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. | ||||||||||||||||
| 07 | 04:51 | N 7 | 16.09 | A Few Clouds | FEW250 | 18.9 | 14.4 | 75% | 76.38 | 1017.9 | |||||||
| 07 | 03:51 | N 9 | 16.09 | Fair | CLR | 18.3 | 14.4 | 78% | 76.38 | 1018.0 | |||||||
| 07 | 02:51 | N 9 | 16.09 | Fair | CLR | 18.3 | 15 | 81% | 76.38 | 1018.1 | |||||||
| 07 | 01:51 | N 9 | 16.09 | Fair | CLR | 18.9 | 15 | 78% | 76.4 | 1018.1 | |||||||
| 07 | 00:51 | N 9 | 16.09 | Fair | CLR | 20 | 15 | 25.6 | 19.4 | 73% | 76.4 | 1018.0 | |||||
| 06 | 23:51 | N 9 | 16.09 | Fair | CLR | 20 | 14.4 | 70% | 76.38 | 1017.9 | |||||||
| 06 | 22:51 | NE 9 | 16.09 | Fair | CLR | 21.1 | 12.8 | 59% | 76.38 | 1017.8 | |||||||
| 06 | 21:51 | NE 11 | 16.09 | Fair | CLR | 21.7 | 11.1 | 51% | 76.33 | 1017.2 | |||||||
| 06 | 20:51 | NE 19 | 16.09 | A Few Clouds | FEW250 | 22.8 | 8.3 | 40% | 76.3 | 1016.9 | |||||||
| 06 | 19:51 | N 19 | 16.09 | A Few Clouds | FEW250 | 23.9 | 11.1 | 45% | 25 | 76.3 | 1016.7 | ||||||
| 06 | 18:51 | NE 19 | 16.09 | A Few Clouds | FEW050 FEW250 | 25.6 | 12.2 | 26.7 | 25.6 | 43% | 26 | 76.33 | 1017.1 | ||||
| 06 | 17:51 | NE 24 | 16.09 | A Few Clouds | FEW250 | 25.6 | 11.7 | 42% | 26 | 76.33 | 1017.1 | ||||||
| 06 | 16:51 | NE 22 | 16.09 | A Few Clouds | FEW033 | 25.6 | 13.3 | 47% | 26 | 76.33 | 1017.1 | ||||||
| 06 | 15:51 | NE 24 | 16.09 | Partly Cloudy | SCT032 | 25.6 | 13.3 | 47% | 26 | 76.33 | 1017.2 | ||||||
| 06 | 14:51 | NE 24 | 16.09 | A Few Clouds | FEW033 | 26.1 | 15 | 50% | 27 | 76.33 | 1017.2 | ||||||
| 06 | 13:51 | NE 28 G 43 | 16.09 | A Few Clouds | FEW250 | 26.1 | 15 | 50% | 27 | 76.35 | 1017.5 | ||||||
| 06 | 12:51 | N 26 | 16.09 | Fair | CLR | 25.6 | 16.1 | 25.6 | 20.6 | 56% | 26 | 76.35 | 1017.3 | ||||
| 06 | 11:51 | N 20 | 16.09 | Fair | CLR | 24.4 | 16.1 | 60% | 26 | 76.35 | 1017.6 | ||||||
| 06 | 10:51 | NE 17 | 16.09 | A Few Clouds | FEW250 | 23.9 | 16.7 | 64% | 25 | 76.33 | 1017.2 | ||||||
| 06 | 09:51 | NE 19 | 16.09 | A Few Clouds | FEW250 | 23.3 | 16.7 | 67% | 76.35 | 1017.5 | |||||||
| 06 | 08:51 | NE 19 | 16.09 | A Few Clouds | FEW090 FEW250 | 23.3 | 15.6 | 62% | 76.35 | 1017.5 | |||||||
| 06 | 07:51 | NE 20 | 16.09 | A Few Clouds | FEW020 FEW250 | 21.7 | 14.4 | 63% | 76.33 | 1017.1 | |||||||
| 06 | 06:51 | N 17 | 16.09 | Mostly Cloudy | BKN015 | 20.6 | 16.1 | 20.6 | 19.4 | 76% | 76.3 | 1016.7 | |||||
| 06 | 05:51 | NE 17 | 16.09 | Overcast | BKN013 OVC250 | 20 | 14.4 | 70% | 76.28 | 1016.6 | |||||||
| 06 | 04:51 | NE 17 | 16.09 | Mostly Cloudy | BKN014 | 20.6 | 16.1 | 76% | 76.25 | 1016.2 | |||||||
| 06 | 03:51 | NE 13 | 16.09 | Overcast | OVC014 | 20 | 17.8 | 87% | 76.23 | 1015.9 | |||||||
| 06 | 02:51 | N 13 | 16.09 | Overcast | OVC012 | 19.4 | 17.8 | 91% | 76.23 | 1015.7 | |||||||
| 06 | 00:51 | N 17 | 16.09 | Mostly Cloudy | SCT110 BKN250 | 20 | 18.3 | 22.8 | 19.4 | 90% | 76.2 | 1015.6 | |||||
| 05 | 23:51 | N 15 | 16.09 | Mostly Cloudy | FEW110 BKN250 | 20 | 17.2 | 84% | 76.2 | 1015.7 | |||||||
| 05 | 22:51 | NE 20 | 16.09 | Mostly Cloudy | FEW025 BKN038 BKN050 BKN250 | 21.1 | 17.2 | 79% | 76.2 | 1015.5 | |||||||
| 05 | 21:51 | N 17 | 16.09 | Mostly Cloudy | BKN025 BKN036 | 21.1 | 16.7 | 76% | 76.17 | 1015.3 | |||||||
| 05 | 20:51 | NE 19 | 16.09 | Mostly Cloudy | BKN020 BKN029 BKN250 | 21.1 | 17.2 | 79% | 76.17 | 1015.1 | |||||||
| 05 | 19:51 | NE 26 | 16.09 | Mostly Cloudy | FEW014 BKN025 BKN100 BKN250 | 22.2 | 18.9 | 82% | 76.15 | 1014.9 | |||||||
| 05 | 18:51 | NE 22 | 16.09 | Mostly Cloudy | BKN012 | 22.8 | 19.4 | 24.4 | 21.7 | 81% | 76.12 | 1014.5 | |||||
| 05 | 17:51 | N 24 | 12.87 | Overcast | BKN012 OVC026 | 22.8 | 20 | 84% | 76.12 | 1014.6 | |||||||
| 05 | 16:51 | NE 26 | 9.66 | Fog/Mist | BKN010 BKN023 BKN060 | 22.8 | 20 | 84% | 76.17 | 1015.1 | |||||||
| 05 | 15:51 | N 19 | 16.09 | Overcast | BKN016 BKN025 OVC060 | 23.9 | 20 | 79% | 24 | 76.15 | 1014.7 | ||||||
| 05 | 14:51 | N 17 | 14.48 | Mostly Cloudy | BKN014 BKN025 BKN070 | 24.4 | 20.6 | 79% | 25 | 76.12 | 1014.6 | ||||||
| 05 | 13:51 | N 17 | 8.05 | Fog/Mist | OVC007 | 21.7 | 20 | 90% | 76.15 | 1015.0 | |||||||
| 05 | 12:51 | N 13 | 8.05 | Fog/Mist | OVC008 | 22.2 | 20 | 22.8 | 19.4 | 87% | 76.17 | 1015.0 | |||||
| 05 | 11:51 | N 15 | 6.44 | Fog/Mist | OVC007 | 21.7 | 19.4 | 87% | 76.17 | 1015.3 | |||||||
| 05 | 10:51 | N 17 | 6.44 | Fog/Mist | OVC008 | 21.7 | 19.4 | 87% | 76.17 | 1015.2 | |||||||
| 05 | 09:51 | N 19 | 8.05 | Fog/Mist | OVC006 | 21.1 | 19.4 | 90% | 76.15 | 1014.8 | |||||||
| 05 | 08:51 | N 11 | 8.05 | Fog/Mist | OVC006 | 20.6 | 19.4 | 93% | 76.1 | 1014.1 | |||||||
| 05 | 07:51 | N 15 | 11.27 | Mostly Cloudy | SCT007 BKN070 BKN250 | 20.6 | 18.9 | 90% | 76.05 | 1013.5 | |||||||
| 05 | 06:51 | N 17 | 9.66 | Fog/Mist | FEW010 SCT075 SCT095 BKN140 BKN250 | 19.4 | 17.8 | 20 | 18.9 | 91% | 76.02 | 1013.2 | 0.08 | ||||
| 05 | 05:51 | N 9 | 9.66 | Fog/Mist | BKN060CB BKN250 | 19.4 | 17.8 | 91% | 76.07 | 1013.7 | |||||||
| 05 | 04:51 | N 11 | 11.27 | Fog/Mist | SCT050CB BKN070 BKN120 BKN250 | 18.9 | 17.8 | 93% | 76.07 | 1014.0 | |||||||
| 05 | 03:51 | NW 7 | 12.87 | Overcast | BKN050CB BKN070 OVC110 | 19.4 | 17.8 | 91% | 76.07 | 1013.6 | 0.08 | 0.08 | |||||
| 05 | 02:51 | Calm | 16.09 | Overcast | BKN065CB BKN100 OVC250 | 20 | 17.8 | 87% | 76.05 | 1013.4 | |||||||
| 05 | 01:51 | N 6 | 12.87 | Mostly Cloudy | FEW005 BKN065 BKN100 BKN250 | 19.4 | 18.3 | 93% | 76.05 | 1013.4 | |||||||
| 05 | 00:51 | N 11 | 8.05 | Fog/Mist | FEW005 SCT025 BKN250 | 20 | 18.9 | 22.2 | 20 | 93% | 76.05 | 1013.2 | |||||
| 04 | 23:51 | E 9 | 6.44 | Fog/Mist | SCT005 BKN023 BKN250 | 20 | 18.9 | 93% | 76.05 | 1013.4 | |||||||
| 04 | 22:51 | NE 17 | 4.02 | Smoke Fog/Mist | OVC004 | 20 | 18.9 | 93% | 76.05 | 1013.3 | |||||||
| 04 | 22:46 | NE 17 | 3.22 | Smoke Fog/Mist | OVC004 | 20 | 18.9 | 93% | 76.05 | 1013.3 | |||||||
| 04 | 21:51 | N 22 | 4.02 | Smoke Fog/Mist | BKN004 BKN100 BKN250 | 20 | 19.4 | 96% | 76.05 | 1013.3 | |||||||
| 04 | 20:51 | NE 17 | 11.27 | Mostly Cloudy | FEW010 SCT050 BKN250 | 21.7 | 20.6 | 94% | 76.05 | 1013.4 | |||||||
| 04 | 19:51 | N 13 | 16.09 | Mostly Cloudy | BKN011 BKN042 BKN250 | 21.7 | 20.6 | 94% | 76.02 | 1013.2 | |||||||
| 04 | 18:51 | E 22 | 8.05 | Light Rain Fog/Mist | FEW010 BKN100 | 21.7 | 20.6 | 28.3 | 21.7 | 94% | 75.95 | 1012.3 | 0.15 | 0.46 | |||
| 04 | 17:51 | E 19 | 4.83 | Thunderstorm Light Rain Fog/Mist | SCT050CB OVC100 | 22.2 | 21.1 | 94% | 76.07 | 1013.7 | 0.3 | ||||||
| 04 | 16:51 | N 20 | 16.09 | Thunderstorm Light Rain | SCT039CB SCT090 OVC110 | 23.9 | 20.6 | 82% | 24 | 76.05 | 1013.5 | ||||||
| 04 | 15:51 | NE 24 | 16.09 | Thunderstorm | BKN030CB BKN250 | 25.6 | 20 | 71% | 27 | 76.02 | 1013.0 | ||||||
| 04 | 14:51 | E 22 | 16.09 | Mostly Cloudy | SCT035 BKN100 | 26.7 | 20.6 | 69% | 28 | 76.05 | 1013.3 | ||||||
| 04 | 13:51 | Vrbl 7 | 16.09 | Mostly Cloudy | SCT036 SCT048 BKN080 BKN250 | 27.8 | 22.2 | 72% | 30 | 76.1 | 1014.0 | ||||||
| 04 | 12:51 | SW 9 | 16.09 | Overcast | BKN037 BKN044 OVC060 | 28.3 | 21.1 | 28.3 | 21.7 | 65% | 31 | 76.17 | 1014.8 | ||||
| 04 | 11:51 | SW 7 | 16.09 | Mostly Cloudy | FEW030 BKN130 BKN250 | 28.3 | 21.1 | 65% | 31 | 76.17 | 1014.9 | ||||||
| 04 | 10:51 | Calm | 16.09 | Mostly Cloudy | SCT160 BKN230 | 27.2 | 20 | 65% | 29 | 76.12 | 1014.2 | ||||||
| 04 | 08:51 | W 9 | 16.09 | Mostly Cloudy | FEW035 FEW065 BKN240 | 24.4 | 21.1 | 82% | 25 | 76.17 | 1015.0 | ||||||
| 04 | 07:51 | W 7 | 16.09 | Mostly Cloudy | FEW035 FEW065 FEW160 BKN240 | 22.8 | 20.6 | 87% | 76.15 | 1014.5 | |||||||
| 04 | 06:51 | W 7 | 16.09 | Mostly Cloudy | FEW060 FEW160 BKN240 | 21.7 | 20.6 | 21.7 | 20 | 94% | 76.17 | 1015.0 | |||||
| 04 | 05:51 | Calm | 12.87 | Mostly Cloudy | FEW065 SCT160 BKN250 | 20.6 | 20 | 96% | 76.17 | 1014.9 | |||||||
| 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) | |||||||||||||||