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. | ||||||||||||||||
| 26 | 11:51 | NE 17 | 16.09 | Overcast | OVC011 | 11.1 | 7.2 | 77% | 76.43 | 1019.2 | |||||||
| 26 | 10:51 | E 15 | 14.48 | Overcast | OVC008 | 9.4 | 7.2 | 86% | 7 | 76.45 | 1019.4 | ||||||
| 26 | 09:51 | E 17 | 8.05 | Fog/Mist | OVC007 | 9.4 | 7.2 | 86% | 7 | 76.43 | 1019.1 | ||||||
| 26 | 08:51 | E 13 | 6.44 | Fog/Mist | OVC006 | 9.4 | 7.2 | 86% | 8 | 76.4 | 1019.0 | ||||||
| 26 | 07:51 | E 11 | 4.02 | Fog/Mist | OVC003 | 8.9 | 7.8 | 93% | 7 | 76.38 | 1018.6 | ||||||
| 26 | 06:51 | NE 6 | 8.05 | Fog/Mist | OVC003 | 7.2 | 6.7 | 7.2 | 5.6 | 97% | 76.35 | 1018.3 | |||||
| 26 | 05:51 | NE 7 | 12.87 | Overcast | SCT004 OVC007 | 6.7 | 5 | 89% | 6 | 76.33 | 1017.9 | ||||||
| 26 | 04:51 | N 7 | 16.09 | Partly Cloudy | SCT009 | 5.6 | 3.9 | 89% | 4 | 76.3 | 1017.4 | ||||||
| 26 | 03:51 | N 6 | 16.09 | Fair | CLR | 6.1 | 3.9 | 86% | 76.28 | 1017.1 | |||||||
| 26 | 02:51 | E 9 | 16.09 | Fair | CLR | 5.6 | 3.9 | 89% | 4 | 76.2 | 1016.2 | ||||||
| 26 | 01:51 | NE 9 | 16.09 | A Few Clouds | FEW300 | 6.1 | 3.9 | 86% | 4 | 76.25 | 1016.7 | ||||||
| 26 | 00:51 | NE 13 | 16.09 | A Few Clouds | FEW250 | 6.1 | 3.9 | 8.9 | 6.1 | 86% | 4 | 76.25 | 1016.9 | ||||
| 25 | 23:51 | NE 15 | 16.09 | A Few Clouds | FEW250 | 6.7 | 3.9 | 83% | 4 | 76.23 | 1016.4 | ||||||
| 25 | 22:51 | NE 19 | 16.09 | Partly Cloudy | FEW180 SCT250 | 7.8 | 4.4 | 79% | 5 | 76.25 | 1016.6 | ||||||
| 25 | 21:51 | NE 15 | 16.09 | Partly Cloudy | FEW180 SCT250 | 7.8 | 4.4 | 79% | 6 | 76.25 | 1016.9 | ||||||
| 25 | 20:51 | N 17 | 16.09 | Partly Cloudy | FEW007 FEW180 SCT250 | 8.3 | 4.4 | 77% | 6 | 76.25 | 1016.7 | ||||||
| 25 | 19:51 | NE 20 | 16.09 | Partly Cloudy | FEW007 FEW180 SCT250 | 7.8 | 5 | 83% | 5 | 76.23 | 1016.5 | ||||||
| 25 | 18:51 | NE 20 | 16.09 | Mostly Cloudy | FEW007 BKN250 | 8.9 | 5 | 13.3 | 8.9 | 77% | 6 | 76.2 | 1016.1 | ||||
| 25 | 17:51 | NE 20 G 39 | 16.09 | Mostly Cloudy | FEW007 BKN250 | 10.6 | 5.6 | 71% | 76.2 | 1016.2 | |||||||
| 25 | 16:51 | NE 20 | 16.09 | Mostly Cloudy | FEW008 BKN250 | 11.7 | 5.6 | 66% | 76.2 | 1015.9 | |||||||
| 25 | 15:51 | N 20 | 16.09 | Partly Cloudy | FEW008 SCT250 | 12.8 | 6.1 | 64% | 76.17 | 1015.5 | |||||||
| 25 | 14:51 | NE 20 G 35 | 16.09 | A Few Clouds | FEW008 FEW030 FEW250 | 11.7 | 6.1 | 69% | 76.17 | 1015.8 | |||||||
| 25 | 13:51 | NE 20 G 33 | 16.09 | A Few Clouds | FEW008 FEW030 FEW250 | 11.1 | 5.6 | 69% | 76.2 | 1016.0 | |||||||
| 25 | 12:51 | NE 22 | 16.09 | A Few Clouds | FEW010 FEW250 | 12.2 | 6.1 | 12.8 | 7.8 | 67% | 76.17 | 1015.5 | |||||
| 25 | 11:51 | NE 20 G 31 | 16.09 | A Few Clouds | FEW020 FEW250 | 12.8 | 6.1 | 64% | 76.15 | 1015.3 | |||||||
| 25 | 10:51 | N 20 | 16.09 | A Few Clouds | FEW012 FEW020 FEW250 | 11.7 | 6.7 | 72% | 76.15 | 1015.2 | |||||||
| 25 | 09:51 | N 22 | 16.09 | Partly Cloudy | SCT012 | 10 | 5.6 | 74% | 7 | 76.15 | 1015.2 | ||||||
| 25 | 08:51 | NE 28 | 16.09 | Overcast | OVC009 | 8.3 | 5.6 | 83% | 5 | 76.15 | 1015.3 | ||||||
| 25 | 07:51 | NE 24 | 6.44 | Light Drizzle Fog/Mist | OVC007 | 8.3 | 6.7 | 90% | 5 | 76.15 | 1015.3 | ||||||
| 25 | 06:51 | N 22 | 16.09 | Light Drizzle | OVC009 | 8.3 | 6.1 | 8.9 | 7.2 | 86% | 5 | 76.12 | 1014.7 | ||||
| 25 | 05:51 | NE 26 | 16.09 | Overcast | OVC004 | 7.8 | 5.6 | 86% | 4 | 76.07 | 1014.2 | ||||||
| 25 | 04:51 | N 19 | 11.27 | Overcast | OVC009 | 7.8 | 6.1 | 89% | 5 | 76.02 | 1013.4 | ||||||
| 25 | 03:51 | NE 20 | 16.09 | Overcast | OVC009 | 8.3 | 6.1 | 86% | 5 | 75.97 | 1012.9 | ||||||
| 25 | 02:51 | NE 17 | 16.09 | Overcast | OVC010 | 8.9 | 6.7 | 86% | 7 | 75.92 | 1011.9 | ||||||
| 25 | 01:51 | NE 15 | 16.09 | Mostly Cloudy | BKN009 | 8.9 | 5.6 | 80% | 7 | 75.87 | 1011.5 | ||||||
| 25 | 00:51 | NE 22 | 16.09 | Partly Cloudy | SCT009 SCT250 | 8.9 | 6.1 | 20.6 | 8.9 | 83% | 6 | 75.84 | 1011.1 | ||||
| 24 | 23:51 | NE 20 | 16.09 | Mostly Cloudy | BKN008 BKN045 BKN250 | 10 | 8.3 | 89% | 8 | 75.84 | 1011.0 | ||||||
| 24 | 22:51 | NE 11 | 16.09 | Partly Cloudy | FEW045 SCT250 | 15 | 11.1 | 78% | 75.77 | 1010.0 | |||||||
| 24 | 21:51 | N 13 | 16.09 | Mostly Cloudy | FEW045 BKN250 | 15.6 | 10 | 70% | 75.74 | 1009.5 | |||||||
| 24 | 20:51 | N 19 | 16.09 | Mostly Cloudy | FEW045 BKN250 | 17.8 | 10 | 60% | 75.67 | 1008.5 | |||||||
| 24 | 19:51 | NW 11 | 16.09 | Mostly Cloudy | FEW043 BKN250 | 19.4 | 10.6 | 57% | 75.57 | 1007.2 | |||||||
| 24 | 18:51 | NW 17 | 16.09 | Mostly Cloudy | SCT042 BKN250 | 20.6 | 10.6 | 21.1 | 19.4 | 53% | 75.54 | 1006.8 | |||||
| 24 | 17:51 | W 19 | 16.09 | Mostly Cloudy | BKN042 BKN250 | 20.6 | 11.7 | 57% | 75.51 | 1006.3 | |||||||
| 24 | 16:51 | W 13 | 16.09 | Mostly Cloudy | SCT039 BKN250 | 20.6 | 12.2 | 59% | 75.49 | 1005.8 | |||||||
| 24 | 15:51 | W 17 | 16.09 | Mostly Cloudy | BKN032 BKN041 BKN250 | 20 | 12.2 | 61% | 75.49 | 1006.2 | |||||||
| 24 | 14:51 | W 19 | 16.09 | Overcast | BKN037 OVC250 | 19.4 | 12.2 | 63% | 75.49 | 1006.3 | |||||||
| 24 | 13:51 | W 15 | 16.09 | Overcast | SCT030 BKN130 OVC250 | 20 | 12.8 | 63% | 75.46 | 1005.8 | |||||||
| 24 | 12:51 | W 17 | 16.09 | Overcast | FEW030 SCT130 BKN160 OVC250 | 20.6 | 12.8 | 21.7 | 19.4 | 61% | 75.44 | 1005.5 | |||||
| 24 | 11:51 | W 19 | 16.09 | Mostly Cloudy | FEW040 FEW100 BKN170 BKN250 | 21.1 | 11.7 | 55% | 75.44 | 1005.3 | |||||||
| 24 | 10:51 | W 17 G 37 | 16.09 | Mostly Cloudy | FEW028 SCT043 BKN200 BKN250 | 20.6 | 11.7 | 57% | 75.41 | 1004.9 | |||||||
| 24 | 09:51 | W 22 G 39 | 16.09 | Overcast | SCT026 BKN032 OVC110 | 19.4 | 12.8 | 66% | 75.36 | 1004.2 | |||||||
| 24 | 08:51 | SW 17 | 16.09 | Mostly Cloudy | FEW035 SCT110 BKN200 BKN250 | 21.1 | 15.6 | 71% | 75.29 | 1003.3 | |||||||
| 24 | 07:51 | SW 15 G 28 | 16.09 | Mostly Cloudy | FEW030 SCT150 BKN200 BKN250 | 20 | 15 | 73% | 75.26 | 1002.8 | |||||||
| 24 | 06:51 | S 9 | 16.09 | Mostly Cloudy | FEW030 FEW070 BKN190 BKN250 | 20 | 14.4 | 21.7 | 20 | 70% | 75.18 | 1001.9 | |||||
| 24 | 05:51 | SW 9 | 16.09 | Mostly Cloudy | BKN031 BKN070 BKN250 | 20 | 14.4 | 70% | 75.23 | 1002.5 | |||||||
| 24 | 04:51 | S 13 | 16.09 | Mostly Cloudy | BKN043 BKN070 BKN250 | 20.6 | 13.9 | 66% | 75.26 | 1002.7 | |||||||
| 24 | 03:51 | S 17 G 31 | 16.09 | Mostly Cloudy | SCT055 BKN250 | 20 | 13.3 | 65% | 75.26 | 1003.0 | |||||||
| 24 | 02:51 | S 22 | 16.09 | Mostly Cloudy | SCT060 BKN250 | 20.6 | 13.3 | 63% | 75.31 | 1003.4 | |||||||
| 24 | 01:51 | S 20 | 16.09 | Mostly Cloudy | SCT060 BKN150 BKN250 | 21.1 | 12.8 | 59% | 75.36 | 1004.2 | |||||||
| 24 | 00:51 | S 19 G 35 | 16.09 | Overcast | FEW090 OVC250 | 21.7 | 12.2 | 25.6 | 21.1 | 55% | 75.39 | 1004.6 | |||||
| 23 | 23:51 | S 19 G 33 | 16.09 | Mostly Cloudy | SCT090 BKN250 | 21.7 | 11.7 | 53% | 75.46 | 1005.5 | |||||||
| 23 | 22:51 | S 19 | 16.09 | Mostly Cloudy | FEW085 BKN250 | 22.2 | 11.1 | 50% | 75.46 | 1005.7 | |||||||
| 23 | 21:51 | S 19 | 16.09 | Mostly Cloudy | BKN250 | 23.3 | 10.6 | 45% | 75.46 | 1005.6 | |||||||
| 23 | 20:51 | S 17 | 16.09 | Mostly Cloudy | BKN250 | 23.3 | 10.6 | 45% | 75.44 | 1005.2 | |||||||
| 23 | 19:51 | S 17 | 16.09 | Mostly Cloudy | BKN250 | 25 | 10.6 | 40% | 26 | 75.41 | 1005.0 | ||||||
| 23 | 18:51 | S 26 G 46 | 16.09 | Partly Cloudy | FEW065 SCT300 | 25.6 | 10.6 | 27.2 | 25 | 39% | 26 | 75.41 | 1005.1 | ||||
| 23 | 17:51 | S 31 G 46 | 16.09 | Mostly Cloudy | SCT065 BKN300 | 26.7 | 11.7 | 39% | 27 | 75.46 | 1005.8 | ||||||
| 23 | 16:51 | SW 24 G 39 | 16.09 | Mostly Cloudy | SCT065 BKN300 | 26.7 | 11.1 | 38% | 27 | 75.51 | 1006.4 | ||||||
| 23 | 15:51 | SW 22 G 41 | 16.09 | Mostly Cloudy | SCT065 BKN300 | 26.7 | 11.7 | 39% | 27 | 75.59 | 1007.4 | ||||||
| 23 | 14:51 | S 31 G 48 | 16.09 | Overcast | SCT060 OVC300 | 26.7 | 11.1 | 38% | 27 | 75.67 | 1008.5 | ||||||
| 23 | 13:51 | S 20 G 41 | 16.09 | Mostly Cloudy | SCT055 BKN250 | 26.1 | 12.8 | 44% | 26 | 75.74 | 1009.4 | ||||||
| 23 | 12:51 | S 22 G 44 | 16.09 | Mostly Cloudy | BKN050 BKN250 | 25.6 | 13.3 | 25.6 | 13.9 | 47% | 26 | 75.79 | 1010.2 | ||||
| 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) | |||||||||||||||