) 7500 m24600 feet Broken clouds (6/10-9/10) 1290 m4231 foot, broken clouds (6/10-9/10) 7500 m24600 feet Broken clouds (5-7 oktas) 1290 m4231 foot, broken clouds (5-7 oktas) 7500 m24600 feet | 16.0 9.9 | 21 70 | ||||
12:51 | 31 88 | 742.5 29.23 989.92 989.92 | 759.7 29.91 1012.85 1012.85 | 55 | Wind blowing from the west | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | Broken clouds (60-90%) 1140 m3739 feet, broken clouds (60-90%) 7500 m24600 feet Broken clouds (6/10-9/10) 1140 m3739 feet, broken clouds (6/10-9/10) 7500 m24600 feet Broken clouds (5-7 oktas) 1140 m3739 feet, broken clouds (5-7 oktas) 7500 m24600 feet | 16.0 9.9 | 21 70 | ||||
11:51 | 31 88 | 742.3 29.22 989.65 989.65 | 759.5 29.9 1012.58 1012.58 | 59 | Wind blowing from the south | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | Scattered clouds (40-50%) 900 m2952 feet, broken clouds (60-90%) 7500 m24600 feet Scattered clouds (4/10-5/10) 900 m2952 feet, broken clouds (6/10-9/10) 7500 m24600 feet Scattered clouds (3-4 oktas) 900 m2952 feet, broken clouds (5-7 oktas) 7500 m24600 feet | 16.0 9.9 | 22 72 | ||||
10:51 | 29 84 | 742.4 29.23 989.79 989.79 | 759.7 29.91 1012.85 1012.85 | 66 | Wind blowing from the west-southwest | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | Few clouds (10-30%) 900 m2952 feet, few clouds (10-30%) 1350 m4428 feet, broken clouds (60-90%) 7500 m24600 feet Few clouds (1/10-3/10) 900 m2952 feet, few clouds (1/10-3/10) 1350 m4428 feet, broken clouds (6/10-9/10) 7500 m24600 feet Few clouds (1-2 oktas) 900 m2952 feet, few clouds (1-2 oktas) 1350 m4428 feet, broken clouds (5-7 oktas) 7500 m24600 feet | 16.0 9.9 | 22 72 | ||||
09:51 | 27 81 | 742.6 29.24 990.05 990.05 | 760.0 29.92 1013.25 1013.25 | 74 | Variable wind direction | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | Few clouds (10-30%) 1350 m4428 feet, broken clouds (60-90%) 7500 m24600 feet Few clouds (1/10-3/10) 1350 m4428 feet, broken clouds (6/10-9/10) 7500 m24600 feet Few clouds (1-2 oktas) 1350 m4428 feet, broken clouds (5-7 oktas) 7500 m24600 feet | 16.0 9.9 | 22 72 | ||||
08:51 | 26 79 | 742.5 29.23 989.92 989.92 | 760.0 29.92 1013.25 1013.25 | 79 | Wind blowing from the west | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | Scattered clouds (40-50%) 1350 m4428 feet, broken clouds (60-90%) 7500 m24600 feet Scattered clouds (4/10-5/10) 1350 m4428 feet, broken clouds (6/10-9/10) 7500 m24600 feet Scattered clouds (3-4 oktas) 1350 m4428 feet, broken clouds (5-7 oktas) 7500 m24600 feet | 16.0 9.9 | 22 72 | ||||
07:51 | 24 75 | 742.1 29.22 989.39 989.39 | 759.7 29.91 1012.85 1012.85 | 89 | Wind blowing from the south-west | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | Few clouds (10-30%) 1350 m4428 feet, broken clouds (60-90%) 7500 m24600 feet Few clouds (1/10-3/10) 1350 m4428 feet, broken clouds (6/10-9/10) 7500 m24600 feet Few clouds (1-2 oktas) 1350 m4428 feet, broken clouds (5-7 oktas) 7500 m24600 feet | 12.8 8.0 | 22 72 | ||||
06:51 | 23 73 | 742.3 29.22 989.65 989.65 | 760.0 29.92 1013.25 1013.25 | 89 | Wind blowing from the south-west | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | Mist | Few clouds (10-30%) 210 m689 feet, broken clouds (60-90%) 1350 m4428 feet, overcast (100%) 7500 m24600 feet Few clouds (1/10-3/10) 210 m689 feet, broken clouds (6/10-9/10) 1350 m4428 feet, overcast (10/10) 7500 m24600 feet Few clouds (1-2 oktas) 210 m689 feet, broken clouds (5-7 oktas) 1350 m4428 feet, overcast (8 oktas) 7500 m24600 feet | 9.6 6.0 | 21 70 | |||