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. | ||||||||||||||||
| 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 | |||||
| 11 | 09:51 | E 11 | 16.09 | Overcast | FEW045 BKN150 OVC250 | 24.4 | 20.6 | 79% | 25 | 75.95 | 1011.9 | ||||||
| 11 | 08:51 | E 11 | 16.09 | Overcast | FEW022 FEW060 BKN190 OVC250 | 25 | 21.1 | 79% | 26 | 76 | 1012.5 | ||||||
| 11 | 07:51 | E 6 | 16.09 | Mostly Cloudy | FEW021 SCT060 BKN190 BKN250 | 24.4 | 21.1 | 82% | 25 | 76 | 1012.5 | ||||||
| 11 | 06:51 | Calm | 16.09 | Mostly Cloudy | SCT021 BKN190 BKN250 | 23.9 | 21.1 | 24.4 | 22.8 | 84% | 24 | 76 | 1012.5 | ||||
| 11 | 05:51 | N 11 | 16.09 | Mostly Cloudy | FEW020 SCT035 BKN060 BKN210 | 23.3 | 21.7 | 91% | 75.97 | 1012.1 | |||||||
| 11 | 04:51 | E 13 | 16.09 | Mostly Cloudy | FEW018 BKN033 BKN250 | 23.9 | 21.7 | 88% | 24 | 75.92 | 1011.4 | ||||||
| 11 | 03:51 | Calm | 16.09 | Mostly Cloudy | FEW017 SCT043 SCT060 BKN250 | 23.9 | 21.7 | 88% | 24 | 76 | 1012.5 | ||||||
| 11 | 01:51 | E 6 | 16.09 | Mostly Cloudy | BKN023 BKN038 | 24.4 | 21.1 | 82% | 25 | 76.05 | 1013.4 | ||||||
| 11 | 00:51 | SE 7 | 16.09 | Mostly Cloudy | BKN023 BKN038 | 23.9 | 21.7 | 27.2 | 23.9 | 88% | 24 | 76.1 | 1013.8 | ||||
| 10 | 23:51 | E 6 | 16.09 | Overcast | FEW023 BKN038 OVC048 | 24.4 | 21.7 | 85% | 25 | 76.12 | 1014.2 | ||||||
| 10 | 22:51 | E 11 | 16.09 | Mostly Cloudy | BKN023 BKN035 BKN047 | 23.9 | 21.1 | 84% | 24 | 76.12 | 1014.4 | ||||||
| 10 | 21:51 | E 9 | 16.09 | Partly Cloudy | FEW025 SCT120 | 24.4 | 21.1 | 82% | 25 | 76.07 | 1013.7 | ||||||
| 10 | 20:51 | E 13 | 16.09 | Partly Cloudy | SCT020 | 25 | 21.7 | 82% | 26 | 76.02 | 1013.2 | ||||||
| 10 | 19:51 | N 15 | 16.09 | Mostly Cloudy | FEW020 FEW035 SCT150 BKN250 | 26.1 | 22.2 | 79% | 28 | 75.97 | 1012.4 | ||||||
| 10 | 18:51 | E 6 | 16.09 | Overcast | FEW030 SCT047 BKN100 BKN160 OVC250 | 26.7 | 22.8 | 30.6 | 26.7 | 79% | 29 | 76 | 1012.6 | ||||
| 10 | 17:51 | Vrbl 7 | 16.09 | Overcast | SCT030 BKN060 BKN200 OVC250 | 27.2 | 22.8 | 77% | 30 | 76.05 | 1013.1 | ||||||
| 10 | 16:51 | E 13 | 16.09 | Overcast | SCT031 BKN055 OVC250 | 28.3 | 22.8 | 72% | 32 | 75.97 | 1012.3 | ||||||
| 10 | 15:51 | NE 11 | 16.09 | Overcast | SCT031 BKN050 BKN080 OVC250 | 28.9 | 23.3 | 72% | 33 | 76 | 1012.5 | ||||||
| 10 | 14:51 | W 9 | 16.09 | Mostly Cloudy | SCT031 BKN046 BKN060 BKN250 | 30.6 | 23.9 | 67% | 36 | 76 | 1012.5 | ||||||
| 10 | 13:51 | Vrbl 6 | 16.09 | Mostly Cloudy | SCT026 SCT055 BKN250 | 29.4 | 23.3 | 70% | 34 | 76 | 1012.7 | ||||||
| 10 | 12:51 | SE 11 | 16.09 | Mostly Cloudy | SCT024 SCT210 BKN250 | 29.4 | 23.3 | 29.4 | 23.3 | 70% | 34 | 76.02 | 1012.9 | ||||
| 10 | 11:51 | Vrbl 9 | 16.09 | Mostly Cloudy | FEW020 FEW043 SCT210 BKN250 | 27.8 | 22.8 | 74% | 31 | 76.05 | 1013.3 | ||||||
| 10 | 10:51 | Calm | 16.09 | Mostly Cloudy | FEW014 FEW050 SCT180 BKN250 | 26.7 | 22.8 | 79% | 29 | 76.05 | 1013.1 | ||||||
| 10 | 09:51 | Calm | 16.09 | Overcast | OVC012 | 25 | 21.7 | 82% | 26 | 76 | 1012.7 | ||||||
| 10 | 08:51 | N 7 | 16.09 | Overcast | OVC012 | 23.9 | 21.7 | 88% | 24 | 76.02 | 1012.9 | ||||||
| 10 | 07:51 | NE 13 | 16.09 | Overcast | BKN014 OVC027 | 23.3 | 21.1 | 88% | 76 | 1012.7 | |||||||
| 10 | 06:51 | W 6 | 16.09 | Overcast | BKN019 BKN025 OVC040 | 23.3 | 21.1 | 25 | 22.2 | 88% | 76 | 1012.6 | |||||
| 10 | 05:51 | Calm | 16.09 | Overcast | BKN018 OVC250 | 22.8 | 20.6 | 87% | 75.92 | 1011.7 | |||||||
| 10 | 04:51 | SW 11 | 16.09 | Mostly Cloudy | BKN022 BKN250 | 22.8 | 20 | 84% | 75.9 | 1011.4 | |||||||
| 10 | 03:51 | SW 13 | 16.09 | Overcast | SCT031 OVC250 | 22.8 | 20 | 84% | 75.9 | 1011.2 | |||||||
| 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) | |||||||||||||||