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. | ||||||||||||||||
| 01 | 06:51 | W 9 | 16.09 | Overcast | OVC070 | 5.6 | 1.7 | 5.6 | 4.4 | 76% | 4 | 76.15 | 1015.7 | ||||
| 01 | 05:51 | W 9 | 16.09 | Overcast | OVC075 | 5.6 | 1.7 | 76% | 4 | 76.12 | 1015.2 | ||||||
| 01 | 04:51 | SW 13 | 16.09 | Overcast | OVC070 | 5.6 | 1.7 | 76% | 3 | 76.07 | 1014.5 | ||||||
| 01 | 03:51 | SW 11 | 16.09 | Overcast | OVC070 | 5.6 | 1.7 | 76% | 3 | 76.05 | 1014.1 | ||||||
| 01 | 02:51 | W 11 | 16.09 | Overcast | OVC070 | 5.6 | 1.7 | 76% | 3 | 76.05 | 1014.0 | ||||||
| 01 | 01:51 | W 11 | 16.09 | Overcast | OVC075 | 5 | 1.7 | 79% | 3 | 76.02 | 1014.0 | ||||||
| 01 | 00:51 | Calm | 16.09 | A Few Clouds | FEW075 | 5 | 2.2 | 9.4 | 5 | 82% | 76 | 1013.6 | 0.18 | ||||
| 31 | 23:51 | W 7 | 16.09 | Mostly Cloudy | BKN075 | 6.1 | 2.2 | 76% | 5 | 76 | 1013.4 | ||||||
| 31 | 22:51 | W 9 | 16.09 | Mostly Cloudy | BKN075 | 6.7 | 3.3 | 79% | 5 | 76 | 1013.7 | ||||||
| 31 | 21:51 | W 11 | 16.09 | Mostly Cloudy | FEW050 BKN070 | 7.2 | 5.6 | 90% | 5 | 76 | 1013.5 | 0.18 | |||||
| 31 | 20:51 | W 6 | 16.09 | Mostly Cloudy | SCT038 SCT048 BKN065 | 7.8 | 5.6 | 86% | 75.97 | 1013.1 | 0.03 | ||||||
| 31 | 19:51 | SW 11 | 12.87 | Rain | SCT020 BKN038 OVC047 | 7.8 | 5 | 83% | 6 | 75.97 | 1013.1 | 0.15 | |||||
| 31 | 18:51 | Calm | 16.09 | Mostly Cloudy | FEW045 SCT090 BKN210 | 9.4 | 2.8 | 11.7 | 9.4 | 64% | 75.92 | 1012.3 | |||||
| 31 | 17:51 | NW 7 | 16.09 | Mostly Cloudy | BKN065 BKN090 BKN250 | 10 | 2.2 | 59% | 9 | 75.9 | 1012.0 | ||||||
| 31 | 16:51 | W 13 | 16.09 | Mostly Cloudy | FEW065 BKN080 BKN250 | 11.1 | 1.7 | 53% | 75.9 | 1011.9 | |||||||
| 31 | 15:51 | W 15 | 16.09 | Mostly Cloudy | FEW040 BKN085 BKN250 | 11.1 | 1.7 | 53% | 75.84 | 1011.5 | |||||||
| 31 | 14:51 | W 17 | 16.09 | Mostly Cloudy | FEW034 BKN085 | 10.6 | 2.2 | 56% | 75.84 | 1011.2 | |||||||
| 31 | 13:51 | W 17 G 33 | 16.09 | Mostly Cloudy | FEW034 BKN090 | 10.6 | 1.1 | 52% | 75.84 | 1011.3 | |||||||
| 31 | 12:51 | NW 19 G 33 | 16.09 | Partly Cloudy | FEW034 SCT085 SCT250 | 11.1 | 1.1 | 11.1 | 4.4 | 50% | 75.87 | 1011.8 | |||||
| 31 | 11:51 | NW 19 G 33 | 16.09 | A Few Clouds | FEW030 FEW250 | 10.6 | 1.7 | 54% | 75.9 | 1011.9 | |||||||
| 31 | 10:51 | NW 15 | 16.09 | A Few Clouds | FEW030 FEW250 | 8.9 | 2.8 | 66% | 7 | 75.87 | 1011.8 | ||||||
| 31 | 09:51 | NW 15 | 16.09 | A Few Clouds | FEW065 FEW250 | 7.2 | 2.8 | 74% | 5 | 75.87 | 1011.8 | ||||||
| 31 | 08:51 | W 13 | 16.09 | A Few Clouds | FEW065 FEW250 | 6.1 | 2.2 | 76% | 4 | 75.84 | 1011.5 | ||||||
| 31 | 07:51 | W 11 | 16.09 | A Few Clouds | FEW065 FEW250 | 4.4 | 2.2 | 86% | 2 | 75.79 | 1010.8 | ||||||
| 31 | 06:51 | W 19 | 16.09 | A Few Clouds | FEW065 FEW250 | 5 | 2.2 | 6.1 | 5 | 82% | 2 | 75.77 | 1010.5 | ||||
| 31 | 05:51 | W 13 | 16.09 | A Few Clouds | FEW065 FEW250 | 5 | 1.7 | 79% | 2 | 75.77 | 1010.3 | ||||||
| 31 | 04:51 | NW 17 | 16.09 | Partly Cloudy | FEW190 SCT250 | 5.6 | 1.7 | 76% | 3 | 75.74 | 1009.9 | ||||||
| 31 | 03:51 | NW 11 | 16.09 | Partly Cloudy | FEW190 SCT250 | 5.6 | 1.7 | 76% | 3 | 75.72 | 1009.5 | ||||||
| 31 | 02:51 | W 9 | 16.09 | Mostly Cloudy | FEW190 BKN250 | 5.6 | 1.1 | 73% | 4 | 75.72 | 1009.6 | ||||||
| 31 | 01:51 | W 9 | 16.09 | Mostly Cloudy | SCT190 BKN250 | 5.6 | 1.1 | 73% | 4 | 75.72 | 1009.8 | ||||||
| 31 | 00:51 | W 15 | 16.09 | Overcast | BKN190 OVC250 | 6.1 | 1.1 | 9.4 | 5.6 | 71% | 3 | 75.74 | 1010.0 | ||||
| 30 | 23:51 | W 9 | 16.09 | Mostly Cloudy | FEW150 BKN250 | 6.1 | 1.1 | 71% | 4 | 75.74 | 1009.9 | ||||||
| 30 | 22:51 | W 7 | 16.09 | Mostly Cloudy | FEW045 BKN250 | 6.7 | 1.1 | 68% | 6 | 75.77 | 1010.2 | ||||||
| 30 | 21:51 | W 7 | 16.09 | Mostly Cloudy | FEW045 BKN250 | 7.8 | 1.7 | 66% | 7 | 75.77 | 1010.5 | ||||||
| 30 | 20:51 | W 6 | 16.09 | Mostly Cloudy | SCT045 BKN250 | 7.8 | 2.8 | 71% | 75.79 | 1010.9 | |||||||
| 30 | 19:51 | Calm | 16.09 | Mostly Cloudy | FEW045 BKN250 | 8.9 | 2.2 | 63% | 75.79 | 1010.8 | |||||||
| 30 | 18:51 | NW 7 | 16.09 | Partly Cloudy | FEW043 SCT250 | 9.4 | 1.7 | 13.9 | 8.3 | 59% | 9 | 75.79 | 1010.8 | ||||
| 30 | 17:51 | NE 9 | 16.09 | Partly Cloudy | FEW047 SCT250 | 9.4 | 1.7 | 59% | 8 | 75.79 | 1010.7 | ||||||
| 30 | 16:51 | NE 17 | 16.09 | Partly Cloudy | SCT045 SCT250 | 11.1 | 2.2 | 55% | 75.77 | 1010.3 | |||||||
| 30 | 15:51 | NE 19 | 16.09 | Partly Cloudy | SCT047 SCT250 | 12.2 | 2.8 | 53% | 75.77 | 1010.2 | |||||||
| 30 | 14:51 | N 19 G 28 | 16.09 | Partly Cloudy | FEW045 SCT250 | 13.9 | 2.2 | 45% | 75.74 | 1010.1 | |||||||
| 30 | 13:51 | N 22 G 39 | 16.09 | A Few Clouds | FEW039 FEW250 | 13.3 | 1.7 | 46% | 75.77 | 1010.2 | |||||||
| 30 | 12:51 | N 22 | 16.09 | A Few Clouds | FEW034 FEW250 | 12.8 | 2.2 | 12.8 | 5 | 49% | 75.84 | 1011.2 | |||||
| 30 | 11:51 | N 22 | 16.09 | A Few Clouds | FEW032 FEW250 | 12.2 | 3.3 | 55% | 75.92 | 1012.2 | |||||||
| 30 | 10:51 | N 24 | 16.09 | Partly Cloudy | FEW025 SCT035 SCT250 | 11.1 | 4.4 | 64% | 75.97 | 1012.8 | |||||||
| 30 | 09:51 | N 22 G 35 | 16.09 | Partly Cloudy | SCT034 SCT250 | 10 | 5 | 71% | 7 | 76 | 1013.4 | ||||||
| 30 | 08:51 | N 13 | 16.09 | Partly Cloudy | SCT030 SCT250 | 7.8 | 5 | 83% | 6 | 76 | 1013.4 | ||||||
| 30 | 07:51 | N 15 | 16.09 | A Few Clouds | FEW028 FEW250 | 6.1 | 3.9 | 86% | 3 | 75.97 | 1013.1 | ||||||
| 30 | 06:51 | NW 11 | 16.09 | A Few Clouds | FEW028 FEW250 | 5.6 | 3.9 | 8.9 | 5 | 89% | 3 | 75.97 | 1013.1 | ||||
| 30 | 05:51 | NW 11 | 16.09 | A Few Clouds | FEW030 | 5.6 | 3.9 | 89% | 3 | 75.97 | 1013.1 | ||||||
| 30 | 04:51 | N 13 | 16.09 | A Few Clouds | FEW030 | 5.6 | 3.3 | 85% | 3 | 76 | 1013.2 | ||||||
| 30 | 03:51 | NW 13 | 16.09 | A Few Clouds | FEW030 | 6.1 | 3.9 | 86% | 4 | 76 | 1013.5 | ||||||
| 30 | 02:51 | N 7 | 16.09 | Fair | CLR | 5 | 2.8 | 86% | 4 | 76.05 | 1013.9 | ||||||
| 30 | 01:51 | NW 11 | 16.09 | Partly Cloudy | SCT033 | 6.7 | 3.9 | 83% | 5 | 76.05 | 1014.0 | ||||||
| 30 | 00:51 | N 15 | 16.09 | A Few Clouds | FEW030 | 6.7 | 3.9 | 13.9 | 6.7 | 83% | 4 | 76.07 | 1014.3 | ||||
| 29 | 23:51 | NE 13 | 16.09 | A Few Clouds | FEW037 | 8.9 | 3.3 | 68% | 7 | 76.12 | 1014.9 | ||||||
| 29 | 22:51 | N 15 | 16.09 | Partly Cloudy | FEW023 FEW037 SCT047 | 8.3 | 6.1 | 86% | 6 | 76.17 | 1015.5 | ||||||
| 29 | 21:51 | N 17 | 16.09 | Mostly Cloudy | FEW027 SCT035 BKN048 | 9.4 | 6.1 | 80% | 7 | 76.2 | 1016.1 | ||||||
| 29 | 20:51 | N 22 | 16.09 | Mostly Cloudy | FEW027 BKN047 | 10.6 | 6.7 | 77% | 76.2 | 1016.1 | |||||||
| 29 | 19:51 | N 33 G 48 | 16.09 | Mostly Cloudy and Breezy | FEW019 SCT026 BKN037 | 12.2 | 6.7 | 69% | 76.23 | 1016.4 | |||||||
| 29 | 18:51 | N 35 | 16.09 | Mostly Cloudy and Breezy | SCT018 BKN026 BKN046 | 11.1 | 6.7 | 13.3 | 11.1 | 75% | 76.23 | 1016.4 | |||||
| 29 | 17:51 | N 31 G 43 | 16.09 | Mostly Cloudy | SCT037 BKN050 | 11.1 | 5.6 | 69% | 76.23 | 1016.2 | |||||||
| 29 | 16:51 | NE 33 | 16.09 | Mostly Cloudy and Breezy | SCT037 BKN049 | 12.2 | 5 | 62% | 76.2 | 1016.2 | |||||||
| 29 | 15:51 | NE 39 G 52 | 16.09 | Mostly Cloudy and Breezy | BKN034 BKN043 | 12.2 | 4.4 | 59% | 76.23 | 1016.2 | |||||||
| 29 | 14:51 | NE 35 G 56 | 16.09 | Mostly Cloudy and Breezy | BKN035 | 11.7 | 3.3 | 57% | 76.23 | 1016.2 | |||||||
| 29 | 13:51 | E 35 G 52 | 16.09 | Mostly Cloudy and Breezy | BKN039 | 12.2 | 2.8 | 53% | 76.25 | 1016.6 | |||||||
| 29 | 12:51 | NE 35 G 46 | 16.09 | Partly Cloudy and Breezy | SCT038 SCT250 | 12.8 | 3.3 | 12.8 | 9.4 | 53% | 76.25 | 1016.8 | |||||
| 29 | 11:51 | NE 37 G 54 | 16.09 | A Few Clouds and Breezy | FEW039 FEW250 | 12.2 | 2.2 | 51% | 76.33 | 1017.6 | |||||||
| 29 | 10:51 | E 28 G 48 | 16.09 | Partly Cloudy | SCT038 SCT250 | 12.2 | 1.7 | 49% | 76.35 | 1018.0 | |||||||
| 29 | 09:51 | NE 35 G 46 | 16.09 | A Few Clouds and Breezy | FEW028 FEW250 | 11.1 | 3.3 | 59% | 76.33 | 1017.8 | |||||||
| 29 | 08:51 | E 24 G 41 | 16.09 | A Few Clouds | FEW020 FEW250 | 10.6 | 5 | 69% | 76.3 | 1017.4 | |||||||
| 29 | 07:51 | E 22 | 16.09 | A Few Clouds | FEW016 FEW250 | 9.4 | 5 | 74% | 7 | 76.28 | 1017.1 | ||||||
| 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) | |||||||||||||||