Weather observations for the past three days for
Chicago, Chicago-O'Hare International Airport
| Date | Time (cst) | 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. | ||||||||||||||||
| 04 | 10:51 | E 17 | 12.87 | Overcast | SCT045 OVC065 | 6.7 | 0.6 | 65% | 4 | 76.58 | 1021.6 | ||||||
| 04 | 09:51 | E 17 | 12.87 | Overcast | BKN070 OVC250 | 6.1 | 0.6 | 68% | 3 | 76.66 | 1022.7 | ||||||
| 04 | 08:51 | E 13 | 11.27 | Mostly Cloudy | FEW010 FEW060 BKN250 | 4.4 | 0.6 | 77% | 2 | 76.71 | 1023.1 | ||||||
| 04 | 07:51 | E 17 | 6.44 | Fog/Mist | SCT005 BKN250 | 2.2 | 0.6 | 89% | -2 | 76.71 | 1023.3 | ||||||
| 04 | 06:51 | NE 13 | 2.82 | Fog/Mist | OVC003 | 1.1 | 0.6 | 97% | -2 | 76.71 | 1023.5 | ||||||
| 04 | 05:51 | NE 15 | 1.21 | Fog/Mist | OVC002 | 0.6 | 0 | 1.1 | 0 | 96% | -3 | 76.71 | 1023.2 | ||||
| 04 | 04:51 | NE 15 | 4.83 | Fog/Mist | OVC004 | 0.6 | -0.6 | 92% | -3 | 76.71 | 1023.2 | ||||||
| 04 | 03:51 | NE 11 | 3.22 | Fog/Mist | BKN003 OVC011 | 0.6 | -0.6 | 92% | -2 | 76.71 | 1023.4 | ||||||
| 04 | 02:51 | E 6 | 1.61 | Fog/Mist | OVC002 | 0.6 | -0.6 | 92% | 76.73 | 1023.7 | |||||||
| 04 | 01:51 | N 13 | 2.41 | Fog/Mist | OVC002 | 0.6 | 0 | 96% | -3 | 76.71 | 1023.2 | ||||||
| 04 | 00:51 | NE 13 | 2.41 | Fog/Mist | OVC002 | 0.6 | 0 | 96% | -3 | 76.71 | 1023.3 | ||||||
| 03 | 23:51 | N 15 | 8.05 | Fog/Mist | OVC005 | 1.1 | 0 | 2.2 | 0.6 | 92% | -3 | 76.68 | 1022.9 | ||||
| 03 | 22:51 | N 7 | 9.66 | Fog/Mist | BKN008 BKN150 | 1.1 | -0.6 | 89% | -1 | 76.71 | 1023.5 | ||||||
| 03 | 21:51 | NE 11 | 12.87 | Overcast | BKN009 OVC150 | 1.7 | -0.6 | 85% | -1 | 76.68 | 1023.0 | ||||||
| 03 | 20:51 | E 7 | 11.27 | Overcast | OVC009 | 2.2 | -1.1 | 79% | 0 | 76.61 | 1022.1 | ||||||
| 03 | 19:51 | NE 13 | 11.27 | Overcast | OVC011 | 2.2 | -1.1 | 79% | -1 | 76.58 | 1021.7 | ||||||
| 03 | 18:51 | NE 9 | 14.48 | Overcast | BKN010 OVC025 | 2.2 | -0.6 | 82% | -0 | 76.63 | 1022.3 | ||||||
| 03 | 17:51 | NE 17 | 8.05 | Fog/Mist | SCT011 BKN026 BKN250 | 2.2 | -0.6 | 5.6 | 2.2 | 82% | -2 | 76.53 | 1021.0 | ||||
| 03 | 16:51 | NE 11 | 12.87 | Mostly Cloudy | BKN015 BKN029 BKN250 | 3.3 | -0.6 | 76% | 1 | 76.5 | 1020.6 | ||||||
| 03 | 15:51 | NE 19 | 12.87 | Overcast | SCT018 OVC033 | 3.9 | -1.1 | 70% | 0 | 76.48 | 1020.1 | ||||||
| 03 | 14:51 | NE 15 | 14.48 | Overcast | OVC018 | 5 | -0.6 | 67% | 2 | 76.45 | 1019.8 | ||||||
| 03 | 13:51 | N 11 | 14.48 | Overcast | OVC017 | 5.6 | 0 | 68% | 3 | 76.4 | 1019.3 | ||||||
| 03 | 12:51 | NE 9 | 12.87 | Overcast | BKN018 OVC023 | 5 | -0.6 | 67% | 3 | 76.45 | 1020.0 | ||||||
| 03 | 11:51 | Calm | 12.87 | Overcast | OVC016 | 4.4 | -1.1 | 4.4 | 1.1 | 68% | 76.48 | 1020.3 | |||||
| 03 | 10:51 | Calm | 12.87 | Overcast | FEW015 OVC023 | 3.3 | -1.7 | 70% | 76.45 | 1020.0 | |||||||
| 03 | 09:51 | S 9 | 16.09 | Overcast | OVC016 | 2.2 | -2.2 | 73% | -0 | 76.53 | 1021.0 | ||||||
| 03 | 08:51 | SE 7 | 14.48 | Overcast | OVC017 | 1.7 | -2.8 | 72% | -0 | 76.53 | 1021.0 | ||||||
| 03 | 07:51 | E 9 | 16.09 | Overcast | OVC017 | 1.1 | -2.2 | 79% | -1 | 76.56 | 1021.3 | ||||||
| 03 | 06:51 | E 11 | 14.48 | Overcast | SCT015 OVC026 | 1.1 | -2.2 | 79% | -2 | 76.53 | 1020.9 | ||||||
| 03 | 05:51 | NE 9 | 16.09 | Overcast | FEW014 BKN029 OVC065 | 1.1 | -2.8 | 2.8 | 1.1 | 76% | -1 | 76.48 | 1020.3 | 0.03 | 0.03 | ||
| 03 | 04:51 | E 11 | 14.48 | Light Rain | FEW013 OVC027 | 1.7 | -3.9 | 67% | -1 | 76.56 | 1021.1 | ||||||
| 03 | 03:51 | SE 9 | 16.09 | Overcast | SCT013 OVC024 | 2.2 | -6.1 | 55% | -0 | 76.58 | 1021.6 | ||||||
| 03 | 02:51 | E 13 | 16.09 | Overcast | BKN013 BKN065 OVC150 | 2.2 | -7.2 | 50% | -1 | 76.61 | 1021.9 | ||||||
| 03 | 01:51 | E 9 | 16.09 | Mostly Cloudy | BKN160 | 2.2 | -7.2 | 50% | -0 | 76.68 | 1023.0 | ||||||
| 03 | 00:51 | E 11 | 16.09 | Mostly Cloudy | BKN180 | 2.8 | -7.2 | 48% | 0 | 76.73 | 1023.5 | ||||||
| 02 | 23:51 | E 9 | 16.09 | Overcast | OVC180 | 2.2 | -8.3 | 2.8 | 1.1 | 46% | -0 | 76.76 | 1024.0 | ||||
| 02 | 22:51 | E 7 | 16.09 | Overcast | OVC180 | 2.2 | -6.1 | 55% | 0 | 76.76 | 1024.0 | ||||||
| 02 | 21:51 | E 7 | 16.09 | Overcast | OVC250 | 1.7 | -5 | 61% | -0 | 76.84 | 1025.0 | ||||||
| 02 | 20:51 | E 7 | 16.09 | Mostly Cloudy | BKN250 | 1.7 | -5.6 | 59% | -0 | 76.86 | 1025.3 | ||||||
| 02 | 19:51 | E 9 | 16.09 | Fair | CLR | 1.7 | -6.7 | 54% | -1 | 76.86 | 1025.6 | ||||||
| 02 | 18:51 | E 11 | 16.09 | Fair | CLR | 1.7 | -8.9 | 46% | -1 | 76.89 | 1025.9 | ||||||
| 02 | 17:51 | E 13 | 16.09 | A Few Clouds | FEW250 | 2.8 | -9.4 | 6.1 | 2.8 | 41% | -0 | 76.91 | 1026.2 | ||||
| 02 | 16:51 | E 15 | 16.09 | Partly Cloudy | SCT250 | 4.4 | -8.3 | 40% | 1 | 76.89 | 1025.8 | ||||||
| 02 | 15:51 | E 13 | 16.09 | Partly Cloudy | SCT250 | 5.6 | -7.2 | 40% | 3 | 76.91 | 1026.0 | ||||||
| 02 | 14:51 | E 15 | 16.09 | A Few Clouds | FEW250 | 5.6 | -7.8 | 38% | 3 | 76.94 | 1026.4 | ||||||
| 02 | 13:51 | E 11 | 16.09 | Partly Cloudy | SCT250 | 5.6 | -8.9 | 35% | 3 | 76.96 | 1026.9 | ||||||
| 02 | 12:51 | E 17 | 16.09 | Mostly Cloudy | BKN250 | 5 | -8.3 | 38% | 2 | 77.04 | 1027.9 | ||||||
| 02 | 11:51 | Vrbl 9 | 16.09 | Mostly Cloudy | BKN250 | 4.4 | -8.9 | 4.4 | -4.4 | 38% | 2 | 77.11 | 1028.9 | ||||
| 02 | 10:51 | E 17 | 16.09 | A Few Clouds | FEW250 | 2.8 | -11.7 | 34% | -1 | 77.19 | 1029.7 | ||||||
| 02 | 09:51 | E 15 | 16.09 | A Few Clouds | FEW250 | 1.1 | -11.1 | 40% | -3 | 77.22 | 1030.4 | ||||||
| 02 | 08:51 | SE 19 | 16.09 | A Few Clouds | FEW080 FEW250 | 0.6 | -10.6 | 43% | -4 | 77.27 | 1030.9 | ||||||
| 02 | 07:51 | SE 20 | 16.09 | A Few Clouds | FEW080 FEW250 | -1.7 | -10 | 54% | -7 | 77.27 | 1031.1 | ||||||
| 02 | 06:51 | E 11 | 16.09 | A Few Clouds | FEW250 | -3.3 | -10 | 60% | -7 | 77.27 | 1031.1 | ||||||
| 02 | 05:51 | E 9 | 16.09 | A Few Clouds | FEW250 | -3.9 | -10.6 | -2.2 | -3.9 | 60% | -7 | 77.27 | 1031.1 | ||||
| 02 | 04:51 | SE 11 | 16.09 | A Few Clouds | FEW250 | -3.9 | -10.6 | 60% | -8 | 77.22 | 1030.5 | ||||||
| 02 | 03:51 | SE 11 | 16.09 | A Few Clouds | FEW250 | -3.3 | -10.6 | 57% | -7 | 77.24 | 1030.8 | ||||||
| 02 | 02:51 | E 7 | 16.09 | Fair | CLR | -3.3 | -10 | 60% | -6 | 77.29 | 1031.3 | ||||||
| 02 | 01:51 | E 9 | 16.09 | A Few Clouds | FEW250 | -2.8 | -8.9 | 63% | -6 | 77.34 | 1031.8 | ||||||
| 02 | 00:51 | E 7 | 16.09 | A Few Clouds | FEW250 | -2.8 | -8.3 | 66% | -5 | 77.37 | 1032.4 | ||||||
| 01 | 23:51 | E 11 | 16.09 | Partly Cloudy | FEW120 SCT250 | -2.2 | -8.3 | -1.7 | -2.8 | 63% | -6 | 77.37 | 1032.3 | ||||
| 01 | 22:51 | E 15 | 16.09 | Mostly Cloudy | SCT130 BKN250 | -1.7 | -8.9 | 58% | -6 | 77.39 | 1032.8 | ||||||
| 01 | 21:51 | E 13 | 16.09 | Mostly Cloudy | BKN140 BKN250 | -2.2 | -9.4 | 58% | -6 | 77.42 | 1033.0 | ||||||
| 01 | 20:51 | E 11 | 16.09 | Mostly Cloudy | BKN140 BKN250 | -2.8 | -9.4 | 61% | -7 | 77.44 | 1033.3 | ||||||
| 01 | 19:51 | NE 13 | 16.09 | Mostly Cloudy | SCT140 BKN250 | -2.8 | -10 | 58% | -7 | 77.44 | 1033.3 | ||||||
| 01 | 18:51 | E 20 | 16.09 | Mostly Cloudy | BKN150 BKN230 | -2.2 | -10.6 | 53% | -8 | 77.39 | 1032.8 | ||||||
| 01 | 17:51 | NE 19 | 16.09 | Mostly Cloudy | SCT130 BKN200 BKN250 | -2.8 | -10.6 | 0 | -2.8 | 55% | -8 | 77.37 | 1032.4 | ||||
| 01 | 16:51 | E 17 | 16.09 | Mostly Cloudy | FEW030 SCT120 BKN170 BKN250 | -2.2 | -11.7 | 49% | -7 | 77.37 | 1032.3 | ||||||
| 01 | 15:51 | E 24 G 31 | 16.09 | Mostly Cloudy | FEW030 FEW120 SCT180 BKN250 | -1.1 | -15 | 34% | -7 | 77.37 | 1032.2 | ||||||
| 01 | 14:51 | E 17 | 16.09 | Mostly Cloudy | FEW033 SCT170 BKN250 | -0.6 | -16.7 | 29% | -5 | 77.39 | 1032.7 | ||||||
| 01 | 13:51 | E 19 | 16.09 | Mostly Cloudy | FEW033 BKN170 BKN250 | 0 | -13.3 | 36% | -5 | 77.42 | 1033.2 | ||||||
| 01 | 12:51 | NE 20 G 39 | 16.09 | Partly Cloudy | FEW033 SCT250 | -0.6 | -16.7 | 29% | -6 | 77.39 | 1032.9 | ||||||
| 01 | 11:51 | E 22 | 16.09 | A Few Clouds | FEW033 FEW250 | -0.6 | -16.7 | -0.6 | -3.9 | 29% | -6 | 77.44 | 1033.3 | ||||
| Date | Time (cst) | 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) | |||||||||||||||