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. | ||||||||||||||||
| 28 | 04:51 | N 24 | 16.09 | Overcast | OVC008 | 20.6 | 18.9 | 90% | 75.49 | 1006.1 | |||||||
| 28 | 03:51 | NE 28 | 16.09 | Partly Cloudy | SCT040 SCT250 | 21.7 | 19.4 | 87% | 75.46 | 1005.8 | |||||||
| 28 | 02:51 | N 22 | 16.09 | A Few Clouds | FEW040 FEW250 | 22.8 | 21.1 | 90% | 75.44 | 1005.3 | |||||||
| 28 | 01:51 | N 13 | 14.48 | A Few Clouds | FEW040 FEW250 | 23.3 | 22.2 | 94% | 75.39 | 1004.6 | |||||||
| 28 | 00:51 | N 7 | 14.48 | A Few Clouds | FEW024 | 23.3 | 22.2 | 24.4 | 23.3 | 94% | 75.39 | 1004.5 | |||||
| 27 | 23:51 | SW 7 | 16.09 | A Few Clouds | FEW065 FEW250 | 23.9 | 22.2 | 90% | 23 | 75.34 | 1003.8 | ||||||
| 27 | 22:51 | SW 19 | 16.09 | Partly Cloudy | FEW065 SCT250 | 24.4 | 22.2 | 88% | 25 | 75.31 | 1003.5 | ||||||
| 27 | 21:51 | SW 15 | 16.09 | Partly Cloudy | FEW040 SCT250 | 23.9 | 21.7 | 88% | 24 | 75.34 | 1003.7 | ||||||
| 27 | 20:51 | S 17 | 16.09 | Mostly Cloudy | FEW040 BKN250 | 23.3 | 21.7 | 91% | 75.31 | 1003.4 | |||||||
| 27 | 19:51 | S 19 G 31 | 16.09 | Partly Cloudy | FEW040 SCT250 | 23.3 | 21.7 | 91% | 75.34 | 1003.6 | |||||||
| 27 | 18:51 | S 22 G 41 | 16.09 | A Few Clouds | FEW040 FEW250 | 23.9 | 21.1 | 25 | 21.7 | 84% | 24 | 75.39 | 1004.4 | 1.17 | |||
| 27 | 17:51 | S 22 G 37 | 16.09 | Partly Cloudy | FEW013 FEW030 SCT250 | 23.3 | 21.7 | 91% | 75.44 | 1005.2 | 1.07 | ||||||
| 27 | 16:51 | E 43 G 65 | 11.27 | Thunderstorm Light Rain Squalls and Windy | SCT015 BKN032CB BKN100 OVC250 | 23.9 | 20.6 | 82% | 24 | 75.54 | 1006.4 | ||||||
| 27 | 15:51 | S 22 | 16.09 | Mostly Cloudy | FEW023 SCT035 BKN150 BKN250 | 22.2 | 19.4 | 84% | 75.46 | 1005.5 | 0.1 | ||||||
| 27 | 14:51 | S 24 | 16.09 | Overcast | FEW010 SCT023 BKN035 OVC130 | 22.2 | 21.1 | 94% | 75.49 | 1006.0 | 0.08 | ||||||
| 27 | 13:51 | E 17 | 16.09 | Light Rain | SCT007 BKN038 OVC055 | 22.2 | 20.6 | 91% | 75.67 | 1008.4 | 0.03 | ||||||
| 27 | 12:51 | N 46 G 72 | 9.66 | Thunderstorm Light Rain Fog/Mist and Windy | SCT011 BKN024CB OVC055 | 23.9 | 20 | 30 | 21.1 | 79% | 24 | 75.64 | 1007.9 | 3.23 | 3.3 | ||
| 27 | 11:51 | SW 26 G 39 | 4.02 | Thunderstorm Rain Fog/Mist | BKN014 OVC030CB | 27.8 | 26.1 | 90% | 33 | 75.64 | 1007.9 | 0.08 | |||||
| 27 | 10:51 | S 22 G 37 | 11.27 | Overcast | BKN014 OVC034 | 29.4 | 25.6 | 80% | 36 | 75.54 | 1006.4 | ||||||
| 27 | 09:51 | S 17 | 9.66 | Fog/Mist | BKN011 BKN024 OVC039 | 28.3 | 25 | 82% | 33 | 75.72 | 1008.7 | ||||||
| 27 | 07:51 | S 13 | 4.83 | Fog/Mist | BKN006 OVC016 | 26.7 | 25 | 90% | 30 | 75.79 | 1009.8 | ||||||
| 27 | 06:51 | S 7 | 3.22 | Fog/Mist | FEW002 BKN004 OVC007 | 26.1 | 25.6 | 26.7 | 26.1 | 97% | 29 | 75.82 | 1010.3 | ||||
| 27 | 05:51 | SW 11 | 4.02 | Fog/Mist | OVC005 | 26.1 | 25 | 94% | 28 | 75.82 | 1010.1 | ||||||
| 27 | 04:51 | SW 9 | 8.05 | Fog/Mist | OVC006 | 26.7 | 25 | 90% | 30 | 75.77 | 1009.5 | ||||||
| 27 | 02:51 | SW 15 | 8.05 | Fog/Mist | BKN004 OVC250 | 26.1 | 25 | 94% | 28 | 75.77 | 1009.6 | ||||||
| 27 | 00:51 | S 7 | 12.87 | A Few Clouds | FEW250 | 26.7 | 25 | 31.7 | 26.7 | 90% | 30 | 75.77 | 1009.6 | ||||
| 26 | 23:51 | S 13 | 14.48 | A Few Clouds | FEW250 | 27.2 | 25 | 88% | 31 | 75.79 | 1009.7 | ||||||
| 26 | 22:51 | SW 11 | 16.09 | A Few Clouds | FEW035 FEW250 | 28.3 | 25 | 82% | 33 | 75.82 | 1010.2 | ||||||
| 26 | 21:51 | SW 13 | 16.09 | A Few Clouds | FEW045 FEW250 | 28.9 | 25 | 80% | 34 | 75.82 | 1010.3 | ||||||
| 26 | 20:51 | SW 9 | 16.09 | A Few Clouds | FEW045 FEW250 | 29.4 | 24.4 | 75% | 35 | 75.79 | 1009.7 | ||||||
| 26 | 19:51 | SW 9 | 16.09 | Mostly Cloudy | SCT047 BKN250 | 31.1 | 23.9 | 66% | 37 | 75.79 | 1009.6 | ||||||
| 26 | 18:51 | W 7 | 16.09 | Mostly Cloudy | SCT047 BKN055 BKN250 | 31.7 | 22.8 | 33.3 | 30.6 | 59% | 36 | 75.79 | 1009.8 | ||||
| 26 | 17:51 | SW 9 | 16.09 | Mostly Cloudy | BKN045 BKN055 BKN250 | 32.8 | 22.2 | 54% | 37 | 75.79 | 1009.9 | ||||||
| 26 | 16:51 | W 11 | 16.09 | Mostly Cloudy | BKN048 BKN250 | 32.8 | 21.7 | 52% | 36 | 75.82 | 1010.1 | ||||||
| 26 | 15:51 | SW 7 | 16.09 | Partly Cloudy | SCT050 SCT250 | 32.8 | 21.7 | 52% | 36 | 75.84 | 1010.4 | ||||||
| 26 | 14:51 | W 9 | 16.09 | Partly Cloudy | SCT250 | 31.7 | 21.1 | 53% | 35 | 75.87 | 1010.9 | ||||||
| 26 | 13:51 | SW 15 | 16.09 | Mostly Cloudy | BKN043 BKN250 | 31.7 | 20.6 | 52% | 34 | 75.9 | 1011.4 | ||||||
| 26 | 12:51 | W 15 | 16.09 | Mostly Cloudy | BKN038 BKN250 | 31.1 | 20.6 | 31.1 | 22.8 | 54% | 34 | 75.97 | 1012.1 | ||||
| 26 | 11:51 | S 11 | 16.09 | Mostly Cloudy | SCT030 BKN250 | 30.6 | 21.7 | 59% | 34 | 75.95 | 1011.8 | ||||||
| 26 | 10:51 | W 17 | 16.09 | Mostly Cloudy | FEW030 FEW045 BKN250 | 28.9 | 22.2 | 67% | 32 | 75.97 | 1012.2 | ||||||
| 26 | 09:51 | Vrbl 9 | 16.09 | Mostly Cloudy | FEW045 BKN250 | 27.2 | 22.2 | 74% | 30 | 76 | 1012.6 | ||||||
| 26 | 08:51 | W 20 | 16.09 | Mostly Cloudy | SCT045 BKN250 | 26.1 | 22.2 | 79% | 28 | 76 | 1012.6 | ||||||
| 26 | 07:51 | SW 13 | 12.87 | Mostly Cloudy | FEW045 BKN250 | 23.9 | 21.7 | 88% | 24 | 75.97 | 1012.4 | ||||||
| 26 | 06:51 | SW 9 | 9.66 | Fog/Mist | FEW007 BKN045 OVC250 | 22.8 | 21.1 | 22.8 | 22.2 | 90% | 76 | 1012.5 | |||||
| 26 | 05:51 | SW 9 | 9.66 | Fog/Mist | BKN007 OVC043 | 22.8 | 21.1 | 90% | 76.02 | 1013.0 | |||||||
| 26 | 04:51 | SW 7 | 12.87 | Overcast | OVC008 | 22.2 | 20.6 | 91% | 76.02 | 1012.9 | |||||||
| 26 | 03:51 | SW 7 | 12.87 | Overcast | FEW009 OVC040 | 22.2 | 20 | 87% | 76 | 1012.6 | |||||||
| 26 | 02:51 | SW 9 | 14.48 | Overcast | FEW011 OVC040 | 22.2 | 20 | 87% | 76.02 | 1012.9 | |||||||
| 26 | 01:51 | S 9 | 14.48 | Overcast | FEW015 OVC038 | 22.2 | 20 | 87% | 76.05 | 1013.4 | |||||||
| 26 | 00:51 | SW 7 | 16.09 | Overcast | SCT011 OVC036 | 22.2 | 20 | 25 | 22.2 | 87% | 76.12 | 1014.2 | |||||
| 25 | 23:51 | S 13 | 16.09 | Mostly Cloudy | FEW012 BKN036 | 22.2 | 20 | 87% | 76.07 | 1013.7 | |||||||
| 25 | 22:51 | S 11 | 16.09 | Overcast | FEW014 OVC035 | 22.8 | 20 | 84% | 76.07 | 1013.8 | |||||||
| 25 | 21:51 | S 13 | 14.48 | Overcast | FEW016 OVC036 | 23.3 | 20 | 82% | 76.07 | 1013.6 | |||||||
| 25 | 20:51 | S 15 | 16.09 | Overcast | SCT018 OVC035 | 23.3 | 20 | 82% | 76.05 | 1013.3 | |||||||
| 25 | 19:51 | S 20 | 16.09 | Overcast | BKN025 OVC030 | 24.4 | 20 | 77% | 25 | 76.02 | 1013.1 | ||||||
| 25 | 18:51 | SW 19 | 16.09 | Overcast | OVC025 | 25 | 20 | 26.7 | 23.9 | 74% | 26 | 76.02 | 1013.0 | ||||
| 25 | 17:51 | SW 13 | 16.09 | Overcast | OVC025 | 25.6 | 19.4 | 69% | 27 | 76.05 | 1013.5 | ||||||
| 25 | 16:51 | SW 11 | 16.09 | Mostly Cloudy | BKN022 BKN039 | 25.6 | 19.4 | 69% | 27 | 76.05 | 1013.5 | ||||||
| 25 | 15:51 | S 17 | 16.09 | Mostly Cloudy | BKN022 BKN039 | 26.7 | 19.4 | 64% | 28 | 76.05 | 1013.6 | ||||||
| 25 | 14:51 | SW 17 | 16.09 | Mostly Cloudy | BKN022 BKN060 | 25.6 | 18.9 | 67% | 27 | 76.1 | 1014.2 | ||||||
| 25 | 13:51 | SW 19 G 31 | 16.09 | Mostly Cloudy | BKN025 BKN045 | 25 | 18.3 | 66% | 26 | 76.12 | 1014.6 | ||||||
| 25 | 12:51 | SW 15 | 16.09 | Overcast | BKN026 OVC038 | 23.9 | 17.2 | 25 | 18.3 | 66% | 25 | 76.2 | 1015.4 | ||||
| 25 | 11:51 | SW 11 | 16.09 | Overcast | BKN031 OVC043 | 23.9 | 16.1 | 62% | 25 | 76.25 | 1016.1 | ||||||
| 25 | 10:51 | S 19 G 31 | 16.09 | Mostly Cloudy | FEW043 BKN070 BKN120 BKN250 | 25 | 16.1 | 58% | 26 | 76.17 | 1015.1 | ||||||
| 25 | 09:51 | S 15 | 16.09 | Mostly Cloudy | FEW039 BKN060 BKN120 BKN250 | 23.3 | 15 | 60% | 76.23 | 1015.8 | |||||||
| 25 | 08:51 | S 11 | 16.09 | Overcast | FEW038 BKN060 BKN110 OVC250 | 21.7 | 15 | 66% | 76.25 | 1016.1 | |||||||
| 25 | 07:51 | S 9 | 16.09 | Mostly Cloudy | FEW045 BKN070 BKN250 | 20 | 14.4 | 70% | 76.25 | 1016.3 | |||||||
| 25 | 06:51 | S 13 | 16.09 | Mostly Cloudy | SCT045 BKN250 | 18.3 | 13.9 | 20 | 17.2 | 76% | 76.25 | 1016.1 | |||||
| 25 | 05:51 | S 7 | 16.09 | Partly Cloudy | FEW030 SCT250 | 17.2 | 13.9 | 81% | 76.28 | 1016.6 | |||||||
| 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) | |||||||||||||||