Weather observations for the past three days for
Chicago, Chicago-O'Hare International Airport
| Date | Time (cdt) | Wind (mph) | Vis. (mi.) | Weather | Sky Cond. | Temperature (ºF) | Relative Humidity | Wind Chill (°F) | Heat Index (°F) | Pressure | Precipitation (in) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Air | Dwpt | 6 hour | altimeter (in) | sea level (mb) | 1 hr | 3 hr | 6 hr | ||||||||||
| Max. | Min. | ||||||||||||||||
| 27 | 23:51 | NW 3 | 10.00 | A Few Clouds | FEW250 | 57 | 54 | 90% | 30.08 | 1018.6 | |||||||
| 27 | 22:51 | NW 5 | 10.00 | A Few Clouds | FEW250 | 57.9 | 54 | 87% | 30.08 | 1018.6 | |||||||
| 27 | 21:51 | N 6 | 10.00 | Partly Cloudy | SCT250 | 59 | 54 | 83% | 30.09 | 1018.8 | |||||||
| 27 | 20:51 | N 5 | 10.00 | Partly Cloudy | SCT250 | 59 | 54 | 83% | 30.08 | 1018.7 | |||||||
| 27 | 19:51 | N 10 | 10.00 | Mostly Cloudy | BKN250 | 62.1 | 54 | 75% | 30.08 | 1018.4 | |||||||
| 27 | 18:51 | NE 9 | 10.00 | Mostly Cloudy | BKN250 | 63 | 52 | 72 | 63 | 68% | 30.07 | 1018.4 | |||||
| 27 | 17:51 | NE 9 | 10.00 | Mostly Cloudy | BKN250 | 66 | 46.9 | 50% | 30.07 | 1018.1 | |||||||
| 27 | 16:51 | NE 8 | 10.00 | Mostly Cloudy | BKN250 | 69.1 | 48 | 47% | 30.06 | 1018.0 | |||||||
| 27 | 15:51 | NE 8 | 10.00 | Mostly Cloudy | BKN300 | 70 | 48 | 46% | 30.07 | 1018.0 | |||||||
| 27 | 14:51 | NE 10 | 10.00 | Partly Cloudy | SCT300 | 72 | 48.9 | 44% | 30.08 | 1018.3 | |||||||
| 27 | 13:51 | NE 9 | 10.00 | Mostly Cloudy | BKN300 | 71.1 | 44.1 | 38% | 30.09 | 1018.7 | |||||||
| 27 | 12:51 | Vrbl 3 | 10.00 | Mostly Cloudy | BKN300 | 69.1 | 46.9 | 70 | 50 | 45% | 30.11 | 1019.6 | |||||
| 27 | 11:51 | Vrbl 5 | 10.00 | Mostly Cloudy | BKN300 | 69.1 | 46.9 | 45% | 30.13 | 1020.1 | |||||||
| 27 | 10:51 | NE 8 | 10.00 | Mostly Cloudy | FEW030 BKN300 | 66.9 | 46.9 | 49% | 30.14 | 1020.4 | |||||||
| 27 | 09:51 | N 3 | 10.00 | Mostly Cloudy | FEW002 BKN250 | 63 | 55.9 | 78% | 30.14 | 1020.5 | |||||||
| 27 | 08:51 | NW 3 | 1.00 | Fog/Mist | SCT002 SCT250 | 55.9 | 55 | 97% | 30.13 | 1020.5 | |||||||
| 27 | 07:51 | Calm | 0.25 | Fog | SCT001 SCT250 | 53.1 | 52 | 96% | 30.13 | 1020.4 | |||||||
| 27 | 06:51 | W 3 | 0.50 | Fog | SCT001 BKN250 | 50 | 48 | 54 | 48.9 | 93% | 30.12 | 1020.1 | |||||
| 27 | 05:51 | N 3 | 10.00 | Partly Cloudy | SCT250 | 50 | 46.9 | 89% | 30.11 | 1019.7 | |||||||
| 27 | 04:51 | Calm | 10.00 | A Few Clouds | FEW250 | 50 | 48 | 93% | 30.11 | 1019.4 | |||||||
| 27 | 03:51 | N 3 | 10.00 | Fair | CLR | 51.1 | 48.9 | 92% | 30.1 | 1019.2 | |||||||
| 27 | 02:51 | Calm | 10.00 | A Few Clouds | FEW300 | 51.1 | 48 | 89% | 30.11 | 1019.6 | |||||||
| 27 | 01:51 | Calm | 10.00 | Fair | CLR | 53.1 | 48.9 | 86% | 30.11 | 1019.7 | |||||||
| 27 | 00:51 | N 3 | 10.00 | Partly Cloudy | SCT250 | 53.1 | 48.9 | 60.1 | 53.1 | 86% | 30.12 | 1020.1 | |||||
| 26 | 23:51 | NE 6 | 10.00 | Partly Cloudy | SCT250 | 55 | 48.9 | 80% | 30.14 | 1020.4 | |||||||
| 26 | 22:51 | NE 3 | 10.00 | Partly Cloudy | SCT250 | 55 | 48 | 77% | 30.14 | 1020.5 | |||||||
| 26 | 21:51 | Calm | 10.00 | Fair | CLR | 55.9 | 48 | 75% | 30.14 | 1020.5 | |||||||
| 26 | 20:51 | E 7 | 10.00 | Mostly Cloudy | BKN250 | 57.9 | 48.9 | 72% | 30.13 | 1020.4 | |||||||
| 26 | 19:51 | E 6 | 10.00 | Mostly Cloudy | BKN250 | 57.9 | 48.9 | 72% | 30.13 | 1020.3 | |||||||
| 26 | 18:51 | NE 7 | 10.00 | Mostly Cloudy | BKN250 | 59 | 46 | 69.1 | 59 | 62% | 30.13 | 1020.5 | |||||
| 26 | 17:51 | NE 7 | 10.00 | Mostly Cloudy | BKN250 | 62.1 | 46.9 | 58% | 30.14 | 1020.5 | |||||||
| 26 | 16:51 | NE 9 | 10.00 | Mostly Cloudy | BKN250 | 66 | 46.9 | 50% | 30.14 | 1020.6 | |||||||
| 26 | 15:51 | NE 8 | 10.00 | Mostly Cloudy | BKN250 | 66 | 45 | 47% | 30.15 | 1021.0 | |||||||
| 26 | 14:51 | E 8 | 10.00 | Mostly Cloudy | BKN300 | 68 | 46 | 45% | 30.17 | 1021.5 | |||||||
| 26 | 13:51 | NE 9 | 10.00 | Mostly Cloudy | BKN250 | 68 | 46.9 | 47% | 30.18 | 1022.1 | |||||||
| 26 | 12:51 | Calm | 10.00 | Mostly Cloudy | BKN250 | 68 | 46.9 | 68 | 53.1 | 47% | 30.21 | 1022.7 | |||||
| 26 | 11:51 | S 5 | 10.00 | Partly Cloudy | SCT250 | 66 | 48 | 52% | 30.22 | 1023.3 | |||||||
| 26 | 10:51 | E 3 | 10.00 | Partly Cloudy | FEW030 FEW120 SCT250 | 64 | 48.9 | 58% | 30.24 | 1023.9 | |||||||
| 26 | 09:51 | Vrbl 5 | 10.00 | Partly Cloudy | FEW005 SCT250 | 63 | 52 | 68% | 30.24 | 1024.0 | |||||||
| 26 | 08:51 | E 6 | 10.00 | A Few Clouds | FEW002 FEW250 | 61 | 53.1 | 75% | 30.24 | 1023.9 | |||||||
| 26 | 07:51 | E 3 | 10.00 | A Few Clouds | FEW120 FEW250 | 55.9 | 51.1 | 84% | 30.23 | 1023.8 | |||||||
| 26 | 06:51 | E 3 | 10.00 | A Few Clouds | FEW120 FEW250 | 53.1 | 48.9 | 57.9 | 51.1 | 86% | 30.22 | 1023.3 | |||||
| 26 | 05:51 | NE 3 | 10.00 | A Few Clouds | FEW250 | 52 | 46.9 | 83% | 30.21 | 1023.0 | |||||||
| 26 | 04:51 | Calm | 10.00 | A Few Clouds | FEW120 FEW250 | 53.1 | 48.9 | 86% | 30.22 | 1023.2 | |||||||
| 26 | 03:51 | N 3 | 10.00 | A Few Clouds | FEW300 | 53.1 | 50 | 89% | 30.22 | 1023.3 | |||||||
| 26 | 02:51 | Calm | 10.00 | Fair | CLR | 54 | 50 | 87% | 30.21 | 1023.1 | |||||||
| 26 | 01:51 | Calm | 10.00 | A Few Clouds | FEW300 | 53.1 | 48.9 | 86% | 30.22 | 1023.4 | |||||||
| 26 | 00:51 | NE 6 | 10.00 | A Few Clouds | FEW300 | 57 | 51.1 | 61 | 55.9 | 81% | 30.23 | 1023.8 | |||||
| 25 | 23:51 | NE 6 | 10.00 | A Few Clouds | FEW250 | 57 | 48.9 | 74% | 30.25 | 1024.2 | |||||||
| 25 | 22:51 | NE 7 | 10.00 | A Few Clouds | FEW120 FEW250 | 57.9 | 48 | 70% | 30.26 | 1024.6 | |||||||
| 25 | 21:51 | E 8 | 10.00 | A Few Clouds | FEW250 | 59 | 48 | 67% | 30.26 | 1024.7 | |||||||
| 25 | 20:51 | E 6 | 10.00 | A Few Clouds | FEW120 FEW250 | 59 | 50 | 72% | 30.26 | 1024.7 | |||||||
| 25 | 19:51 | E 6 | 10.00 | Mostly Cloudy | BKN110 BKN250 | 59 | 50 | 72% | 30.26 | 1024.7 | |||||||
| 25 | 18:51 | E 6 | 10.00 | Mostly Cloudy | BKN110 BKN250 | 61 | 50 | 64 | 61 | 67% | 30.25 | 1024.4 | |||||
| 25 | 17:51 | E 7 | 10.00 | Overcast | BKN100 OVC250 | 63 | 48.9 | 60% | 30.25 | 1024.4 | |||||||
| 25 | 16:51 | E 7 | 10.00 | Overcast | OVC100 | 63 | 48.9 | 60% | 30.26 | 1024.5 | |||||||
| 25 | 15:51 | E 7 | 10.00 | Overcast | OVC100 | 64 | 48.9 | 58% | 30.27 | 1025.0 | |||||||
| 25 | 14:51 | E 7 | 10.00 | Overcast | FEW055 OVC100 | 64 | 50 | 60% | 30.28 | 1025.2 | |||||||
| 25 | 13:51 | E 9 | 10.00 | Overcast | OVC100 | 64 | 50 | 60% | 30.29 | 1025.4 | |||||||
| 25 | 12:51 | E 8 | 10.00 | Overcast | OVC100 | 64 | 52 | 64 | 60.1 | 65% | 30.31 | 1026.4 | |||||
| 25 | 11:51 | E 6 | 10.00 | Overcast | FEW080 OVC110 | 64 | 54 | 70% | 30.32 | 1026.7 | |||||||
| 25 | 10:51 | E 6 | 10.00 | Overcast | FEW080 OVC110 | 63 | 55 | 76% | 30.33 | 1026.8 | |||||||
| 25 | 09:51 | E 5 | 10.00 | Overcast | FEW025 FEW080 OVC130 | 63 | 54 | 73% | 30.33 | 1027.0 | |||||||
| 25 | 08:51 | E 5 | 10.00 | Overcast | FEW100 OVC120 | 62.1 | 55.9 | 80% | 30.33 | 1026.9 | |||||||
| 25 | 07:51 | E 3 | 10.00 | Overcast | FEW100 OVC120 | 61 | 55 | 81% | 30.32 | 1026.7 | |||||||
| 25 | 06:51 | E 3 | 10.00 | Overcast | BKN130 OVC180 | 60.1 | 55 | 63 | 60.1 | 84% | 30.31 | 1026.3 | |||||
| 25 | 05:51 | E 6 | 10.00 | Overcast | FEW020 BKN150 OVC250 | 61 | 55 | 81% | 30.29 | 1025.7 | |||||||
| 25 | 04:51 | NE 7 | 10.00 | Overcast | BKN160 OVC250 | 61 | 55.9 | 84% | 30.28 | 1025.4 | |||||||
| 25 | 03:51 | E 6 | 10.00 | Overcast | FEW050 BKN160 OVC250 | 61 | 57 | 87% | 30.27 | 1024.9 | |||||||
| 25 | 02:51 | E 5 | 10.00 | Overcast | SCT050 BKN160 OVC250 | 62.1 | 55.9 | 80% | 30.28 | 1025.2 | |||||||
| 25 | 01:51 | E 6 | 10.00 | Overcast | FEW020 BKN050 OVC250 | 62.1 | 55 | 78% | 30.29 | 1025.5 | |||||||
| 25 | 00:51 | SE 6 | 10.00 | Mostly Cloudy | BKN050 BKN250 | 63 | 55 | 64.9 | 63 | 76% | 30.29 | 1025.4 | |||||
| Date | Time (cdt) | Wind (mph) | Vis. (mi.) | Weather | Sky Cond. | Air | Dwpt | Max. | Min. | Relative Humidity | Wind Chill (°F) | Heat Index (°F) | altimeter (in) | sea level (mb) | 1 hr | 3 hr | 6 hr |
| 6 hour | |||||||||||||||||
| Temperature (ºF) | Pressure | Precipitation (in) | |||||||||||||||