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. | ||||||||||||||||
| 10 | 13:51 | NE 13 | 16.09 | Mostly Cloudy | FEW018 FEW032 BKN250 | 27.2 | 17.8 | 57% | 28 | 76.02 | 1013.2 | ||||||
| 10 | 12:51 | NE 13 | 16.09 | Mostly Cloudy | FEW018 FEW032 BKN250 | 26.7 | 17.2 | 26.7 | 21.1 | 56% | 27 | 76.05 | 1013.3 | ||||
| 10 | 11:51 | NE 15 | 16.09 | Mostly Cloudy | FEW018 SCT035 BKN070 BKN250 | 25.6 | 16.7 | 58% | 26 | 76.07 | 1013.7 | ||||||
| 10 | 10:51 | N 15 | 16.09 | Mostly Cloudy | FEW015 FEW033 BKN250 | 26.1 | 18.3 | 62% | 27 | 76.02 | 1013.0 | ||||||
| 10 | 09:51 | N 13 | 16.09 | Partly Cloudy | FEW038 FEW150 SCT250 | 25 | 18.3 | 66% | 26 | 76.02 | 1012.8 | ||||||
| 10 | 08:51 | N 13 | 16.09 | Partly Cloudy | FEW038 SCT250 | 23.9 | 18.9 | 74% | 25 | 76.02 | 1012.8 | ||||||
| 10 | 07:51 | NE 11 | 16.09 | Mostly Cloudy | FEW010 FEW037 BKN250 | 22.2 | 18.9 | 82% | 75.97 | 1012.2 | |||||||
| 10 | 06:51 | NE 13 | 16.09 | Mostly Cloudy | FEW008 SCT120 BKN250 | 21.1 | 18.9 | 22.2 | 20.6 | 87% | 75.97 | 1012.1 | |||||
| 10 | 05:51 | NE 11 | 16.09 | Partly Cloudy | FEW010 FEW110 SCT250 | 21.1 | 18.9 | 87% | 75.95 | 1011.8 | |||||||
| 10 | 04:51 | N 11 | 16.09 | Partly Cloudy | FEW010 SCT110 | 21.1 | 18.9 | 87% | 75.92 | 1011.5 | |||||||
| 10 | 03:51 | NE 9 | 16.09 | Mostly Cloudy | FEW007 SCT035 BKN070 BKN130 | 21.1 | 19.4 | 90% | 75.87 | 1010.8 | |||||||
| 10 | 02:51 | NE 13 | 16.09 | Overcast | BKN007 OVC035 | 21.1 | 20 | 93% | 75.87 | 1010.9 | |||||||
| 10 | 01:51 | N 17 | 16.09 | Overcast | OVC007 | 21.7 | 20 | 90% | 75.84 | 1010.5 | |||||||
| 10 | 00:51 | N 19 | 14.48 | Overcast | BKN008 BKN040 OVC100 | 22.2 | 20.6 | 29.4 | 22.2 | 91% | 75.87 | 1010.9 | |||||
| 09 | 23:51 | NE 15 | 14.48 | Mostly Cloudy | FEW010 SCT040 BKN100 BKN250 | 22.8 | 20.6 | 87% | 75.84 | 1010.7 | |||||||
| 09 | 22:51 | NE 20 | 16.09 | Thunderstorm | SCT034CB BKN090 BKN150 OVC250 | 22.8 | 20.6 | 87% | 75.84 | 1010.6 | |||||||
| 09 | 21:51 | E 15 | 16.09 | Overcast | BKN034CB BKN090 BKN150 OVC250 | 25.6 | 20.6 | 74% | 27 | 75.84 | 1010.7 | ||||||
| 09 | 20:51 | W 7 | 16.09 | Thunderstorm | SCT040CB BKN095 BKN130 OVC250 | 27.2 | 21.1 | 69% | 29 | 75.79 | 1010.0 | ||||||
| 09 | 19:51 | W 11 | 16.09 | Overcast | SCT039CB SCT090 BKN130 OVC250 | 28.9 | 21.1 | 63% | 31 | 75.77 | 1009.6 | ||||||
| 09 | 18:51 | W 7 | 16.09 | Mostly Cloudy | FEW040 BKN250 | 29.4 | 21.1 | 30.6 | 27.8 | 61% | 32 | 75.74 | 1009.3 | ||||
| 09 | 17:51 | W 9 | 16.09 | Mostly Cloudy | SCT042 BKN250 | 30 | 21.1 | 59% | 33 | 75.77 | 1009.5 | ||||||
| 09 | 16:51 | SW 11 | 16.09 | Overcast | SCT040 OVC250 | 30 | 21.1 | 59% | 33 | 75.77 | 1009.5 | ||||||
| 09 | 15:51 | W 11 | 16.09 | Mostly Cloudy | FEW037 BKN250 | 30 | 21.1 | 59% | 33 | 75.79 | 1009.9 | ||||||
| 09 | 14:51 | W 9 | 16.09 | Mostly Cloudy | FEW035 SCT130 BKN250 | 28.9 | 20 | 59% | 31 | 75.82 | 1010.2 | ||||||
| 09 | 13:51 | W 11 | 16.09 | Mostly Cloudy | FEW033 SCT080 BKN100 BKN150 BKN250 | 28.3 | 20.6 | 63% | 30 | 75.87 | 1010.8 | ||||||
| 09 | 12:51 | W 13 G 28 | 16.09 | Mostly Cloudy | FEW033 SCT075 BKN090 BKN170 BKN250 | 28.3 | 20.6 | 28.3 | 23.9 | 63% | 30 | 75.92 | 1011.6 | ||||
| 09 | 11:51 | SW 17 | 16.09 | Mostly Cloudy | FEW050 SCT110 BKN150 BKN250 | 27.8 | 20.6 | 65% | 30 | 75.92 | 1011.7 | ||||||
| 09 | 10:51 | SW 11 | 16.09 | Overcast | FEW050 BKN110 BKN150 OVC250 | 27.2 | 20 | 65% | 29 | 75.95 | 1011.9 | ||||||
| 09 | 09:51 | SW 13 | 16.09 | Overcast | FEW070 SCT130 BKN160 OVC250 | 27.2 | 20 | 65% | 29 | 75.92 | 1011.6 | ||||||
| 09 | 08:51 | W 11 | 16.09 | Mostly Cloudy | FEW070 BKN140 BKN250 | 26.1 | 20.6 | 72% | 28 | 75.95 | 1011.8 | ||||||
| 09 | 07:51 | SW 9 | 16.09 | Mostly Cloudy | FEW043 FEW060 BKN160 BKN250 | 24.4 | 20.6 | 79% | 25 | 75.92 | 1011.6 | ||||||
| 09 | 06:51 | SW 13 | 16.09 | Mostly Cloudy | FEW040 SCT055 BKN160 BKN190 | 23.9 | 20 | 25 | 23.3 | 79% | 24 | 75.92 | 1011.6 | ||||
| 09 | 05:51 | SW 9 | 16.09 | Mostly Cloudy | FEW040 BKN200 BKN250 | 23.3 | 19.4 | 79% | 75.9 | 1011.1 | |||||||
| 09 | 04:51 | Calm | 16.09 | Mostly Cloudy | BKN250 | 23.9 | 18.9 | 74% | 25 | 75.84 | 1010.3 | ||||||
| 09 | 03:51 | SW 6 | 16.09 | Mostly Cloudy | BKN250 | 23.9 | 18.9 | 74% | 25 | 75.87 | 1010.7 | ||||||
| 09 | 02:51 | S 11 | 16.09 | Mostly Cloudy | BKN250 | 23.9 | 18.9 | 74% | 25 | 75.84 | 1010.6 | ||||||
| 09 | 01:51 | S 9 | 16.09 | Mostly Cloudy | BKN250 | 24.4 | 18.9 | 72% | 25 | 75.97 | 1012.1 | ||||||
| 09 | 00:51 | S 7 | 16.09 | Mostly Cloudy | BKN250 | 25 | 19.4 | 30 | 25 | 71% | 26 | 76 | 1012.6 | ||||
| 08 | 23:51 | SW 7 | 16.09 | Overcast | OVC250 | 25.6 | 19.4 | 69% | 27 | 76.02 | 1013.0 | ||||||
| 08 | 22:51 | SW 7 | 16.09 | Overcast | OVC250 | 26.1 | 19.4 | 67% | 27 | 76.05 | 1013.3 | ||||||
| 08 | 21:51 | SW 6 | 16.09 | Overcast | OVC250 | 27.2 | 19.4 | 62% | 29 | 76.05 | 1013.3 | ||||||
| 08 | 20:51 | SW 7 | 16.09 | Mostly Cloudy | FEW170 BKN250 | 27.8 | 18.9 | 58% | 29 | 75.97 | 1012.3 | ||||||
| 08 | 19:51 | SW 15 | 16.09 | Mostly Cloudy | FEW050 BKN250 | 28.9 | 18.3 | 53% | 30 | 75.97 | 1012.3 | ||||||
| 08 | 18:51 | SW 13 | 16.09 | A Few Clouds | FEW055 FEW250 | 30 | 17.8 | 31.7 | 30 | 48% | 31 | 76 | 1012.5 | ||||
| 08 | 17:51 | SW 17 | 16.09 | Partly Cloudy | FEW060 SCT250 | 31.1 | 17.2 | 43% | 32 | 76.02 | 1012.9 | ||||||
| 08 | 16:51 | W 9 | 16.09 | Partly Cloudy | SCT060 SCT250 | 31.1 | 16.1 | 40% | 31 | 76.02 | 1013.0 | ||||||
| 08 | 15:51 | S 17 | 16.09 | A Few Clouds | FEW050 FEW250 | 31.1 | 17.8 | 45% | 32 | 76.07 | 1013.6 | ||||||
| 08 | 14:51 | SW 9 | 16.09 | A Few Clouds | FEW055 FEW250 | 31.1 | 17.8 | 45% | 32 | 76.12 | 1014.4 | ||||||
| 08 | 13:51 | W 9 | 16.09 | Partly Cloudy | SCT050 SCT250 | 30.6 | 17.2 | 45% | 31 | 76.2 | 1015.5 | ||||||
| 08 | 12:51 | W 13 | 16.09 | A Few Clouds | FEW050 | 30 | 16.7 | 30 | 22.8 | 45% | 30 | 76.25 | 1016.0 | ||||
| 08 | 11:51 | SW 11 | 16.09 | A Few Clouds | FEW050 FEW080 | 29.4 | 16.7 | 46% | 30 | 76.3 | 1016.7 | ||||||
| 08 | 10:51 | W 11 | 16.09 | A Few Clouds | FEW080 FEW250 | 28.9 | 16.7 | 48% | 29 | 76.33 | 1016.9 | ||||||
| 08 | 09:51 | SW 17 | 16.09 | A Few Clouds | FEW060 FEW250 | 27.8 | 16.7 | 51% | 28 | 76.33 | 1017.0 | ||||||
| 08 | 08:51 | W 13 | 16.09 | A Few Clouds | FEW060 FEW250 | 26.7 | 17.8 | 58% | 28 | 76.35 | 1017.5 | ||||||
| 08 | 07:51 | W 7 | 16.09 | A Few Clouds | FEW060 FEW250 | 25 | 17.8 | 64% | 26 | 76.38 | 1017.5 | ||||||
| 08 | 06:51 | SW 9 | 16.09 | A Few Clouds | FEW060 FEW250 | 22.8 | 16.1 | 22.8 | 20 | 66% | 76.35 | 1017.2 | |||||
| 08 | 05:51 | W 9 | 16.09 | A Few Clouds | FEW040 FEW250 | 21.1 | 15.6 | 71% | 76.35 | 1017.3 | |||||||
| 08 | 04:51 | W 9 | 16.09 | A Few Clouds | FEW250 | 20.6 | 15 | 70% | 76.3 | 1016.8 | |||||||
| 08 | 03:51 | W 6 | 16.09 | A Few Clouds | FEW250 | 20.6 | 15 | 70% | 76.3 | 1016.8 | |||||||
| 08 | 02:51 | Calm | 16.09 | Fair | CLR | 20.6 | 15 | 70% | 76.3 | 1016.9 | |||||||
| 08 | 01:51 | Calm | 16.09 | Fair | CLR | 21.1 | 14.4 | 66% | 76.25 | 1016.1 | |||||||
| 08 | 00:51 | Calm | 16.09 | Fair | CLR | 22.2 | 13.9 | 28.3 | 22.2 | 59% | 76.28 | 1016.4 | |||||
| 07 | 23:51 | S 6 | 16.09 | Fair | CLR | 23.9 | 12.8 | 50% | 25 | 76.33 | 1016.9 | ||||||
| 07 | 22:51 | S 6 | 16.09 | Fair | CLR | 24.4 | 12.8 | 48% | 26 | 76.35 | 1017.3 | ||||||
| 07 | 21:51 | SE 7 | 16.09 | Fair | CLR | 24.4 | 12.2 | 47% | 26 | 76.38 | 1017.8 | ||||||
| 07 | 20:51 | E 11 | 16.09 | A Few Clouds | FEW250 | 24.4 | 12.8 | 48% | 26 | 76.33 | 1017.2 | ||||||
| 07 | 19:51 | E 11 | 16.09 | A Few Clouds | FEW050 FEW250 | 26.1 | 13.3 | 45% | 26 | 76.33 | 1017.0 | ||||||
| 07 | 18:51 | E 11 | 16.09 | A Few Clouds | FEW055 FEW250 | 28.3 | 13.9 | 29.4 | 27.8 | 41% | 28 | 76.33 | 1017.2 | ||||
| 07 | 17:51 | NE 15 | 16.09 | Partly Cloudy | FEW055 SCT250 | 28.3 | 13.9 | 41% | 28 | 76.33 | 1017.3 | ||||||
| 07 | 16:51 | NE 9 | 16.09 | Mostly Cloudy | FEW055 BKN250 | 29.4 | 15.6 | 43% | 29 | 76.35 | 1017.3 | ||||||
| 07 | 15:51 | NE 7 | 16.09 | Partly Cloudy | FEW050 SCT250 | 29.4 | 15.6 | 43% | 29 | 76.35 | 1017.5 | ||||||
| 07 | 14:51 | SE 19 | 16.09 | A Few Clouds | FEW050 FEW250 | 28.3 | 16.7 | 49% | 29 | 76.35 | 1017.6 | ||||||
| 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) | |||||||||||||||