Weather observations for the past three days for
Chicago, Chicago-O'Hare International Airport
| Date | Time (cst) | 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. | ||||||||||||||||
| 30 | 05:51 | NW 6 | 10.00 | Overcast | SCT065 OVC100 | 9 | -2 | 9 | 6.1 | 61% | 0 | 30.32 | 1028.1 | ||||
| 30 | 04:51 | NW 6 | 10.00 | Overcast | OVC100 | 9 | -2.9 | 58% | 0 | 30.31 | 1028.0 | ||||||
| 30 | 03:51 | NW 7 | 10.00 | Overcast | OVC100 | 8.1 | -4 | 57% | -2 | 30.31 | 1027.9 | ||||||
| 30 | 02:51 | W 5 | 10.00 | Mostly Cloudy | BKN100 | 6.1 | -4 | 63% | -2 | 30.32 | 1028.0 | ||||||
| 30 | 01:51 | NW 6 | 10.00 | Partly Cloudy | SCT095 | 6.1 | -4 | 63% | -3 | 30.32 | 1028.3 | ||||||
| 30 | 00:51 | W 5 | 10.00 | Partly Cloudy | SCT095 | 7 | -2.9 | 63% | -1 | 30.32 | 1028.2 | ||||||
| 29 | 23:51 | W 5 | 10.00 | A Few Clouds | FEW090 | 8.1 | -4 | 12.9 | 6.1 | 57% | 0 | 30.33 | 1028.7 | ||||
| 29 | 22:51 | NW 3 | 10.00 | Partly Cloudy | SCT095 | 8.1 | -4 | 57% | 30.34 | 1028.9 | |||||||
| 29 | 21:51 | N 5 | 10.00 | A Few Clouds | FEW095 | 7 | -5.1 | 57% | -1 | 30.33 | 1028.7 | ||||||
| 29 | 20:51 | NW 5 | 10.00 | A Few Clouds | FEW100 | 9 | -4 | 55% | 1 | 30.32 | 1028.5 | ||||||
| 29 | 19:51 | NW 7 | 10.00 | A Few Clouds | FEW100 | 10.9 | -4 | 51% | 1 | 30.32 | 1028.3 | ||||||
| 29 | 18:51 | NW 8 | 10.00 | Fair | CLR | 12 | -4 | 48% | 1 | 30.32 | 1028.2 | ||||||
| 29 | 17:51 | N 9 | 10.00 | Fair | CLR | 12 | -5.1 | 17.1 | 10.9 | 46% | 1 | 30.3 | 1027.8 | ||||
| 29 | 16:51 | N 6 | 10.00 | A Few Clouds | FEW250 | 12.9 | -6 | 42% | 5 | 30.28 | 1027.1 | ||||||
| 29 | 15:51 | NE 6 | 10.00 | A Few Clouds | FEW250 | 16 | -6 | 37% | 8 | 30.28 | 1026.8 | ||||||
| 29 | 14:51 | N 5 | 10.00 | A Few Clouds | FEW250 | 17.1 | -6 | 35% | 11 | 30.28 | 1026.8 | ||||||
| 29 | 13:51 | Vrbl 3 | 10.00 | A Few Clouds | FEW032 FEW250 | 16 | -6 | 37% | 30.28 | 1026.9 | |||||||
| 29 | 12:51 | N 6 | 10.00 | A Few Clouds | FEW032 FEW250 | 16 | -5.1 | 38% | 8 | 30.29 | 1027.1 | ||||||
| 29 | 11:51 | N 8 | 10.00 | A Few Clouds | FEW030 FEW250 | 14 | -6 | 15.1 | 1 | 40% | 4 | 30.3 | 1027.6 | ||||
| 29 | 10:51 | N 7 | 10.00 | Partly Cloudy | FEW030 SCT250 | 12 | -4 | 48% | 2 | 30.32 | 1028.1 | ||||||
| 29 | 09:51 | NW 5 | 10.00 | Partly Cloudy | FEW025 SCT250 | 9 | -5.1 | 52% | 1 | 30.33 | 1028.6 | ||||||
| 29 | 08:51 | NW 8 | 10.00 | A Few Clouds | FEW025 FEW250 | 5 | -6 | 60% | -7 | 30.32 | 1028.2 | ||||||
| 29 | 07:51 | NW 7 | 10.00 | Partly Cloudy | FEW025 FEW150 SCT250 | 1 | -8 | 65% | -11 | 30.31 | 1027.9 | ||||||
| 29 | 06:51 | W 6 | 10.00 | Partly Cloudy | FEW025 SCT250 | 1.9 | -8 | 63% | -8 | 30.3 | 1027.6 | ||||||
| 29 | 05:51 | NW 6 | 10.00 | Partly Cloudy | FEW025 SCT250 | 1.9 | -8 | 8.1 | 1.9 | 63% | -8 | 30.27 | 1026.8 | ||||
| 29 | 04:51 | NW 8 | 10.00 | Partly Cloudy | SCT250 | 1.9 | -8 | 63% | -11 | 30.26 | 1026.4 | ||||||
| 29 | 03:51 | W 6 | 10.00 | Partly Cloudy | SCT250 | 3 | -7.1 | 62% | -7 | 30.26 | 1026.3 | ||||||
| 29 | 02:51 | W 7 | 10.00 | A Few Clouds | FEW250 | 3.9 | -7.1 | 60% | -7 | 30.26 | 1026.1 | ||||||
| 29 | 01:51 | N 12 | 10.00 | A Few Clouds | FEW250 | 3.9 | -7.1 | 60% | -11 | 30.25 | 1025.8 | ||||||
| 29 | 00:51 | NW 9 | 10.00 | A Few Clouds | FEW250 | 6.1 | -6 | 57% | -7 | 30.25 | 1025.9 | ||||||
| 28 | 23:51 | NW 8 | 10.00 | Fair | CLR | 8.1 | -5.1 | 14 | 8.1 | 55% | -3 | 30.26 | 1026.2 | ||||
| 28 | 22:51 | NW 9 | 10.00 | Fair | CLR | 9 | -2 | 61% | -3 | 30.24 | 1025.6 | ||||||
| 28 | 21:51 | NW 9 | 10.00 | Fair | CLR | 10 | -0.9 | 61% | -2 | 30.23 | 1025.1 | ||||||
| 28 | 20:51 | W 8 | 10.00 | Fair | CLR | 10.9 | -0.9 | 58% | 0 | 30.21 | 1024.6 | ||||||
| 28 | 19:51 | W 7 | 10.00 | Fair | CLR | 12 | -0.9 | 56% | 2 | 30.2 | 1024.1 | ||||||
| 28 | 18:51 | W 7 | 10.00 | Fair | CLR | 12.9 | -0.9 | 54% | 4 | 30.19 | 1023.8 | ||||||
| 28 | 17:51 | W 7 | 10.00 | Fair | CLR | 14 | -0.9 | 17.1 | 10.9 | 51% | 5 | 30.16 | 1022.8 | ||||
| 28 | 16:51 | W 14 | 10.00 | A Few Clouds | FEW080 | 15.1 | -0.9 | 49% | 2 | 30.14 | 1022.1 | ||||||
| 28 | 15:51 | W 13 | 10.00 | A Few Clouds | FEW090 | 16 | -2 | 45% | 3 | 30.12 | 1021.4 | ||||||
| 28 | 14:51 | W 13 G 22 | 10.00 | A Few Clouds | FEW035 FEW120 | 17.1 | -2 | 43% | 5 | 30.12 | 1021.4 | ||||||
| 28 | 13:51 | W 13 G 23 | 10.00 | A Few Clouds | FEW028 | 16 | -4 | 41% | 3 | 30.12 | 1021.5 | ||||||
| 28 | 12:51 | W 16 G 24 | 10.00 | A Few Clouds | FEW250 | 14 | -4 | 44% | -1 | 30.14 | 1021.9 | ||||||
| 28 | 11:51 | W 14 G 23 | 10.00 | A Few Clouds | FEW250 | 10.9 | -4 | 12 | 1 | 51% | -4 | 30.15 | 1022.7 | ||||
| 28 | 10:51 | W 12 | 10.00 | A Few Clouds | FEW022 FEW250 | 9 | -5.1 | 52% | -5 | 30.17 | 1023.3 | ||||||
| 28 | 09:51 | W 14 G 21 | 10.00 | A Few Clouds | FEW022 FEW250 | 7 | -2.9 | 63% | -9 | 30.19 | 1024.0 | ||||||
| 28 | 08:51 | W 13 | 10.00 | A Few Clouds | FEW022 FEW250 | 3.9 | -4 | 69% | -12 | 30.19 | 1024.0 | ||||||
| 28 | 07:51 | W 8 | 10.00 | A Few Clouds | FEW022 | 1 | -5.1 | 75% | -12 | 30.2 | 1024.4 | ||||||
| 28 | 06:51 | W 7 | 10.00 | A Few Clouds | FEW022 | 1 | -5.1 | 75% | -11 | 30.2 | 1024.2 | ||||||
| 28 | 05:51 | W 9 | 10.00 | Fair | CLR | 1 | -5.1 | 5 | 1 | 75% | -13 | 30.21 | 1024.6 | ||||
| 28 | 04:51 | W 6 | 10.00 | Fair | CLR | 1.9 | -5.1 | 72% | -8 | 30.21 | 1024.5 | ||||||
| 28 | 03:51 | W 7 | 10.00 | Fair | CLR | 1.9 | -6 | 69% | -10 | 30.2 | 1024.3 | ||||||
| 28 | 02:51 | W 7 | 10.00 | Fair | CLR | 1.9 | -6 | 69% | -10 | 30.23 | 1025.2 | ||||||
| 28 | 01:51 | W 8 | 10.00 | Fair | CLR | 3 | -6 | 66% | -9 | 30.23 | 1025.4 | ||||||
| 28 | 00:51 | W 7 | 10.00 | Fair | CLR | 3.9 | -6 | 63% | -7 | 30.24 | 1025.6 | ||||||
| 27 | 23:51 | W 6 | 10.00 | Fair | CLR | 5 | -6 | 10.9 | 5 | 60% | -5 | 30.26 | 1026.0 | ||||
| 27 | 22:51 | W 6 | 10.00 | Fair | CLR | 6.1 | -6 | 57% | -3 | 30.27 | 1026.5 | ||||||
| 27 | 21:51 | W 5 | 10.00 | Fair | CLR | 7 | -6 | 55% | -1 | 30.28 | 1026.8 | ||||||
| 27 | 20:51 | W 8 | 10.00 | Fair | CLR | 8.1 | -6 | 52% | -3 | 30.28 | 1027.0 | ||||||
| 27 | 19:51 | W 8 | 10.00 | Fair | CLR | 9 | -4 | 55% | -2 | 30.28 | 1026.9 | ||||||
| 27 | 18:51 | W 6 | 10.00 | Fair | CLR | 10 | -2.9 | 55% | 1 | 30.27 | 1026.4 | ||||||
| 27 | 17:51 | W 9 | 10.00 | Fair | CLR | 10.9 | -4 | 14 | 10.9 | 51% | -1 | 30.25 | 1025.9 | ||||
| 27 | 16:51 | W 13 G 20 | 10.00 | A Few Clouds | FEW035 | 12 | -4 | 48% | -2 | 30.23 | 1025.0 | ||||||
| 27 | 15:51 | NW 9 G 22 | 10.00 | A Few Clouds | FEW035 | 12.9 | -2.9 | 49% | 2 | 30.2 | 1024.0 | ||||||
| 27 | 14:51 | NW 14 G 24 | 10.00 | A Few Clouds | FEW035 | 14 | -2 | 49% | 0 | 30.17 | 1022.9 | ||||||
| 27 | 13:51 | W 16 G 28 | 10.00 | Partly Cloudy | SCT036 | 12.9 | -2.9 | 49% | -2 | 30.14 | 1022.0 | ||||||
| 27 | 12:51 | W 16 G 29 | 10.00 | Partly Cloudy | SCT034 | 12 | -4 | 48% | -3 | 30.12 | 1021.5 | ||||||
| 27 | 11:51 | NW 20 G 28 | 10.00 | Light Snow | BKN035 | 12 | -2.9 | 14 | 12 | 51% | -5 | 30.11 | 1021.0 | ||||
| 27 | 10:51 | W 21 G 29 | 10.00 | Partly Cloudy and Breezy | SCT040 | 12.9 | -4 | 46% | -4 | 30.1 | 1020.6 | ||||||
| 27 | 09:51 | NW 12 G 23 | 10.00 | Mostly Cloudy | BKN035 | 12.9 | -0.9 | 54% | 0 | 30.06 | 1019.5 | ||||||
| 27 | 08:51 | W 16 G 32 | 10.00 | Light Snow | BKN032 BKN041 | 12.9 | -0.9 | 54% | -2 | 30.03 | 1018.2 | ||||||
| 27 | 07:51 | W 15 G 24 | 10.00 | A Few Clouds | FEW027 FEW040 | 12.9 | 3 | 64% | -2 | 29.98 | 1016.6 | ||||||
| 27 | 06:51 | W 14 G 28 | 10.00 | A Few Clouds | FEW027 FEW035 | 14 | 3.9 | 64% | 0 | 29.94 | 1015.5 | ||||||
| Date | Time (cst) | 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) | |||||||||||||||