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. | ||||||||||||||||
| 20 | 16:51 | E 17 | 16.09 | Fair | CLR | 18.3 | 7.2 | 49% | 77.01 | 1026.8 | |||||||
| 20 | 15:51 | NE 9 | 16.09 | Fair | CLR | 20.6 | 5 | 36% | 77.01 | 1026.8 | |||||||
| 20 | 14:51 | Calm | 16.09 | Fair | CLR | 20.6 | 3.9 | 33% | 77.04 | 1026.9 | |||||||
| 20 | 13:51 | Calm | 16.09 | Fair | CLR | 20 | 4.4 | 36% | 77.09 | 1027.9 | |||||||
| 20 | 12:51 | SE 7 | 16.09 | Fair | CLR | 19.4 | 5 | 19.4 | 7.2 | 39% | 77.14 | 1028.5 | |||||
| 20 | 11:51 | S 6 | 16.09 | Fair | CLR | 18.9 | 6.7 | 45% | 77.19 | 1029.1 | |||||||
| 20 | 10:51 | SE 7 | 16.09 | A Few Clouds | FEW300 | 17.2 | 8.3 | 56% | 77.24 | 1029.8 | |||||||
| 20 | 09:51 | Calm | 9.66 | Fog/Mist | FEW300 | 12.8 | 10.6 | 87% | 77.24 | 1029.8 | |||||||
| 20 | 08:51 | Calm | 8.05 | Fog/Mist | FEW003 FEW250 | 10.6 | 10 | 96% | 77.24 | 1029.9 | |||||||
| 20 | 07:51 | SW 6 | 2.82 | Fog/Mist | SCT002 SCT250 | 7.2 | 7.2 | 100% | 77.22 | 1029.5 | |||||||
| 20 | 06:51 | Calm | 0.80 | Fog | BKN002 BKN250 | 8.3 | 7.8 | 9.4 | 6.7 | 97% | 77.19 | 1029.4 | |||||
| 20 | 05:51 | N 6 | 0.80 | Fog | VV001 | 8.3 | 7.8 | 97% | 77.17 | 1028.8 | |||||||
| 20 | 04:51 | N 7 | 6.44 | Fog/Mist | SCT002 SCT300 | 7.2 | 6.7 | 97% | 6 | 77.14 | 1028.6 | ||||||
| 20 | 03:51 | Calm | 16.09 | A Few Clouds | FEW002 FEW300 | 7.2 | 6.1 | 93% | 77.14 | 1028.4 | |||||||
| 20 | 02:51 | Calm | 16.09 | Fair | CLR | 7.8 | 6.7 | 93% | 77.14 | 1028.4 | |||||||
| 20 | 01:51 | N 9 | 16.09 | Fair | CLR | 7.8 | 6.1 | 89% | 6 | 77.11 | 1028.3 | ||||||
| 20 | 00:51 | Calm | 16.09 | Fair | CLR | 8.3 | 6.7 | 14.4 | 8.3 | 90% | 77.11 | 1028.2 | |||||
| 19 | 23:51 | Calm | 16.09 | A Few Clouds | FEW300 | 9.4 | 6.7 | 83% | 77.11 | 1028.3 | |||||||
| 19 | 22:51 | Calm | 16.09 | A Few Clouds | FEW300 | 10.6 | 7.2 | 80% | 77.14 | 1028.5 | |||||||
| 19 | 21:51 | Calm | 16.09 | A Few Clouds | FEW300 | 11.1 | 7.2 | 77% | 77.11 | 1028.3 | |||||||
| 19 | 20:51 | Calm | 16.09 | A Few Clouds | FEW300 | 12.8 | 6.7 | 67% | 77.11 | 1028.1 | |||||||
| 19 | 19:51 | Calm | 16.09 | Partly Cloudy | SCT300 | 13.3 | 6.1 | 62% | 77.09 | 1028.0 | |||||||
| 19 | 18:51 | E 9 | 16.09 | Mostly Cloudy | BKN300 | 14.4 | 6.1 | 20 | 14.4 | 58% | 77.09 | 1028.1 | |||||
| 19 | 17:51 | E 11 | 16.09 | Mostly Cloudy | BKN300 | 17.8 | 4.4 | 41% | 77.09 | 1027.7 | |||||||
| 19 | 16:51 | SW 7 | 16.09 | Mostly Cloudy | BKN300 | 18.9 | 2.8 | 34% | 77.06 | 1027.6 | |||||||
| 19 | 15:51 | S 9 | 16.09 | Partly Cloudy | SCT300 | 19.4 | 3.9 | 36% | 77.06 | 1027.5 | |||||||
| 19 | 14:51 | SW 9 | 16.09 | A Few Clouds | FEW300 | 19.4 | 3.9 | 36% | 77.09 | 1027.6 | |||||||
| 19 | 13:51 | S 9 | 16.09 | A Few Clouds | FEW300 | 18.9 | 3.9 | 37% | 77.11 | 1028.0 | |||||||
| 19 | 12:51 | S 7 | 16.09 | A Few Clouds | FEW300 | 18.3 | 3.9 | 18.3 | 6.1 | 39% | 77.17 | 1028.7 | |||||
| 19 | 11:51 | Calm | 16.09 | A Few Clouds | FEW300 | 17.2 | 5 | 45% | 77.22 | 1029.4 | |||||||
| 19 | 10:51 | SW 9 | 16.09 | A Few Clouds | FEW300 | 15.6 | 4.4 | 48% | 77.24 | 1029.7 | |||||||
| 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 | |||||||
| 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) | |||||||||||||||