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. | ||||||||||||||||
| 29 | 13:51 | NW 15 | 16.09 | Overcast | BKN024 OVC038 | 19.4 | 12.8 | 66% | 76.45 | 1018.9 | |||||||
| 29 | 12:51 | W 13 | 16.09 | Overcast | BKN042 OVC110 | 18.9 | 12.2 | 18.9 | 16.7 | 65% | 76.43 | 1018.8 | |||||
| 29 | 11:51 | W 15 | 16.09 | Overcast | OVC036 | 18.9 | 11.7 | 63% | 76.43 | 1018.8 | |||||||
| 29 | 10:51 | W 17 | 16.09 | Mostly Cloudy | FEW048 SCT100 BKN250 | 18.9 | 11.1 | 61% | 76.4 | 1018.3 | |||||||
| 29 | 09:51 | SW 19 | 16.09 | Mostly Cloudy | FEW040 SCT110 BKN140 BKN250 | 17.8 | 10.6 | 63% | 76.38 | 1018.1 | |||||||
| 29 | 08:51 | SW 20 G 35 | 16.09 | Mostly Cloudy | FEW070 SCT120 BKN250 | 17.8 | 10 | 60% | 76.35 | 1017.5 | |||||||
| 29 | 07:51 | SW 15 | 16.09 | Mostly Cloudy | FEW065 FEW130 BKN250 | 16.7 | 9.4 | 62% | 76.3 | 1016.8 | |||||||
| 29 | 05:51 | SW 20 | 16.09 | Mostly Cloudy | FEW075 SCT150 BKN250 | 17.2 | 9.4 | 60% | 76.28 | 1016.7 | |||||||
| 29 | 04:51 | SW 17 G 33 | 16.09 | Mostly Cloudy | FEW075 BKN140 BKN250 | 17.8 | 8.9 | 56% | 76.3 | 1016.9 | |||||||
| 29 | 03:51 | SW 15 G 35 | 16.09 | Mostly Cloudy | BKN075 BKN140 | 18.3 | 8.9 | 54% | 76.3 | 1017.0 | |||||||
| 29 | 01:51 | SW 24 G 39 | 16.09 | Mostly Cloudy | SCT090 BKN140 | 20 | 8.3 | 47% | 76.35 | 1017.7 | |||||||
| 29 | 00:51 | SW 20 G 31 | 16.09 | Overcast | BKN090 OVC140 | 19.4 | 8.9 | 20.6 | 19.4 | 51% | 76.35 | 1017.7 | |||||
| 28 | 23:51 | S 20 G 41 | 16.09 | Mostly Cloudy | SCT090 BKN130 | 19.4 | 8.9 | 51% | 76.35 | 1017.5 | |||||||
| 28 | 22:51 | S 17 | 16.09 | Mostly Cloudy | BKN120 | 20 | 8.9 | 49% | 76.4 | 1018.4 | |||||||
| 28 | 21:51 | S 15 | 16.09 | Mostly Cloudy | BKN120 | 20 | 8.9 | 49% | 76.4 | 1018.4 | |||||||
| 28 | 20:51 | S 15 | 16.09 | Partly Cloudy | SCT100 | 20 | 10 | 53% | 76.4 | 1018.4 | |||||||
| 28 | 19:51 | S 17 | 16.09 | A Few Clouds | FEW095 | 20.6 | 10 | 51% | 76.43 | 1018.7 | |||||||
| 28 | 18:51 | S 11 | 16.09 | A Few Clouds | FEW095 | 20.6 | 10 | 24.4 | 20.6 | 51% | 76.45 | 1019.1 | |||||
| 28 | 17:51 | S 9 | 16.09 | A Few Clouds | FEW085 | 22.2 | 10 | 46% | 76.45 | 1019.0 | |||||||
| 28 | 16:51 | S 19 G 30 | 16.09 | A Few Clouds | FEW080 FEW250 | 23.9 | 10 | 42% | 25 | 76.45 | 1019.1 | ||||||
| 28 | 15:51 | S 22 G 35 | 16.09 | A Few Clouds | FEW250 | 24.4 | 10 | 40% | 25 | 76.48 | 1019.5 | ||||||
| 28 | 13:51 | S 19 G 31 | 16.09 | Fair | CLR | 23.3 | 10 | 43% | 76.56 | 1020.4 | |||||||
| 28 | 12:51 | S 13 | 16.09 | Fair | CLR | 22.8 | 10 | 22.8 | 12.8 | 44% | 76.61 | 1021.2 | |||||
| 28 | 11:51 | Vrbl 7 | 16.09 | Fair | CLR | 22.2 | 10 | 46% | 76.66 | 1021.9 | |||||||
| 28 | 10:51 | SW 13 | 16.09 | Fair | CLR | 20 | 9.4 | 51% | 76.71 | 1022.7 | |||||||
| 28 | 09:51 | S 11 | 16.09 | A Few Clouds | FEW085 | 17.8 | 9.4 | 58% | 76.76 | 1023.1 | |||||||
| 28 | 08:51 | S 7 | 16.09 | A Few Clouds | FEW085 | 15 | 9.4 | 69% | 76.76 | 1023.2 | |||||||
| 28 | 07:51 | S 6 | 16.09 | Mostly Cloudy | BKN090 | 13.9 | 9.4 | 74% | 76.73 | 1022.9 | |||||||
| 28 | 06:51 | S 6 | 16.09 | Mostly Cloudy | BKN095 | 12.8 | 8.9 | 15.6 | 12.8 | 77% | 76.71 | 1022.8 | |||||
| 28 | 05:51 | S 6 | 16.09 | A Few Clouds | FEW110 FEW200 | 13.3 | 8.3 | 72% | 76.71 | 1022.5 | |||||||
| 28 | 04:51 | S 7 | 16.09 | Partly Cloudy | FEW110 SCT180 | 13.9 | 8.3 | 69% | 76.68 | 1022.3 | |||||||
| 28 | 03:51 | S 6 | 16.09 | Mostly Cloudy | BKN110 BKN180 | 15 | 8.3 | 64% | 76.68 | 1022.3 | |||||||
| 28 | 02:51 | S 9 | 16.09 | Mostly Cloudy | BKN120 BKN180 | 15 | 8.3 | 64% | 76.68 | 1022.2 | |||||||
| 28 | 01:51 | S 9 | 16.09 | Mostly Cloudy | BKN150 BKN200 | 15 | 8.9 | 67% | 76.66 | 1021.9 | |||||||
| 28 | 00:51 | S 6 | 16.09 | Mostly Cloudy | FEW150 BKN190 BKN250 | 14.4 | 8.9 | 18.9 | 13.9 | 70% | 76.68 | 1022.0 | |||||
| 27 | 23:51 | S 9 | 16.09 | Partly Cloudy | SCT150 SCT250 | 14.4 | 8.9 | 70% | 76.68 | 1022.1 | |||||||
| 27 | 22:51 | S 7 | 16.09 | Partly Cloudy | FEW140 SCT250 | 15 | 10 | 72% | 76.68 | 1022.4 | |||||||
| 27 | 21:51 | S 7 | 16.09 | Mostly Cloudy | SCT140 BKN170 BKN250 | 16.7 | 9.4 | 62% | 76.68 | 1022.2 | |||||||
| 27 | 19:51 | S 7 | 16.09 | Overcast | BKN180 OVC250 | 18.3 | 10.6 | 61% | 76.68 | 1022.3 | |||||||
| 27 | 18:51 | SE 11 | 16.09 | Overcast | BKN170 OVC250 | 18.9 | 11.1 | 20.6 | 18.3 | 61% | 76.68 | 1022.2 | |||||
| 27 | 17:51 | SE 9 | 16.09 | Overcast | BKN170 OVC250 | 18.9 | 10.6 | 59% | 76.66 | 1021.8 | |||||||
| 27 | 16:51 | SE 7 | 16.09 | Overcast | SCT210 OVC250 | 19.4 | 11.1 | 59% | 76.66 | 1022.0 | |||||||
| 27 | 15:51 | S 11 | 16.09 | Mostly Cloudy | BKN250 | 20 | 10.6 | 55% | 76.66 | 1021.9 | |||||||
| 27 | 14:51 | S 11 | 16.09 | Mostly Cloudy | FEW210 BKN250 | 20 | 11.1 | 57% | 76.68 | 1022.1 | |||||||
| 27 | 13:51 | SE 13 | 16.09 | Mostly Cloudy | SCT210 BKN250 | 20 | 11.1 | 57% | 76.71 | 1022.5 | |||||||
| 27 | 12:51 | S 11 | 16.09 | Overcast | SCT180 OVC250 | 18.3 | 11.1 | 18.9 | 11.7 | 63% | 76.78 | 1023.8 | |||||
| 27 | 11:51 | S 7 | 12.87 | Overcast | BKN180 OVC250 | 16.7 | 10.6 | 67% | 76.84 | 1024.5 | |||||||
| 27 | 10:51 | S 11 | 12.87 | Mostly Cloudy | FEW210 BKN250 | 15.6 | 10.6 | 72% | 76.86 | 1024.7 | |||||||
| 27 | 09:51 | SE 11 | 12.87 | Mostly Cloudy | FEW210 BKN250 | 13.9 | 10.6 | 81% | 76.89 | 1025.1 | |||||||
| 27 | 08:51 | SE 17 | 11.27 | Mostly Cloudy | BKN250 | 13.3 | 10.6 | 84% | 76.89 | 1025.0 | |||||||
| 27 | 07:51 | SE 11 | 9.66 | Fog/Mist | FEW220 BKN250 | 12.8 | 10.6 | 87% | 76.89 | 1025.0 | |||||||
| 27 | 06:51 | SE 6 | 16.09 | Mostly Cloudy | FEW150 BKN250 | 11.7 | 10 | 13.3 | 11.7 | 89% | 76.86 | 1024.9 | |||||
| 27 | 05:51 | E 7 | 16.09 | Mostly Cloudy | FEW150 BKN250 | 11.7 | 10 | 89% | 76.86 | 1024.7 | |||||||
| 27 | 04:51 | E 9 | 16.09 | Mostly Cloudy | FEW150 BKN250 | 12.2 | 9.4 | 83% | 76.86 | 1024.7 | |||||||
| 27 | 03:51 | NE 7 | 16.09 | Mostly Cloudy | FEW150 BKN250 | 12.8 | 9.4 | 80% | 76.86 | 1024.7 | |||||||
| 27 | 02:51 | NE 11 | 16.09 | Mostly Cloudy | FEW140 SCT200 BKN250 | 13.3 | 10 | 81% | 76.86 | 1024.7 | |||||||
| 27 | 01:51 | NE 9 | 16.09 | Mostly Cloudy | SCT130 BKN200 | 12.8 | 10 | 83% | 76.86 | 1024.7 | |||||||
| 27 | 00:51 | NE 9 | 16.09 | Mostly Cloudy | BKN140 BKN210 | 12.2 | 9.4 | 13.3 | 12.2 | 83% | 76.89 | 1025.2 | |||||
| 26 | 23:51 | NE 13 | 16.09 | Mostly Cloudy | BKN140 BKN210 BKN250 | 13.3 | 9.4 | 77% | 76.91 | 1025.5 | |||||||
| 26 | 22:51 | NE 17 | 16.09 | Mostly Cloudy | BKN140 BKN210 BKN250 | 13.3 | 9.4 | 77% | 76.96 | 1025.9 | |||||||
| 26 | 21:51 | NE 19 | 16.09 | Overcast | BKN140 BKN200 OVC250 | 13.3 | 8.9 | 75% | 76.99 | 1026.3 | |||||||
| 26 | 20:51 | N 19 | 16.09 | Overcast | BKN150 BKN200 OVC250 | 12.8 | 8.3 | 74% | 77.01 | 1026.7 | |||||||
| 26 | 19:51 | NE 19 | 16.09 | Mostly Cloudy | BKN140 BKN250 | 13.3 | 8.3 | 72% | 77.01 | 1026.7 | |||||||
| 26 | 18:51 | NE 22 | 16.09 | Mostly Cloudy | BKN150 BKN250 | 13.3 | 7.8 | 16.7 | 13.3 | 70% | 77.01 | 1026.7 | |||||
| 26 | 17:51 | N 26 | 16.09 | Mostly Cloudy | BKN150 BKN250 | 13.3 | 7.2 | 67% | 76.99 | 1026.5 | |||||||
| 26 | 16:51 | N 28 | 16.09 | Mostly Cloudy | BKN160 BKN250 | 13.9 | 7.8 | 67% | 76.99 | 1026.6 | |||||||
| 26 | 15:51 | NE 28 | 16.09 | Mostly Cloudy | BKN200 BKN250 | 15.6 | 6.7 | 56% | 77.01 | 1026.9 | |||||||
| 26 | 14:51 | NE 22 | 16.09 | Mostly Cloudy | SCT200 BKN250 | 15 | 7.2 | 60% | 77.01 | 1027.0 | |||||||
| 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) | |||||||||||||||