Weather observations for the past three days for
Chicago, Chicago-O'Hare International Airport
| Date | Time (cst) | 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. | ||||||||||||||||
| 01 | 12:51 | NE 20 G 39 | 16.09 | Partly Cloudy | FEW033 SCT250 | -0.6 | -16.7 | 29% | -6 | 77.39 | 1032.9 | ||||||
| 01 | 11:51 | E 22 | 16.09 | A Few Clouds | FEW033 FEW250 | -0.6 | -16.7 | -0.6 | -3.9 | 29% | -6 | 77.44 | 1033.3 | ||||
| 01 | 10:51 | E 24 G 44 | 16.09 | A Few Clouds | FEW033 FEW250 | -1.7 | -13.3 | 41% | -8 | 77.42 | 1033.1 | ||||||
| 01 | 09:51 | E 24 G 39 | 16.09 | A Few Clouds | FEW030 FEW250 | -2.2 | -13.3 | 43% | -8 | 77.44 | 1033.4 | ||||||
| 01 | 08:51 | E 26 G 37 | 16.09 | Mostly Cloudy | BKN030 | -2.8 | -11.1 | 53% | -9 | 77.42 | 1033.0 | ||||||
| 01 | 07:51 | NE 28 | 16.09 | Mostly Cloudy | BKN030 | -3.3 | -10.6 | 57% | -10 | 77.34 | 1032.0 | ||||||
| 01 | 06:51 | NE 24 | 16.09 | Mostly Cloudy | BKN030 | -3.9 | -10.6 | 60% | -10 | 77.24 | 1031.0 | ||||||
| 01 | 05:51 | NE 24 | 16.09 | Partly Cloudy | SCT031 | -3.9 | -10.6 | -2.8 | -4.4 | 60% | -10 | 77.19 | 1030.1 | ||||
| 01 | 04:51 | NE 20 | 16.09 | Partly Cloudy | SCT031 | -3.9 | -10.6 | 60% | -10 | 77.17 | 1029.8 | ||||||
| 01 | 03:51 | NE 24 | 16.09 | A Few Clouds | FEW028 | -3.9 | -10 | 63% | -10 | 77.09 | 1028.8 | ||||||
| 01 | 02:51 | NE 22 | 16.09 | Partly Cloudy | SCT028 | -3.9 | -9.4 | 66% | -10 | 77.04 | 1028.1 | ||||||
| 01 | 01:51 | NE 26 | 16.09 | Mostly Cloudy | BKN028 | -3.3 | -9.4 | 63% | -10 | 77.04 | 1028.0 | ||||||
| 01 | 00:51 | NE 30 G 43 | 16.09 | Mostly Cloudy | BKN026 | -3.3 | -8.9 | 66% | -10 | 77.01 | 1027.5 | ||||||
| 28 | 23:51 | NE 24 | 16.09 | Mostly Cloudy | BKN023 | -2.8 | -8.3 | -2.2 | -2.8 | 66% | -9 | 76.96 | 1026.9 | ||||
| 28 | 22:51 | NE 30 | 16.09 | Mostly Cloudy | BKN018 | -2.2 | -7.2 | 69% | -9 | 76.96 | 1026.7 | ||||||
| 28 | 21:51 | NE 26 G 39 | 16.09 | Overcast | BKN017 OVC090 | -2.2 | -6.7 | 72% | -8 | 76.91 | 1026.3 | ||||||
| 28 | 20:51 | NE 31 G 41 | 16.09 | Overcast | BKN017 OVC090 | -2.2 | -6.1 | 75% | -9 | 76.86 | 1025.6 | ||||||
| 28 | 19:51 | NE 31 G 43 | 16.09 | Overcast | BKN017 OVC090 | -2.2 | -6.7 | 72% | -9 | 76.86 | 1025.5 | ||||||
| 28 | 18:51 | NE 30 | 16.09 | Overcast | SCT019 OVC100 | -2.8 | -7.2 | 72% | -10 | 76.84 | 1025.3 | ||||||
| 28 | 17:51 | N 33 | 16.09 | Mostly Cloudy and Breezy | SCT020 BKN037 BKN100 BKN250 | -2.2 | -7.8 | 2.2 | -2.8 | 66% | -9 | 76.81 | 1024.7 | ||||
| 28 | 16:51 | NE 37 | 16.09 | Overcast and Breezy | BKN019 BKN039 OVC095 | -2.2 | -7.8 | 66% | -10 | 76.73 | 1023.9 | ||||||
| 28 | 15:51 | N 35 | 16.09 | Overcast and Breezy | BKN018 OVC026 | -1.7 | -6.7 | 69% | -9 | 76.71 | 1023.2 | ||||||
| 28 | 14:51 | NE 30 | 16.09 | Overcast | BKN020 OVC070 | -1.1 | -6.1 | 69% | -7 | 76.66 | 1022.6 | ||||||
| 28 | 13:51 | NE 30 G 43 | 16.09 | Light Snow | BKN023 BKN070 BKN200 OVC250 | 0 | -6.1 | 64% | -6 | 76.58 | 1021.4 | ||||||
| 28 | 12:51 | NE 22 | 16.09 | Overcast | FEW025 SCT070 BKN200 OVC250 | 1.1 | -6.7 | 56% | -4 | 76.61 | 1021.9 | ||||||
| 28 | 11:51 | NE 22 | 16.09 | Overcast | BKN070 BKN100 OVC200 | 1.7 | -9.4 | 2.2 | 0.6 | 44% | -3 | 76.63 | 1022.2 | ||||
| 28 | 10:51 | NE 20 | 16.09 | Overcast | BKN070 BKN085 OVC200 | 1.1 | -10.6 | 42% | -3 | 76.66 | 1022.3 | ||||||
| 28 | 09:51 | N 22 | 16.09 | Overcast | FEW080 BKN095 OVC240 | 1.7 | -11.7 | 37% | -3 | 76.58 | 1021.3 | ||||||
| 28 | 08:51 | N 19 | 16.09 | Overcast | FEW085 BKN100 BKN200 OVC250 | 1.1 | -11.7 | 38% | -3 | 76.53 | 1020.5 | ||||||
| 28 | 07:51 | N 17 | 16.09 | Mostly Cloudy | FEW090 SCT110 BKN200 BKN250 | 1.1 | -10.6 | 42% | -3 | 76.45 | 1019.6 | ||||||
| 28 | 06:51 | N 15 | 16.09 | Overcast | BKN110 BKN200 OVC250 | 0.6 | -10.6 | 43% | -3 | 76.33 | 1018.0 | ||||||
| 28 | 05:51 | N 17 | 16.09 | Mostly Cloudy | SCT130 SCT210 BKN250 | 0.6 | -10.6 | 7.8 | 0 | 43% | -4 | 76.28 | 1017.1 | ||||
| 28 | 04:51 | N 15 | 16.09 | A Few Clouds | FEW120 FEW250 | 1.1 | -6.7 | 56% | -3 | 76.23 | 1016.4 | ||||||
| 28 | 03:51 | NW 9 | 16.09 | Partly Cloudy | FEW150 SCT250 | 2.8 | -2.8 | 67% | 1 | 76.15 | 1015.3 | ||||||
| 28 | 02:51 | W 11 | 16.09 | Mostly Cloudy | BKN250 | 4.4 | -3.9 | 55% | 2 | 76.1 | 1014.7 | ||||||
| 28 | 01:51 | W 9 | 16.09 | Mostly Cloudy | BKN250 | 5 | -2.2 | 60% | 3 | 75.97 | 1012.9 | ||||||
| 28 | 00:51 | NW 20 G 39 | 16.09 | A Few Clouds | FEW250 | 6.1 | -1.7 | 58% | 3 | 75.92 | 1012.4 | ||||||
| 27 | 23:51 | NW 26 | 16.09 | A Few Clouds | FEW250 | 7.8 | -1.1 | 16.7 | 7.8 | 54% | 4 | 75.82 | 1011.0 | ||||
| 27 | 22:51 | W 26 G 41 | 16.09 | A Few Clouds | FEW250 | 9.4 | -1.1 | 48% | 6 | 75.72 | 1009.5 | ||||||
| 27 | 21:51 | W 19 | 16.09 | A Few Clouds | FEW250 | 11.1 | -2.8 | 38% | 75.67 | 1008.9 | |||||||
| 27 | 20:51 | NW 17 | 16.09 | A Few Clouds | FEW250 | 12.8 | -3.3 | 33% | 75.59 | 1007.9 | |||||||
| 27 | 19:51 | W 20 G 37 | 16.09 | A Few Clouds | FEW250 | 14.4 | -3.3 | 29% | 75.49 | 1006.8 | |||||||
| 27 | 18:51 | SW 9 | 16.09 | Partly Cloudy | FEW095 SCT250 | 14.4 | -3.9 | 28% | 75.46 | 1006.3 | |||||||
| 27 | 17:51 | SW 9 | 16.09 | Mostly Cloudy | FEW050 FEW100 BKN250 | 16.7 | -4.4 | 18.3 | 12.8 | 23% | 75.44 | 1005.9 | |||||
| 27 | 16:51 | SW 19 | 16.09 | Mostly Cloudy | SCT090 BKN250 | 17.8 | -5 | 21% | 75.44 | 1006.1 | |||||||
| 27 | 15:51 | SW 20 G 33 | 16.09 | Mostly Cloudy | BKN090 | 18.3 | -5 | 20% | 75.49 | 1006.6 | |||||||
| 27 | 14:51 | S 24 G 33 | 16.09 | Mostly Cloudy | BKN090 | 16.7 | -3.3 | 25% | 75.54 | 1007.3 | |||||||
| 27 | 13:51 | SW 28 G 44 | 16.09 | Mostly Cloudy | BKN100 BKN250 | 16.1 | -3.9 | 25% | 75.62 | 1008.2 | |||||||
| 27 | 12:51 | SW 28 G 50 | 16.09 | Mostly Cloudy | SCT100 BKN120 BKN250 | 13.9 | -3.3 | 30% | 75.69 | 1009.5 | |||||||
| 27 | 11:51 | SW 30 G 46 | 16.09 | Mostly Cloudy | FEW110 BKN250 | 12.8 | -2.8 | 12.8 | -1.1 | 34% | 75.79 | 1010.7 | |||||
| 27 | 10:51 | SW 22 G 39 | 16.09 | Mostly Cloudy | FEW100 BKN250 | 11.1 | -2.8 | 38% | 75.84 | 1011.6 | |||||||
| 27 | 09:51 | S 13 | 16.09 | Mostly Cloudy | FEW090 BKN250 | 7.8 | 0.6 | 61% | 6 | 75.9 | 1012.3 | ||||||
| 27 | 08:51 | S 15 | 9.66 | Fog/Mist | FEW003 SCT090 BKN250 | 3.3 | 1.1 | 86% | 0 | 75.95 | 1012.9 | ||||||
| 27 | 07:51 | S 9 | 0.80 | Freezing Fog | BKN001 | -0.6 | -1.1 | 96% | -3 | 75.92 | 1012.9 | ||||||
| 27 | 06:51 | S 9 | 1.61 | Fog/Mist | BKN002 BKN250 | -1.1 | -2.2 | 92% | -4 | 75.9 | 1012.5 | ||||||
| 27 | 05:51 | S 7 | 14.48 | A Few Clouds | FEW005 | -1.1 | -2.2 | 1.7 | -2.2 | 92% | -3 | 75.9 | 1012.5 | ||||
| 27 | 04:51 | SW 7 | 16.09 | A Few Clouds | FEW005 | -0.6 | -1.7 | 92% | -3 | 75.87 | 1012.2 | ||||||
| 27 | 03:51 | SW 7 | 16.09 | Fair | CLR | 0 | -1.7 | 88% | -2 | 75.87 | 1012.0 | ||||||
| 27 | 02:51 | SW 9 | 16.09 | Fair | CLR | 0.6 | -1.7 | 85% | -2 | 75.84 | 1011.6 | ||||||
| 27 | 01:51 | SW 7 | 16.09 | Fair | CLR | 1.1 | -1.1 | 85% | -1 | 75.87 | 1012.0 | ||||||
| 27 | 00:51 | S 11 | 16.09 | A Few Clouds | FEW200 | 1.1 | -1.7 | 82% | -2 | 75.87 | 1012.3 | ||||||
| 26 | 23:51 | SW 13 | 16.09 | Fair | CLR | 1.7 | -1.7 | 4.4 | 1.7 | 78% | -2 | 75.9 | 1012.4 | ||||
| 26 | 22:51 | SW 9 | 16.09 | Fair | CLR | 1.7 | -2.2 | 76% | -1 | 75.9 | 1012.3 | ||||||
| 26 | 21:51 | SW 9 | 16.09 | Fair | CLR | 2.2 | -3.3 | 67% | -0 | 75.87 | 1012.1 | ||||||
| 26 | 20:51 | SW 6 | 16.09 | Fair | CLR | 2.8 | -4.4 | 59% | 75.87 | 1012.1 | |||||||
| 26 | 19:51 | S 7 | 16.09 | Fair | CLR | 2.8 | -5 | 57% | 1 | 75.87 | 1012.1 | ||||||
| 26 | 18:51 | S 9 | 16.09 | A Few Clouds | FEW055 | 3.3 | -6.1 | 51% | 1 | 75.87 | 1012.1 | ||||||
| 26 | 17:51 | S 6 | 16.09 | Partly Cloudy | FEW060 FEW190 SCT250 | 4.4 | -6.1 | 5 | 1.7 | 47% | 75.84 | 1012.0 | |||||
| 26 | 16:51 | SW 9 | 16.09 | Mostly Cloudy | SCT060 BKN250 | 5 | -6.7 | 43% | 3 | 75.82 | 1011.6 | ||||||
| 26 | 15:51 | S 13 | 16.09 | Mostly Cloudy | FEW030 BKN055 BKN250 | 4.4 | -7.2 | 43% | 2 | 75.84 | 1011.8 | ||||||
| 26 | 14:51 | SW 11 G 26 | 16.09 | Mostly Cloudy | FEW030 SCT050 BKN070 BKN250 | 4.4 | -7.2 | 43% | 2 | 75.84 | 1011.9 | ||||||
| 26 | 13:51 | SW 15 | 16.09 | Overcast | FEW028 BKN040 OVC070 | 3.3 | -8.3 | 43% | 0 | 75.84 | 1012.0 | ||||||
| Date | Time (cst) | 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) | |||||||||||||||