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. | ||||||||||||||||
| 14 | 09:51 | E 13 | 14.48 | Overcast | FEW017 BKN060 OVC100 | 24.4 | 20.6 | 79% | 25 | 76.43 | 1018.5 | ||||||
| 14 | 08:51 | E 9 | 12.87 | Overcast | FEW012 BKN060 OVC250 | 23.9 | 20.6 | 82% | 24 | 76.38 | 1018.0 | ||||||
| 14 | 07:51 | NE 13 | 9.66 | Fog/Mist | FEW008 FEW060 SCT110 OVC250 | 23.3 | 21.1 | 88% | 76.35 | 1017.7 | |||||||
| 14 | 06:51 | E 11 | 4.83 | Fog/Mist | FEW009 FEW110 BKN250 | 22.2 | 21.1 | 22.2 | 21.1 | 94% | 76.33 | 1017.3 | |||||
| 14 | 05:51 | NE 7 | 4.83 | Fog/Mist | FEW027 SCT095 BKN250 | 21.7 | 20.6 | 94% | 76.28 | 1016.6 | |||||||
| 14 | 04:51 | E 6 | 8.05 | Fog/Mist | FEW080 SCT110 OVC250 | 21.7 | 20.6 | 94% | 76.25 | 1016.2 | |||||||
| 14 | 03:51 | E 13 | 9.66 | Fog/Mist | SCT080 OVC110 | 21.7 | 21.1 | 96% | 76.2 | 1015.6 | |||||||
| 14 | 02:51 | E 9 | 9.66 | Fog/Mist | SCT033 BKN080 OVC120 | 21.1 | 20.6 | 97% | 76.17 | 1015.2 | |||||||
| 14 | 01:51 | E 9 | 11.27 | Overcast | FEW012 BKN027 OVC080 | 21.7 | 20 | 90% | 76.23 | 1015.7 | |||||||
| 14 | 00:51 | NE 13 | 12.87 | Mostly Cloudy | FEW021 SCT100 BKN220 | 21.7 | 19.4 | 21.7 | 20.6 | 87% | 76.17 | 1015.2 | 0.23 | ||||
| 13 | 23:51 | N 15 | 11.27 | Overcast | BKN095 OVC220 | 21.1 | 18.9 | 87% | 76.2 | 1015.3 | |||||||
| 13 | 22:51 | SE 7 | 11.27 | Overcast | OVC095 | 21.1 | 18.9 | 87% | 76.2 | 1015.4 | |||||||
| 13 | 21:51 | E 7 | 11.27 | Light Rain | OVC095 | 21.1 | 18.9 | 87% | 76.2 | 1015.5 | 0.05 | 0.23 | |||||
| 13 | 20:51 | E 7 | 11.27 | Overcast | FEW075 OVC100 | 20.6 | 18.3 | 87% | 76.23 | 1015.8 | 0.03 | ||||||
| 13 | 19:51 | E 13 | 9.66 | Fog/Mist | FEW040 BKN100 BKN250 | 20.6 | 18.3 | 87% | 76.15 | 1014.9 | 0.15 | ||||||
| 13 | 18:51 | E 17 | 9.66 | Light Rain Fog/Mist | FEW015 SCT065 OVC095 | 21.7 | 18.9 | 23.9 | 21.7 | 84% | 76.15 | 1015.0 | 0.36 | ||||
| 13 | 17:51 | NE 19 G 31 | 12.87 | Overcast | FEW015 SCT033 OVC095 | 22.2 | 19.4 | 84% | 76.1 | 1014.3 | 0.15 | ||||||
| 13 | 16:51 | E 19 | 6.44 | Fog/Mist | SCT009 BKN045 OVC100 | 22.8 | 21.1 | 90% | 76 | 1012.7 | 0.13 | ||||||
| 13 | 15:51 | NE 28 | 6.44 | Light Rain Fog/Mist | SCT009 OVC120 | 23.3 | 21.7 | 91% | 75.95 | 1011.9 | 0.08 | ||||||
| 13 | 14:51 | E 15 | 9.66 | Light Rain Fog/Mist | SCT020 BKN060 OVC120 | 23.9 | 21.7 | 88% | 24 | 76.05 | 1013.5 | 0.05 | |||||
| 13 | 13:51 | N 6 | 11.27 | Thunderstorm Light Rain | BKN020 BKN038CB BKN075 OVC140 | 23.9 | 21.1 | 84% | 24 | 76.23 | 1015.6 | 0.03 | |||||
| 13 | 12:51 | Calm | 12.87 | Overcast | SCT028 BKN150 OVC200 | 25 | 20.6 | 25.6 | 22.2 | 77% | 26 | 76.17 | 1015.1 | ||||
| 13 | 11:51 | E 6 | 14.48 | Overcast | BKN021 BKN028 OVC200 | 25 | 21.1 | 79% | 26 | 76.12 | 1014.5 | ||||||
| 13 | 10:51 | E 9 | 16.09 | Overcast | SCT019 BKN200 OVC250 | 25.6 | 20.6 | 74% | 27 | 76.07 | 1013.6 | ||||||
| 13 | 09:51 | E 11 | 16.09 | Overcast | SCT013 BKN200 OVC250 | 25 | 21.1 | 79% | 26 | 76.02 | 1013.1 | ||||||
| 13 | 08:51 | E 11 | 12.87 | Overcast | SCT013 BKN200 OVC250 | 23.9 | 20.6 | 82% | 24 | 76.07 | 1013.5 | ||||||
| 13 | 07:51 | E 13 | 9.66 | Fog/Mist | BKN011 BKN200 BKN250 | 22.8 | 20.6 | 87% | 76.05 | 1013.3 | |||||||
| 13 | 06:51 | SE 9 | 4.83 | Fog/Mist | BKN009 BKN200 BKN250 | 22.2 | 21.1 | 22.8 | 21.1 | 94% | 75.97 | 1012.5 | |||||
| 13 | 05:51 | NE 7 | 3.22 | Fog/Mist | FEW006 BKN200 | 21.7 | 20.6 | 94% | 75.95 | 1012.2 | |||||||
| 13 | 04:51 | NE 6 | 4.83 | Fog/Mist | FEW250 | 21.7 | 20.6 | 94% | 75.92 | 1011.6 | |||||||
| 13 | 02:51 | N 7 | 8.05 | Fog/Mist | CLR | 21.1 | 20.6 | 97% | 75.9 | 1011.5 | |||||||
| 13 | 01:51 | N 7 | 11.27 | A Few Clouds | FEW030 FEW250 | 21.7 | 20.6 | 94% | 75.9 | 1011.5 | |||||||
| 13 | 00:51 | SW 6 | 16.09 | Fair | CLR | 22.8 | 20.6 | 26.1 | 22.2 | 87% | 75.9 | 1011.2 | |||||
| 12 | 23:51 | Calm | 16.09 | A Few Clouds | FEW030 | 23.3 | 20.6 | 85% | 75.9 | 1011.4 | |||||||
| 12 | 22:51 | Calm | 16.09 | Mostly Cloudy | BKN030 BKN050 | 24.4 | 20.6 | 79% | 25 | 75.9 | 1011.5 | ||||||
| 12 | 21:51 | N 9 | 16.09 | Mostly Cloudy | BKN035 | 25 | 20 | 74% | 26 | 75.9 | 1011.4 | ||||||
| 12 | 20:51 | N 9 | 16.09 | Mostly Cloudy | BKN038 | 25.6 | 20.6 | 74% | 27 | 75.82 | 1010.2 | ||||||
| 12 | 19:51 | E 11 | 16.09 | Mostly Cloudy | BKN038 | 25.6 | 21.1 | 76% | 27 | 75.74 | 1009.4 | ||||||
| 12 | 18:51 | E 11 | 16.09 | Mostly Cloudy | BKN039 | 26.1 | 21.1 | 28.9 | 24.4 | 74% | 28 | 75.74 | 1009.2 | ||||
| 12 | 17:51 | E 17 | 16.09 | Mostly Cloudy | BKN038 BKN250 | 27.2 | 21.7 | 72% | 29 | 75.69 | 1008.4 | ||||||
| 12 | 16:51 | W 6 | 16.09 | Mostly Cloudy | SCT027 BKN250 | 28.3 | 19.4 | 59% | 30 | 75.67 | 1008.2 | ||||||
| 12 | 15:51 | W 11 | 16.09 | Overcast | FEW027 OVC250 | 27.8 | 20 | 63% | 29 | 75.67 | 1008.1 | ||||||
| 12 | 14:51 | W 22 | 16.09 | Overcast | FEW030 FEW070 OVC250 | 27.2 | 19.4 | 62% | 29 | 75.69 | 1008.6 | ||||||
| 12 | 13:51 | W 15 | 16.09 | Mostly Cloudy | FEW030 SCT075 BKN160 BKN250 | 26.7 | 20 | 67% | 28 | 75.77 | 1009.4 | ||||||
| 12 | 12:51 | W 13 | 16.09 | Mostly Cloudy | FEW033 FEW060 BKN170 BKN250 | 24.4 | 20 | 24.4 | 21.7 | 77% | 25 | 75.77 | 1009.8 | ||||
| 12 | 11:51 | W 15 | 16.09 | Overcast | FEW033 SCT060 BKN190 OVC250 | 22.2 | 19.4 | 84% | 75.82 | 1010.4 | |||||||
| 12 | 10:51 | SW 17 | 16.09 | Thunderstorm | FEW019 BKN033CB BKN060 BKN180 OVC250 | 21.7 | 19.4 | 87% | 75.79 | 1010.2 | |||||||
| 12 | 09:51 | Calm | 16.09 | Overcast | FEW020 SCT034 SCT060 OVC190 | 23.3 | 21.1 | 88% | 75.74 | 1009.4 | |||||||
| 12 | 08:51 | Calm | 16.09 | Overcast | FEW013 BKN040 BKN060 OVC250 | 23.9 | 21.1 | 84% | 24 | 75.77 | 1009.6 | ||||||
| 12 | 07:51 | Calm | 16.09 | Mostly Cloudy | FEW023 SCT055 BKN250 | 23.3 | 20.6 | 85% | 75.72 | 1009.1 | |||||||
| 12 | 06:51 | Calm | 16.09 | Mostly Cloudy | SCT023 SCT031 BKN190 BKN250 | 22.2 | 20.6 | 22.8 | 22.2 | 91% | 75.69 | 1008.5 | |||||
| 12 | 04:51 | SE 6 | 16.09 | Mostly Cloudy | SCT024 BKN044 BKN250 | 22.2 | 20 | 87% | 75.72 | 1008.8 | |||||||
| 12 | 03:51 | Calm | 16.09 | Mostly Cloudy | FEW025 BKN044 | 22.2 | 20 | 87% | 75.74 | 1009.2 | |||||||
| 12 | 02:51 | Calm | 16.09 | Mostly Cloudy | SCT025 BKN036 | 22.2 | 20 | 87% | 75.72 | 1009.1 | |||||||
| 12 | 01:51 | SE 7 | 16.09 | Mostly Cloudy | BKN025 BKN036 | 22.8 | 20.6 | 87% | 75.77 | 1009.6 | |||||||
| 12 | 00:51 | S 7 | 16.09 | Mostly Cloudy | BKN030 | 22.8 | 21.1 | 26.1 | 22.8 | 90% | 75.82 | 1010.3 | |||||
| 11 | 23:51 | S 9 | 16.09 | Partly Cloudy | FEW035 SCT100 | 22.8 | 21.1 | 90% | 75.87 | 1011.0 | |||||||
| 11 | 22:51 | S 7 | 16.09 | Partly Cloudy | SCT100 | 23.3 | 21.1 | 88% | 75.9 | 1011.2 | |||||||
| 11 | 21:51 | Calm | 16.09 | Partly Cloudy | SCT100 | 23.9 | 21.1 | 84% | 24 | 75.9 | 1011.2 | ||||||
| 11 | 20:51 | Calm | 16.09 | Partly Cloudy | SCT130 | 25 | 21.1 | 79% | 26 | 75.87 | 1010.9 | ||||||
| 11 | 19:51 | Calm | 16.09 | Partly Cloudy | SCT120 | 25.6 | 21.1 | 76% | 27 | 75.87 | 1011.0 | ||||||
| 11 | 18:51 | S 11 | 16.09 | A Few Clouds | FEW027 FEW120 FEW250 | 26.1 | 20.6 | 27.2 | 21.7 | 72% | 28 | 75.9 | 1011.3 | ||||
| 11 | 17:51 | S 11 | 16.09 | Mostly Cloudy | SCT026 BKN110 BKN250 | 26.1 | 21.7 | 77% | 28 | 75.9 | 1011.4 | ||||||
| 11 | 16:51 | Vrbl 7 | 16.09 | Mostly Cloudy | SCT021 BKN250 | 27.2 | 21.7 | 72% | 29 | 75.9 | 1011.2 | ||||||
| 11 | 15:51 | Vrbl 7 | 16.09 | Mostly Cloudy | SCT020 BKN250 | 26.7 | 21.7 | 74% | 29 | 75.92 | 1011.6 | ||||||
| 11 | 14:51 | N 7 | 16.09 | Mostly Cloudy | FEW020 FEW030 FEW050 BKN250 | 25 | 20.6 | 77% | 26 | 75.9 | 1011.4 | ||||||
| 11 | 13:51 | S 11 | 16.09 | Overcast | FEW020 SCT140 SCT190 OVC250 | 23.9 | 21.1 | 84% | 24 | 75.84 | 1010.6 | ||||||
| 11 | 12:51 | NE 22 | 16.09 | Light Rain | FEW043 SCT060 BKN100 OVC250 | 21.7 | 20.6 | 25 | 20.6 | 94% | 75.95 | 1012.1 | 0.08 | 1.19 | |||
| 11 | 11:51 | N 20 | 14.48 | Light Rain | FEW050 SCT100 BKN120 OVC140 | 20.6 | 19.4 | 93% | 75.97 | 1012.4 | 1.09 | ||||||
| 11 | 10:51 | W 31 G 48 | 11.27 | Thunderstorm Light Rain | FEW018 SCT050CB BKN100 OVC140 | 23.9 | 21.1 | 84% | 24 | 76.17 | 1015.0 | 0.03 | |||||
| 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) | |||||||||||||||