Weather observations for the past three days for
Chicago, Chicago-O'Hare International Airport
| Date | Time (cdt) | Wind (kph) | Vis. (km) | Weather | Sky Cond. | Temperature (ºC) | Relative Humidity | Wind Chill (°C) | Heat Index (°C) | Pressure | Precipitation (cm) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Air | Dwpt | 6 hour | altimeter (cm) | sea level (mb) | 1 hr | 3 hr | 6 hr | ||||||||||
| Max. | Min. | ||||||||||||||||
| 19 | 09:51 | SW 6 | 16.09 | Fair | CLR | 12.8 | 3.9 | 55% | 77.24 | 1029.9 | |||||||
| 19 | 08:51 | S 6 | 16.09 | Fair | CLR | 10.6 | 3.9 | 64% | 77.24 | 1029.8 | |||||||
| 19 | 07:51 | S 6 | 16.09 | Fair | CLR | 7.2 | 2.8 | 74% | 77.22 | 1029.5 | |||||||
| 19 | 06:51 | S 6 | 16.09 | Fair | CLR | 6.1 | 3.3 | 10 | 6.1 | 82% | 77.22 | 1029.5 | |||||
| 19 | 05:51 | Calm | 16.09 | Fair | CLR | 6.7 | 2.8 | 76% | 77.22 | 1029.6 | |||||||
| 19 | 04:51 | Calm | 16.09 | Fair | CLR | 6.7 | 2.8 | 76% | 77.17 | 1029.0 | |||||||
| 19 | 03:51 | SW 6 | 16.09 | Fair | CLR | 7.8 | 2.8 | 71% | 77.14 | 1028.6 | |||||||
| 19 | 02:51 | SW 7 | 16.09 | Fair | CLR | 8.9 | 2.8 | 66% | 8 | 77.14 | 1028.6 | ||||||
| 19 | 01:51 | SW 9 | 16.09 | Fair | CLR | 10 | 2.2 | 59% | 9 | 77.14 | 1028.4 | ||||||
| 19 | 00:51 | S 11 | 16.09 | Fair | CLR | 10 | 2.2 | 13.9 | 9.4 | 59% | 9 | 77.11 | 1028.2 | ||||
| 18 | 23:51 | S 11 | 16.09 | Fair | CLR | 10 | 2.2 | 59% | 9 | 77.11 | 1028.3 | ||||||
| 18 | 22:51 | S 9 | 16.09 | Fair | CLR | 11.1 | 2.2 | 55% | 77.14 | 1028.4 | |||||||
| 18 | 21:51 | S 11 | 16.09 | Fair | CLR | 11.7 | 1.7 | 51% | 77.11 | 1028.1 | |||||||
| 18 | 20:51 | S 13 | 16.09 | Fair | CLR | 12.2 | 1.7 | 49% | 77.11 | 1028.2 | |||||||
| 18 | 19:51 | S 15 | 16.09 | Fair | CLR | 12.8 | 1.7 | 47% | 77.11 | 1028.2 | |||||||
| 18 | 18:51 | S 13 | 16.09 | Fair | CLR | 13.9 | 1.1 | 17.2 | 13.9 | 42% | 77.09 | 1027.9 | |||||
| 18 | 17:51 | S 13 G 31 | 16.09 | Fair | CLR | 16.1 | 0 | 34% | 77.06 | 1027.7 | |||||||
| 18 | 16:51 | S 15 G 33 | 16.09 | Fair | CLR | 17.2 | 0.6 | 33% | 77.06 | 1027.6 | |||||||
| 18 | 15:51 | S 20 G 35 | 16.09 | Fair | CLR | 17.2 | 1.1 | 34% | 77.06 | 1027.7 | |||||||
| 18 | 14:51 | SW 26 G 37 | 16.09 | Fair | CLR | 16.7 | 1.7 | 37% | 77.11 | 1028.2 | |||||||
| 18 | 13:51 | S 22 G 33 | 16.09 | A Few Clouds | FEW025 | 16.1 | 1.1 | 36% | 77.17 | 1029.0 | |||||||
| 18 | 12:51 | SW 20 G 35 | 16.09 | Fair | CLR | 15 | 1.7 | 15 | 5.6 | 41% | 77.27 | 1030.2 | |||||
| 18 | 11:51 | SW 26 G 39 | 16.09 | Fair | CLR | 13.9 | 0.6 | 41% | 77.29 | 1030.7 | |||||||
| 18 | 10:51 | S 24 G 35 | 16.09 | Fair | CLR | 13.3 | 1.1 | 44% | 77.34 | 1031.2 | |||||||
| 18 | 09:51 | SW 17 G 33 | 16.09 | Fair | CLR | 11.1 | 0.6 | 49% | 77.34 | 1031.5 | |||||||
| 18 | 08:51 | S 19 G 30 | 16.09 | A Few Clouds | FEW250 | 8.9 | -0.6 | 52% | 6 | 77.34 | 1031.6 | ||||||
| 18 | 07:51 | S 13 | 16.09 | A Few Clouds | FEW250 | 6.1 | 0 | 65% | 4 | 77.34 | 1031.5 | ||||||
| 18 | 06:51 | S 9 | 16.09 | A Few Clouds | FEW250 | 6.1 | 0.6 | 7.2 | 6.1 | 68% | 4 | 77.34 | 1031.4 | ||||
| 18 | 05:51 | SW 15 | 16.09 | Fair | CLR | 6.7 | 1.1 | 68% | 4 | 77.32 | 1031.0 | ||||||
| 18 | 04:51 | SW 9 | 16.09 | Fair | CLR | 6.7 | 1.1 | 68% | 5 | 77.29 | 1030.6 | ||||||
| 18 | 03:51 | S 11 | 16.09 | Fair | CLR | 7.2 | 1.1 | 66% | 5 | 77.24 | 1030.1 | ||||||
| 18 | 02:51 | S 11 | 16.09 | Fair | CLR | 6.7 | 1.7 | 71% | 5 | 77.24 | 1030.1 | ||||||
| 18 | 01:51 | S 9 | 16.09 | Fair | CLR | 7.2 | 1.7 | 68% | 6 | 77.24 | 1030.1 | ||||||
| 18 | 00:51 | S 17 | 16.09 | Fair | CLR | 7.2 | 2.2 | 11.1 | 7.2 | 71% | 5 | 77.24 | 1030.1 | ||||
| 17 | 23:51 | S 17 | 16.09 | Fair | CLR | 7.2 | 2.2 | 71% | 5 | 77.27 | 1030.3 | ||||||
| 17 | 22:51 | S 15 | 16.09 | Fair | CLR | 7.8 | 2.2 | 68% | 6 | 77.29 | 1030.8 | ||||||
| 17 | 21:51 | SW 15 | 16.09 | Fair | CLR | 8.3 | 2.2 | 66% | 6 | 77.29 | 1030.7 | ||||||
| 17 | 20:51 | SW 11 | 16.09 | Fair | CLR | 9.4 | 2.2 | 61% | 8 | 77.29 | 1030.8 | ||||||
| 17 | 19:51 | S 15 | 16.09 | Fair | CLR | 10 | 2.2 | 59% | 8 | 77.29 | 1030.9 | ||||||
| 17 | 18:51 | S 15 | 16.09 | Fair | CLR | 11.1 | 1.7 | 13.9 | 11.1 | 53% | 77.27 | 1030.6 | |||||
| 17 | 17:51 | SW 17 | 16.09 | Fair | CLR | 12.2 | 1.1 | 47% | 77.29 | 1030.6 | |||||||
| 17 | 16:51 | S 17 | 16.09 | Fair | CLR | 13.3 | 1.1 | 44% | 77.29 | 1030.7 | |||||||
| 17 | 15:51 | SW 20 | 16.09 | Fair | CLR | 13.3 | 1.1 | 44% | 77.32 | 1030.9 | |||||||
| 17 | 14:51 | Vrbl 9 | 16.09 | A Few Clouds | FEW035 | 13.3 | 2.2 | 47% | 77.34 | 1031.5 | |||||||
| 17 | 13:51 | SW 13 | 16.09 | A Few Clouds | FEW035 | 12.8 | 1.7 | 47% | 77.42 | 1032.5 | |||||||
| 17 | 12:51 | Vrbl 11 | 16.09 | A Few Clouds | FEW030 | 12.2 | 2.2 | 12.2 | 3.9 | 51% | 77.5 | 1033.4 | |||||
| 17 | 11:51 | Vrbl 6 | 16.09 | A Few Clouds | FEW030 | 11.1 | 2.8 | 57% | 77.55 | 1034.0 | |||||||
| 17 | 10:51 | Calm | 16.09 | A Few Clouds | FEW040 | 10 | 2.2 | 59% | 77.55 | 1034.3 | |||||||
| 17 | 09:51 | Calm | 16.09 | A Few Clouds | FEW040 | 8.3 | 0 | 56% | 77.57 | 1034.4 | |||||||
| 17 | 08:51 | Calm | 16.09 | Mostly Cloudy | FEW033 BKN041 | 6.7 | -0.6 | 60% | 77.55 | 1034.3 | |||||||
| 17 | 07:51 | Calm | 16.09 | Partly Cloudy | SCT034 SCT042 | 3.9 | -1.1 | 70% | 77.5 | 1033.4 | |||||||
| 17 | 06:51 | NW 9 | 16.09 | Partly Cloudy | SCT030 SCT040 | 4.4 | -1.7 | 5.6 | 3.9 | 65% | 2 | 77.44 | 1033.0 | ||||
| 17 | 05:51 | NW 15 | 16.09 | A Few Clouds | FEW045 | 4.4 | -2.2 | 63% | 1 | 77.42 | 1032.6 | ||||||
| 17 | 04:51 | NW 19 | 16.09 | A Few Clouds | FEW050 | 4.4 | -2.2 | 63% | 1 | 77.37 | 1031.9 | ||||||
| 17 | 03:51 | NW 17 | 16.09 | A Few Clouds | FEW050 | 4.4 | -1.7 | 65% | 1 | 77.34 | 1031.5 | ||||||
| 17 | 02:51 | N 19 | 16.09 | A Few Clouds | FEW050 | 4.4 | -1.7 | 65% | 1 | 77.34 | 1031.4 | ||||||
| 17 | 01:51 | N 22 G 37 | 16.09 | A Few Clouds | FEW050 | 5 | -1.7 | 62% | 1 | 77.32 | 1031.1 | ||||||
| 17 | 00:51 | N 22 | 16.09 | A Few Clouds | FEW050 | 5.6 | -1.1 | 9.4 | 5.6 | 62% | 2 | 77.29 | 1030.9 | ||||
| 16 | 23:51 | N 19 G 35 | 16.09 | A Few Clouds | FEW050 | 6.1 | 0.6 | 68% | 3 | 77.27 | 1030.3 | ||||||
| 16 | 22:51 | N 26 | 16.09 | A Few Clouds | FEW030 FEW050 | 7.2 | 2.2 | 71% | 4 | 77.22 | 1029.8 | ||||||
| 16 | 21:51 | N 26 | 16.09 | A Few Clouds | FEW045 FEW055 | 7.8 | 2.8 | 71% | 4 | 77.14 | 1028.8 | ||||||
| 16 | 20:51 | N 22 | 16.09 | A Few Clouds | FEW043 FEW055 | 7.8 | 2.8 | 71% | 5 | 77.09 | 1028.0 | ||||||
| 16 | 19:51 | N 20 | 16.09 | A Few Clouds | FEW045 FEW065 | 8.3 | 3.9 | 74% | 5 | 77.01 | 1027.0 | ||||||
| 16 | 18:51 | N 30 G 44 | 16.09 | Mostly Cloudy | SCT045 BKN065 | 8.9 | 4.4 | 13.9 | 8.9 | 74% | 5 | 76.94 | 1025.8 | 0.03 | |||
| 16 | 17:51 | N 17 | 16.09 | Mostly Cloudy | SCT043 BKN065 | 9.4 | 6.1 | 80% | 7 | 76.81 | 1024.3 | 0.03 | |||||
| 16 | 16:51 | N 30 G 46 | 16.09 | Mostly Cloudy | BKN043 BKN065 | 12.8 | 3.9 | 55% | 76.68 | 1022.4 | |||||||
| 16 | 15:51 | N 33 | 16.09 | Mostly Cloudy and Breezy | SCT041 BKN055 | 13.3 | 3.9 | 53% | 76.58 | 1021.1 | |||||||
| 16 | 14:51 | N 30 G 46 | 16.09 | Mostly Cloudy | BKN038 BKN055 | 12.2 | 5.6 | 64% | 76.5 | 1020.0 | |||||||
| 16 | 13:51 | N 26 | 16.09 | Mostly Cloudy | FEW028 BKN033 BKN055 | 13.3 | 6.7 | 65% | 76.43 | 1019.0 | |||||||
| 16 | 12:51 | N 39 G 50 | 16.09 | Overcast and Breezy | FEW024 BKN037 OVC055 | 12.2 | 6.7 | 12.2 | 10.6 | 69% | 76.38 | 1018.4 | |||||
| 16 | 11:51 | NW 19 | 16.09 | Mostly Cloudy | BKN021 BKN026 BKN042 | 12.2 | 7.8 | 75% | 76.33 | 1017.6 | |||||||
| 16 | 10:51 | W 24 G 33 | 16.09 | Overcast | OVC023 | 11.1 | 6.1 | 72% | 76.3 | 1017.1 | |||||||
| Date | Time (cdt) | Wind (kph) | Vis. (km) | Weather | Sky Cond. | Air | Dwpt | Max. | Min. | Relative Humidity | Wind Chill (°C) | Heat Index (°C) | altimeter (cm) | sea level (mb) | 1 hr | 3 hr | 6 hr |
| 6 hour | |||||||||||||||||
| Temperature (ºC) | Pressure | Precipitation (cm) | |||||||||||||||