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. | ||||||||||||||||
| 25 | 17:51 | SW 26 G 39 | 16.09 | Mostly Cloudy | FEW130 BKN250 | 21.7 | 2.2 | 28% | 75.64 | 1008.4 | |||||||
| 25 | 16:51 | SW 28 G 44 | 16.09 | Mostly Cloudy | BKN250 | 21.7 | 0 | 24% | 75.67 | 1008.7 | |||||||
| 25 | 15:51 | SW 30 G 46 | 16.09 | Mostly Cloudy | BKN250 | 21.1 | -2.2 | 21% | 75.72 | 1009.3 | |||||||
| 25 | 14:51 | SW 30 G 50 | 16.09 | Mostly Cloudy | BKN250 | 20 | -4.4 | 19% | 75.82 | 1010.7 | |||||||
| 25 | 13:51 | SW 30 G 48 | 16.09 | Mostly Cloudy | BKN250 | 18.9 | -3.3 | 22% | 75.92 | 1012.1 | |||||||
| 25 | 12:51 | S 19 | 16.09 | Overcast | FEW210 OVC250 | 17.2 | -1.7 | 17.2 | 6.1 | 28% | 76.02 | 1013.6 | |||||
| 25 | 11:51 | S 26 G 41 | 16.09 | Mostly Cloudy | BKN220 | 15 | -1.7 | 32% | 76.1 | 1014.6 | |||||||
| 25 | 10:51 | S 24 | 16.09 | Mostly Cloudy | FEW075 BKN220 | 12.8 | -2.2 | 36% | 76.2 | 1016.1 | |||||||
| 25 | 09:51 | SW 19 | 16.09 | Mostly Cloudy | FEW070 BKN220 | 11.7 | -2.8 | 37% | 76.25 | 1016.7 | |||||||
| 25 | 08:51 | S 15 G 31 | 16.09 | Overcast | FEW150 OVC220 | 8.9 | -2.2 | 46% | 7 | 76.28 | 1017.4 | ||||||
| 25 | 07:51 | S 19 | 16.09 | Mostly Cloudy | FEW070 FEW150 BKN250 | 7.2 | -2.2 | 52% | 4 | 76.35 | 1018.2 | ||||||
| 25 | 06:51 | S 13 | 16.09 | Mostly Cloudy | FEW070 SCT150 BKN250 | 6.1 | -2.8 | 6.7 | 5.6 | 53% | 4 | 76.4 | 1018.9 | ||||
| 25 | 05:51 | S 13 | 16.09 | Overcast | FEW070 BKN160 OVC250 | 6.1 | -3.3 | 51% | 4 | 76.43 | 1019.0 | ||||||
| 25 | 04:51 | S 9 | 16.09 | Mostly Cloudy | BKN160 BKN250 | 6.1 | -3.3 | 51% | 4 | 76.5 | 1020.3 | ||||||
| 25 | 03:51 | S 9 | 16.09 | Overcast | OVC160 | 6.1 | -3.9 | 49% | 4 | 76.5 | 1020.3 | ||||||
| 25 | 02:51 | S 11 | 16.09 | Overcast | OVC130 | 6.1 | -3.9 | 49% | 4 | 76.56 | 1021.1 | ||||||
| 25 | 01:51 | SE 11 | 16.09 | Mostly Cloudy | BKN130 BKN250 | 6.1 | -3.3 | 51% | 4 | 76.61 | 1021.7 | ||||||
| 25 | 00:51 | E 6 | 16.09 | Mostly Cloudy | BKN130 BKN250 | 6.1 | -3.3 | 10 | 4.4 | 51% | 76.66 | 1022.5 | |||||
| 24 | 22:51 | E 9 | 16.09 | Partly Cloudy | SCT140 SCT250 | 5 | -3.9 | 53% | 3 | 76.71 | 1023.3 | ||||||
| 24 | 21:51 | E 7 | 16.09 | Mostly Cloudy | BKN140 BKN250 | 5 | -4.4 | 51% | 4 | 76.76 | 1024.0 | ||||||
| 24 | 20:51 | E 13 | 16.09 | Partly Cloudy | SCT180 SCT250 | 5 | -4.4 | 51% | 2 | 76.76 | 1023.8 | ||||||
| 24 | 19:51 | E 13 | 16.09 | Mostly Cloudy | BKN160 BKN250 | 7.2 | -4.4 | 44% | 5 | 76.76 | 1024.0 | ||||||
| 24 | 18:51 | S 6 | 16.09 | Mostly Cloudy | SCT160 BKN250 | 10 | -9.4 | 11.1 | 7.2 | 25% | 76.78 | 1024.1 | |||||
| 24 | 17:51 | S 9 | 16.09 | Fair | CLR | 10.6 | -9.4 | 24% | 76.76 | 1024.0 | |||||||
| 24 | 16:51 | S 6 | 16.09 | Mostly Cloudy | SCT170 BKN200 BKN250 | 10.6 | -8.9 | 25% | 76.78 | 1024.3 | |||||||
| 24 | 15:51 | S 13 | 16.09 | Overcast | FEW080 SCT150 OVC250 | 9.4 | -8.9 | 27% | 8 | 76.84 | 1024.8 | ||||||
| 24 | 14:51 | S 17 | 16.09 | Overcast | SCT085 OVC250 | 8.3 | -9.4 | 28% | 6 | 76.89 | 1025.5 | ||||||
| 24 | 13:51 | SW 13 | 16.09 | Overcast | BKN090 OVC250 | 8.3 | -9.4 | 28% | 6 | 76.96 | 1026.5 | ||||||
| 24 | 12:51 | SW 17 | 16.09 | Overcast | BKN090 OVC250 | 7.2 | -9.4 | 7.2 | -1.1 | 30% | 5 | 77.01 | 1027.4 | ||||
| 24 | 11:51 | S 19 | 16.09 | Overcast | SCT095 BKN130 OVC250 | 6.1 | -7.8 | 37% | 3 | 77.04 | 1027.8 | ||||||
| 24 | 10:51 | S 13 | 16.09 | Mostly Cloudy | BKN100 BKN140 BKN250 | 4.4 | -8.3 | 40% | 2 | 77.11 | 1028.9 | ||||||
| 24 | 09:51 | S 17 | 16.09 | Overcast | FEW110 BKN130 OVC250 | 2.8 | -7.8 | 46% | -1 | 77.14 | 1029.2 | ||||||
| 24 | 08:51 | S 22 | 16.09 | Mostly Cloudy | BKN130 BKN250 | 1.1 | -7.8 | 52% | -4 | 77.14 | 1029.2 | ||||||
| 24 | 07:51 | S 15 | 16.09 | Mostly Cloudy | BKN120 BKN250 | 0 | -8.3 | 54% | -4 | 77.14 | 1029.0 | ||||||
| 24 | 06:51 | S 9 | 16.09 | Mostly Cloudy | FEW110 BKN140 BKN250 | -1.1 | -9.4 | 0 | -1.1 | 54% | -4 | 77.14 | 1029.0 | ||||
| 24 | 05:51 | S 13 | 16.09 | Mostly Cloudy | BKN140 | -1.1 | -10 | 51% | -5 | 77.11 | 1029.0 | ||||||
| 24 | 04:51 | S 13 | 16.09 | Mostly Cloudy | BKN110 | -0.6 | -10.6 | 47% | -4 | 77.11 | 1028.7 | ||||||
| 24 | 03:51 | S 11 | 16.09 | Mostly Cloudy | BKN110 | -0.6 | -10.6 | 47% | -4 | 77.14 | 1029.1 | ||||||
| 24 | 02:51 | S 11 | 16.09 | Mostly Cloudy | BKN110 | -0.6 | -8.3 | 56% | -4 | 77.22 | 1030.1 | ||||||
| 24 | 01:51 | Calm | 16.09 | Mostly Cloudy | BKN150 | 0 | -6.7 | 61% | 77.27 | 1030.8 | |||||||
| 24 | 00:51 | S 9 | 16.09 | A Few Clouds | FEW130 FEW250 | -0.6 | -7.2 | 1.7 | -1.1 | 61% | -3 | 77.24 | 1030.5 | ||||
| 23 | 23:51 | SE 9 | 16.09 | A Few Clouds | FEW250 | -0.6 | -6.7 | 64% | -3 | 77.24 | 1030.4 | ||||||
| 23 | 22:51 | SE 11 | 16.09 | A Few Clouds | FEW250 | -0.6 | -7.2 | 61% | -4 | 77.24 | 1030.6 | ||||||
| 23 | 21:51 | SE 13 | 16.09 | Fair | CLR | -0.6 | -7.2 | 61% | -4 | 77.29 | 1031.1 | ||||||
| 23 | 20:51 | E 15 | 16.09 | A Few Clouds | FEW250 | 0 | -7.2 | 59% | -4 | 77.32 | 1031.6 | ||||||
| 23 | 19:51 | E 17 | 16.09 | A Few Clouds | FEW250 | 0.6 | -8.3 | 52% | -4 | 77.29 | 1031.4 | ||||||
| 23 | 18:51 | E 19 | 16.09 | A Few Clouds | FEW250 | 1.7 | -8.3 | 6.1 | 1.7 | 48% | -2 | 77.29 | 1031.2 | ||||
| 23 | 17:51 | E 19 | 16.09 | A Few Clouds | FEW250 | 3.3 | -8.9 | 41% | -1 | 77.27 | 1031.0 | ||||||
| 23 | 16:51 | E 22 G 33 | 16.09 | A Few Clouds | FEW250 | 4.4 | -9.4 | 36% | 0 | 77.24 | 1030.6 | ||||||
| 23 | 15:51 | NE 9 | 16.09 | A Few Clouds | FEW250 | 5 | -9.4 | 35% | 3 | 77.24 | 1030.6 | ||||||
| 23 | 14:51 | NE 11 | 16.09 | A Few Clouds | FEW250 | 5 | -8.9 | 36% | 3 | 77.27 | 1030.8 | ||||||
| 23 | 13:51 | NE 15 | 16.09 | A Few Clouds | FEW050 FEW250 | 4.4 | -9.4 | 36% | 1 | 77.29 | 1031.2 | ||||||
| 23 | 12:51 | N 17 G 31 | 16.09 | A Few Clouds | FEW045 FEW250 | 3.9 | -11.1 | 4.4 | -1.1 | 33% | 0 | 77.29 | 1031.0 | ||||
| 23 | 11:51 | N 28 G 41 | 16.09 | A Few Clouds | FEW040 FEW250 | 3.3 | -11.1 | 34% | -2 | 77.24 | 1030.6 | ||||||
| 23 | 10:51 | N 30 G 37 | 16.09 | A Few Clouds | FEW038 | 2.2 | -9.4 | 42% | -3 | 77.22 | 1030.2 | ||||||
| 23 | 09:51 | N 35 G 48 | 16.09 | Partly Cloudy and Breezy | SCT038 | 1.7 | -8.9 | 46% | -4 | 77.17 | 1029.5 | ||||||
| 23 | 08:51 | N 28 G 39 | 16.09 | A Few Clouds | FEW032 | 0.6 | -8.3 | 52% | -5 | 77.09 | 1028.6 | ||||||
| 23 | 07:51 | N 22 | 16.09 | A Few Clouds | FEW030 | -0.6 | -7.2 | 61% | -6 | 77.04 | 1027.7 | ||||||
| 23 | 06:51 | N 11 | 16.09 | Mostly Cloudy | BKN027 | -1.1 | -6.1 | -0.6 | -2.2 | 69% | -5 | 76.96 | 1026.9 | ||||
| 23 | 05:51 | N 19 | 16.09 | Overcast | OVC028 | -1.1 | -6.1 | 69% | -6 | 76.91 | 1026.2 | ||||||
| 23 | 04:51 | N 15 | 16.09 | Overcast | OVC029 | -1.7 | -5.6 | 75% | -6 | 76.84 | 1025.2 | ||||||
| 23 | 03:51 | N 17 | 16.09 | Mostly Cloudy | FEW020 BKN032 | -1.7 | -5 | 78% | -6 | 76.78 | 1024.5 | ||||||
| 23 | 02:51 | N 19 | 16.09 | A Few Clouds | FEW020 FEW033 | -1.7 | -5.6 | 75% | -7 | 76.73 | 1023.6 | ||||||
| 23 | 01:51 | N 20 | 16.09 | A Few Clouds | FEW020 | -1.1 | -5 | 75% | -6 | 76.68 | 1022.9 | ||||||
| 23 | 00:51 | N 22 | 16.09 | A Few Clouds | FEW020 | -0.6 | -5 | 1.1 | -0.6 | 72% | -6 | 76.61 | 1022.0 | ||||
| 22 | 23:51 | N 28 | 16.09 | A Few Clouds | FEW021 | 0 | -5 | 69% | -6 | 76.5 | 1020.6 | ||||||
| 22 | 22:51 | N 28 | 16.09 | A Few Clouds | FEW023 | 0 | -5 | 69% | -6 | 76.43 | 1019.7 | ||||||
| 22 | 21:51 | N 33 G 48 | 16.09 | A Few Clouds and Breezy | FEW023 | 0 | -4.4 | 73% | -6 | 76.35 | 1018.5 | ||||||
| 22 | 20:51 | N 35 | 16.09 | Mostly Cloudy and Breezy | SCT022 BKN110 | 0.6 | -4.4 | 70% | -6 | 76.3 | 1017.9 | ||||||
| 22 | 19:51 | N 35 | 16.09 | Mostly Cloudy and Breezy | SCT020 BKN120 | 1.1 | -3.9 | 70% | -5 | 76.25 | 1017.2 | ||||||
| 22 | 18:51 | N 37 G 54 | 16.09 | Mostly Cloudy and Breezy | BKN017 BKN075 BKN110 | 1.1 | -3.3 | 3.3 | 1.1 | 73% | -5 | 76.15 | 1015.7 | ||||
| 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) | |||||||||||||||