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. | ||||||||||||||||
| 27 | 12:51 | Vrbl 6 | 16.09 | Mostly Cloudy | BKN300 | 20.6 | 8.3 | 21.1 | 10 | 45% | 76.48 | 1019.6 | |||||
| 27 | 11:51 | Vrbl 7 | 16.09 | Mostly Cloudy | BKN300 | 20.6 | 8.3 | 45% | 76.53 | 1020.1 | |||||||
| 27 | 10:51 | NE 13 | 16.09 | Mostly Cloudy | FEW030 BKN300 | 19.4 | 8.3 | 49% | 76.56 | 1020.4 | |||||||
| 27 | 09:51 | N 6 | 16.09 | Mostly Cloudy | FEW002 BKN250 | 17.2 | 13.3 | 78% | 76.56 | 1020.5 | |||||||
| 27 | 08:51 | NW 6 | 1.61 | Fog/Mist | SCT002 SCT250 | 13.3 | 12.8 | 97% | 76.53 | 1020.5 | |||||||
| 27 | 07:51 | Calm | 0.40 | Fog | SCT001 SCT250 | 11.7 | 11.1 | 96% | 76.53 | 1020.4 | |||||||
| 27 | 06:51 | W 6 | 0.80 | Fog | SCT001 BKN250 | 10 | 8.9 | 12.2 | 9.4 | 93% | 76.5 | 1020.1 | |||||
| 27 | 05:51 | N 6 | 16.09 | Partly Cloudy | SCT250 | 10 | 8.3 | 89% | 76.48 | 1019.7 | |||||||
| 27 | 04:51 | Calm | 16.09 | A Few Clouds | FEW250 | 10 | 8.9 | 93% | 76.48 | 1019.4 | |||||||
| 27 | 03:51 | N 6 | 16.09 | Fair | CLR | 10.6 | 9.4 | 92% | 76.45 | 1019.2 | |||||||
| 27 | 02:51 | Calm | 16.09 | A Few Clouds | FEW300 | 10.6 | 8.9 | 89% | 76.48 | 1019.6 | |||||||
| 27 | 01:51 | Calm | 16.09 | Fair | CLR | 11.7 | 9.4 | 86% | 76.48 | 1019.7 | |||||||
| 27 | 00:51 | N 6 | 16.09 | Partly Cloudy | SCT250 | 11.7 | 9.4 | 15.6 | 11.7 | 86% | 76.5 | 1020.1 | |||||
| 26 | 23:51 | NE 9 | 16.09 | Partly Cloudy | SCT250 | 12.8 | 9.4 | 80% | 76.56 | 1020.4 | |||||||
| 26 | 22:51 | NE 6 | 16.09 | Partly Cloudy | SCT250 | 12.8 | 8.9 | 77% | 76.56 | 1020.5 | |||||||
| 26 | 21:51 | Calm | 16.09 | Fair | CLR | 13.3 | 8.9 | 75% | 76.56 | 1020.5 | |||||||
| 26 | 20:51 | E 11 | 16.09 | Mostly Cloudy | BKN250 | 14.4 | 9.4 | 72% | 76.53 | 1020.4 | |||||||
| 26 | 19:51 | E 9 | 16.09 | Mostly Cloudy | BKN250 | 14.4 | 9.4 | 72% | 76.53 | 1020.3 | |||||||
| 26 | 18:51 | NE 11 | 16.09 | Mostly Cloudy | BKN250 | 15 | 7.8 | 20.6 | 15 | 62% | 76.53 | 1020.5 | |||||
| 26 | 17:51 | NE 11 | 16.09 | Mostly Cloudy | BKN250 | 16.7 | 8.3 | 58% | 76.56 | 1020.5 | |||||||
| 26 | 16:51 | NE 15 | 16.09 | Mostly Cloudy | BKN250 | 18.9 | 8.3 | 50% | 76.56 | 1020.6 | |||||||
| 26 | 15:51 | NE 13 | 16.09 | Mostly Cloudy | BKN250 | 18.9 | 7.2 | 47% | 76.58 | 1021.0 | |||||||
| 26 | 14:51 | E 13 | 16.09 | Mostly Cloudy | BKN300 | 20 | 7.8 | 45% | 76.63 | 1021.5 | |||||||
| 26 | 13:51 | NE 15 | 16.09 | Mostly Cloudy | BKN250 | 20 | 8.3 | 47% | 76.66 | 1022.1 | |||||||
| 26 | 12:51 | Calm | 16.09 | Mostly Cloudy | BKN250 | 20 | 8.3 | 20 | 11.7 | 47% | 76.73 | 1022.7 | |||||
| 26 | 11:51 | S 7 | 16.09 | Partly Cloudy | SCT250 | 18.9 | 8.9 | 52% | 76.76 | 1023.3 | |||||||
| 26 | 10:51 | E 6 | 16.09 | Partly Cloudy | FEW030 FEW120 SCT250 | 17.8 | 9.4 | 58% | 76.81 | 1023.9 | |||||||
| 26 | 09:51 | Vrbl 7 | 16.09 | Partly Cloudy | FEW005 SCT250 | 17.2 | 11.1 | 68% | 76.81 | 1024.0 | |||||||
| 26 | 08:51 | E 9 | 16.09 | A Few Clouds | FEW002 FEW250 | 16.1 | 11.7 | 75% | 76.81 | 1023.9 | |||||||
| 26 | 07:51 | E 6 | 16.09 | A Few Clouds | FEW120 FEW250 | 13.3 | 10.6 | 84% | 76.78 | 1023.8 | |||||||
| 26 | 06:51 | E 6 | 16.09 | A Few Clouds | FEW120 FEW250 | 11.7 | 9.4 | 14.4 | 10.6 | 86% | 76.76 | 1023.3 | |||||
| 26 | 05:51 | NE 6 | 16.09 | A Few Clouds | FEW250 | 11.1 | 8.3 | 83% | 76.73 | 1023.0 | |||||||
| 26 | 04:51 | Calm | 16.09 | A Few Clouds | FEW120 FEW250 | 11.7 | 9.4 | 86% | 76.76 | 1023.2 | |||||||
| 26 | 03:51 | N 6 | 16.09 | A Few Clouds | FEW300 | 11.7 | 10 | 89% | 76.76 | 1023.3 | |||||||
| 26 | 02:51 | Calm | 16.09 | Fair | CLR | 12.2 | 10 | 87% | 76.73 | 1023.1 | |||||||
| 26 | 01:51 | Calm | 16.09 | A Few Clouds | FEW300 | 11.7 | 9.4 | 86% | 76.76 | 1023.4 | |||||||
| 26 | 00:51 | NE 9 | 16.09 | A Few Clouds | FEW300 | 13.9 | 10.6 | 16.1 | 13.3 | 81% | 76.78 | 1023.8 | |||||
| 25 | 23:51 | NE 9 | 16.09 | A Few Clouds | FEW250 | 13.9 | 9.4 | 74% | 76.84 | 1024.2 | |||||||
| 25 | 22:51 | NE 11 | 16.09 | A Few Clouds | FEW120 FEW250 | 14.4 | 8.9 | 70% | 76.86 | 1024.6 | |||||||
| 25 | 21:51 | E 13 | 16.09 | A Few Clouds | FEW250 | 15 | 8.9 | 67% | 76.86 | 1024.7 | |||||||
| 25 | 20:51 | E 9 | 16.09 | A Few Clouds | FEW120 FEW250 | 15 | 10 | 72% | 76.86 | 1024.7 | |||||||
| 25 | 19:51 | E 9 | 16.09 | Mostly Cloudy | BKN110 BKN250 | 15 | 10 | 72% | 76.86 | 1024.7 | |||||||
| 25 | 18:51 | E 9 | 16.09 | Mostly Cloudy | BKN110 BKN250 | 16.1 | 10 | 17.8 | 16.1 | 67% | 76.84 | 1024.4 | |||||
| 25 | 17:51 | E 11 | 16.09 | Overcast | BKN100 OVC250 | 17.2 | 9.4 | 60% | 76.84 | 1024.4 | |||||||
| 25 | 16:51 | E 11 | 16.09 | Overcast | OVC100 | 17.2 | 9.4 | 60% | 76.86 | 1024.5 | |||||||
| 25 | 15:51 | E 11 | 16.09 | Overcast | OVC100 | 17.8 | 9.4 | 58% | 76.89 | 1025.0 | |||||||
| 25 | 14:51 | E 11 | 16.09 | Overcast | FEW055 OVC100 | 17.8 | 10 | 60% | 76.91 | 1025.2 | |||||||
| 25 | 13:51 | E 15 | 16.09 | Overcast | OVC100 | 17.8 | 10 | 60% | 76.94 | 1025.4 | |||||||
| 25 | 12:51 | E 13 | 16.09 | Overcast | OVC100 | 17.8 | 11.1 | 17.8 | 15.6 | 65% | 76.99 | 1026.4 | |||||
| 25 | 11:51 | E 9 | 16.09 | Overcast | FEW080 OVC110 | 17.8 | 12.2 | 70% | 77.01 | 1026.7 | |||||||
| 25 | 10:51 | E 9 | 16.09 | Overcast | FEW080 OVC110 | 17.2 | 12.8 | 76% | 77.04 | 1026.8 | |||||||
| 25 | 09:51 | E 7 | 16.09 | Overcast | FEW025 FEW080 OVC130 | 17.2 | 12.2 | 73% | 77.04 | 1027.0 | |||||||
| 25 | 08:51 | E 7 | 16.09 | Overcast | FEW100 OVC120 | 16.7 | 13.3 | 80% | 77.04 | 1026.9 | |||||||
| 25 | 07:51 | E 6 | 16.09 | Overcast | FEW100 OVC120 | 16.1 | 12.8 | 81% | 77.01 | 1026.7 | |||||||
| 25 | 06:51 | E 6 | 16.09 | Overcast | BKN130 OVC180 | 15.6 | 12.8 | 17.2 | 15.6 | 84% | 76.99 | 1026.3 | |||||
| 25 | 05:51 | E 9 | 16.09 | Overcast | FEW020 BKN150 OVC250 | 16.1 | 12.8 | 81% | 76.94 | 1025.7 | |||||||
| 25 | 04:51 | NE 11 | 16.09 | Overcast | BKN160 OVC250 | 16.1 | 13.3 | 84% | 76.91 | 1025.4 | |||||||
| 25 | 03:51 | E 9 | 16.09 | Overcast | FEW050 BKN160 OVC250 | 16.1 | 13.9 | 87% | 76.89 | 1024.9 | |||||||
| 25 | 02:51 | E 7 | 16.09 | Overcast | SCT050 BKN160 OVC250 | 16.7 | 13.3 | 80% | 76.91 | 1025.2 | |||||||
| 25 | 01:51 | E 9 | 16.09 | Overcast | FEW020 BKN050 OVC250 | 16.7 | 12.8 | 78% | 76.94 | 1025.5 | |||||||
| 25 | 00:51 | SE 9 | 16.09 | Mostly Cloudy | BKN050 BKN250 | 17.2 | 12.8 | 18.3 | 17.2 | 76% | 76.94 | 1025.4 | |||||
| 24 | 23:51 | SE 6 | 16.09 | Mostly Cloudy | BKN050 BKN250 | 17.2 | 12.8 | 76% | 76.94 | 1025.6 | |||||||
| 24 | 22:51 | E 13 | 16.09 | Overcast | OVC050 | 17.8 | 12.8 | 73% | 76.94 | 1025.6 | |||||||
| 24 | 21:51 | SE 13 | 16.09 | Overcast | OVC050 | 17.8 | 12.8 | 73% | 76.96 | 1025.9 | |||||||
| 24 | 20:51 | E 9 | 16.09 | Overcast | OVC050 | 17.8 | 13.3 | 75% | 76.99 | 1026.2 | |||||||
| 24 | 19:51 | E 13 | 16.09 | Overcast | OVC050 | 18.3 | 12.8 | 70% | 76.99 | 1026.3 | |||||||
| 24 | 18:51 | E 11 | 16.09 | Overcast | OVC050 | 18.3 | 11.7 | 21.1 | 18.3 | 66% | 76.99 | 1026.1 | |||||
| 24 | 17:51 | E 13 | 16.09 | Mostly Cloudy | BKN050 BKN250 | 18.9 | 11.7 | 63% | 76.96 | 1026.1 | |||||||
| 24 | 16:51 | NE 15 | 16.09 | Mostly Cloudy | BKN055 BKN250 | 19.4 | 12.2 | 63% | 76.94 | 1025.4 | |||||||
| 24 | 15:51 | NE 19 | 16.09 | Mostly Cloudy | FEW035 BKN050 BKN250 | 20.6 | 9.4 | 49% | 76.94 | 1025.5 | |||||||
| 24 | 14:51 | E 20 | 16.09 | Mostly Cloudy | FEW035 FEW050 BKN250 | 20.6 | 8.9 | 47% | 76.94 | 1025.5 | |||||||
| 24 | 13:51 | NE 20 | 16.09 | Mostly Cloudy | BKN055 BKN250 | 20.6 | 8.9 | 47% | 76.96 | 1025.9 | |||||||
| 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) | |||||||||||||||