Weather observations for the past three days for
Chicago, Chicago-O'Hare International Airport
| Date | Time (cdt) | 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. | ||||||||||||||||
| 11 | 08:51 | N 13 | 10.00 | Overcast | OVC010 | 37 | 34 | 89% | 30 | 29.68 | 1005.5 | ||||||
| 11 | 07:51 | NW 12 | 10.00 | Light Rain | BKN010 OVC016 | 37 | 34 | 89% | 30 | 29.66 | 1004.7 | 0.01 | |||||
| 11 | 06:51 | NW 12 G 26 | 9.00 | Light Rain | BKN008 OVC013 | 37.9 | 36 | 46 | 37.9 | 93% | 31 | 29.64 | 1004.3 | 0.06 | 0.12 | ||
| 11 | 05:51 | N 10 | 7.00 | Rain | OVC005 | 39 | 37.9 | 96% | 33 | 29.6 | 1002.7 | 0.05 | |||||
| 11 | 04:51 | NE 8 | 8.00 | Thunderstorm Rain | BKN009 OVC030CB | 39 | 37.9 | 96% | 34 | 29.62 | 1003.3 | 0.01 | |||||
| 11 | 03:51 | NE 10 | 10.00 | Overcast | OVC004 | 39 | 37.9 | 96% | 33 | 29.57 | 1001.9 | ||||||
| 11 | 02:51 | N 8 | 8.00 | Overcast | OVC004 | 42.1 | 39.9 | 92% | 38 | 29.63 | 1003.6 | ||||||
| 11 | 01:51 | NE 10 | 8.00 | Overcast | BKN004 OVC022 | 42.1 | 39.9 | 92% | 37 | 29.65 | 1004.4 | ||||||
| 11 | 00:51 | N 9 | 9.00 | Overcast | FEW004 BKN031 OVC040 | 46 | 45 | 57 | 39 | 96% | 42 | 29.66 | 1004.5 | 0.11 | 1.02 | ||
| 10 | 23:51 | N 3 | 10.00 | Thunderstorm | SCT004 BKN065CB OVC110 | 45 | 43 | 93% | 29.65 | 1004.4 | 0.12 | ||||||
| 10 | 22:51 | N 10 | 2.00 | Thunderstorm Heavy Rain Fog/Mist | BKN004 OVC050CB | 44.1 | 43 | 96% | 39 | 29.74 | 1007.4 | 0.23 | |||||
| 10 | 21:51 | NE 17 G 33 | 7.00 | Thunderstorm Light Rain | FEW006 SCT050CB OVC100 | 45 | 44.1 | 97% | 38 | 29.61 | 1003.0 | 0.36 | 0.56 | ||||
| 10 | 20:51 | S 10 G 26 | 1.00 | Thunderstorm Rain Hail Fog/Mist | BKN004 BKN048CB OVC070 | 42.1 | 41 | 96% | 37 | 29.72 | 1006.5 | 0.2 | |||||
| 10 | 19:51 | E 8 | 1.75 | Fog/Mist | OVC004 | 39.9 | 37.9 | 93% | 35 | 29.68 | 1005.3 | ||||||
| 10 | 18:51 | NE 15 | 1.50 | Fog/Mist | OVC003 | 39 | 37.9 | 42.1 | 37.9 | 96% | 31 | 29.72 | 1006.5 | ||||
| 10 | 17:51 | NE 15 | 4.00 | Fog/Mist | OVC005 | 39 | 36 | 89% | 31 | 29.77 | 1008.3 | ||||||
| 10 | 16:51 | NE 15 | 10.00 | Overcast | OVC007 | 39 | 36 | 89% | 31 | 29.79 | 1008.9 | ||||||
| 10 | 15:51 | NE 18 | 10.00 | Overcast | OVC008 | 39 | 35.1 | 86% | 30 | 29.81 | 1009.7 | ||||||
| 10 | 14:51 | NE 18 | 10.00 | Overcast | OVC009 | 41 | 35.1 | 79% | 33 | 29.85 | 1010.8 | ||||||
| 10 | 13:51 | NE 15 | 10.00 | Overcast | OVC010 | 42.1 | 36 | 79% | 35 | 29.88 | 1011.8 | ||||||
| 10 | 12:51 | NE 15 | 10.00 | Overcast | OVC009 | 42.1 | 36 | 59 | 39.9 | 79% | 35 | 29.91 | 1012.9 | ||||
| 10 | 11:51 | NE 15 G 25 | 10.00 | Overcast | OVC006 | 41 | 36 | 82% | 34 | 29.92 | 1013.2 | ||||||
| 10 | 10:51 | NE 18 | 9.00 | Overcast | OVC006 | 39.9 | 37 | 89% | 31 | 29.9 | 1012.6 | ||||||
| 10 | 09:51 | NE 12 | 7.00 | Overcast | OVC006 | 42.1 | 39 | 89% | 36 | 29.88 | 1011.9 | ||||||
| 10 | 08:51 | N 12 | 8.00 | Overcast | OVC007 | 48 | 44.1 | 86% | 44 | 29.84 | 1010.6 | ||||||
| 10 | 07:51 | NE 6 | 5.00 | Fog/Mist | BKN006 BKN250 | 57.9 | 55.9 | 93% | 29.81 | 1009.4 | |||||||
| 10 | 06:51 | SW 8 | 6.00 | Fog/Mist | FEW005 FEW250 | 57.9 | 55.9 | 62.1 | 57.9 | 93% | 29.78 | 1008.2 | |||||
| 10 | 05:51 | SW 8 | 8.00 | Partly Cloudy | FEW008 SCT250 | 57.9 | 55.9 | 93% | 29.78 | 1008.1 | |||||||
| 10 | 04:51 | SW 7 | 8.00 | Partly Cloudy | SCT008 SCT250 | 59 | 57 | 93% | 29.76 | 1007.3 | |||||||
| 10 | 03:51 | SW 13 | 8.00 | Mostly Cloudy | BKN008 | 60.1 | 57.9 | 93% | 29.75 | 1007.0 | |||||||
| 10 | 02:51 | SW 14 | 8.00 | Overcast | OVC009 | 61 | 57.9 | 90% | 29.75 | 1007.0 | |||||||
| 10 | 01:51 | SW 10 G 21 | 9.00 | Overcast | OVC010 | 61 | 57.9 | 90% | 29.74 | 1006.9 | |||||||
| 09 | 23:51 | S 9 | 9.00 | A Few Clouds | FEW016 | 60.1 | 57 | 90% | 29.75 | 1007.2 | |||||||
| 09 | 22:51 | S 12 | 10.00 | Fair | CLR | 62.1 | 55.9 | 80% | 29.75 | 1007.4 | |||||||
| 09 | 21:51 | S 12 | 10.00 | Fair | CLR | 62.1 | 55 | 78% | 29.73 | 1006.7 | |||||||
| 09 | 20:51 | S 13 G 21 | 10.00 | Fair | CLR | 63 | 55 | 76% | 29.73 | 1006.8 | |||||||
| 09 | 19:51 | S 8 G 21 | 10.00 | Fair | CLR | 64 | 55 | 73% | 29.72 | 1006.5 | |||||||
| 09 | 18:51 | S 15 G 24 | 10.00 | A Few Clouds | FEW045 | 66 | 55 | 73 | 66 | 68% | 29.7 | 1005.7 | |||||
| 09 | 17:51 | S 15 G 28 | 10.00 | A Few Clouds | FEW045 | 71.1 | 52 | 51% | 29.68 | 1004.9 | |||||||
| 09 | 16:51 | S 13 G 28 | 10.00 | A Few Clouds | FEW045 | 72 | 51.1 | 48% | 29.67 | 1004.5 | |||||||
| 09 | 15:51 | S 14 G 24 | 10.00 | Fair | CLR | 72 | 48.9 | 44% | 29.67 | 1004.5 | |||||||
| 09 | 14:51 | SW 17 G 28 | 10.00 | Fair | CLR | 71.1 | 44.1 | 38% | 29.68 | 1005.0 | |||||||
| 09 | 13:51 | SW 14 | 10.00 | Fair | CLR | 69.1 | 42.1 | 38% | 29.69 | 1005.4 | |||||||
| 09 | 12:51 | SW 12 G 23 | 10.00 | Fair | CLR | 66 | 41 | 66.9 | 50 | 40% | 29.71 | 1006.1 | |||||
| 09 | 11:51 | S 16 G 25 | 10.00 | A Few Clouds | FEW250 | 63 | 39.9 | 43% | 29.73 | 1006.6 | |||||||
| 09 | 10:51 | SW 17 G 24 | 10.00 | A Few Clouds | FEW250 | 59 | 37.9 | 46% | 29.73 | 1006.7 | |||||||
| 09 | 09:51 | SW 14 G 25 | 10.00 | Partly Cloudy | SCT250 | 55.9 | 35.1 | 46% | 29.74 | 1006.9 | |||||||
| 09 | 08:51 | SW 17 G 28 | 10.00 | Partly Cloudy | FEW180 SCT250 | 53.1 | 34 | 48% | 29.73 | 1006.7 | |||||||
| 09 | 06:51 | SW 14 G 24 | 10.00 | A Few Clouds | FEW250 | 50 | 33.1 | 51.1 | 48.9 | 52% | 45 | 29.72 | 1006.4 | ||||
| 09 | 05:51 | SW 16 G 24 | 10.00 | A Few Clouds | FEW250 | 48.9 | 35.1 | 59% | 44 | 29.72 | 1006.4 | ||||||
| 09 | 04:51 | SW 15 G 28 | 10.00 | Fair | CLR | 48.9 | 35.1 | 59% | 44 | 29.72 | 1006.5 | ||||||
| 09 | 03:51 | SW 16 G 26 | 10.00 | Fair | CLR | 50 | 35.1 | 57% | 45 | 29.72 | 1006.4 | ||||||
| 09 | 02:51 | S 18 G 24 | 10.00 | A Few Clouds | FEW250 | 51.1 | 36 | 56% | 29.74 | 1007.2 | |||||||
| 09 | 01:51 | SW 17 G 29 | 10.00 | A Few Clouds | FEW240 | 51.1 | 37 | 59% | 29.76 | 1007.6 | |||||||
| 09 | 00:51 | S 15 G 29 | 10.00 | A Few Clouds | FEW240 | 51.1 | 37.9 | 60.1 | 51.1 | 61% | 29.77 | 1008.2 | |||||
| 08 | 23:51 | SW 16 G 28 | 10.00 | A Few Clouds | FEW240 | 52 | 37 | 57% | 29.77 | 1008.2 | |||||||
| 08 | 22:51 | SW 17 G 28 | 10.00 | Partly Cloudy | FEW220 SCT250 | 53.1 | 37 | 55% | 29.77 | 1008.2 | |||||||
| 08 | 21:51 | SW 15 G 28 | 10.00 | Mostly Cloudy | BKN220 BKN250 | 55 | 36 | 49% | 29.77 | 1008.2 | |||||||
| 08 | 20:51 | S 17 G 28 | 10.00 | Partly Cloudy | FEW200 SCT250 | 57 | 36 | 45% | 29.75 | 1007.6 | |||||||
| 08 | 18:51 | SW 21 G 30 | 10.00 | Partly Cloudy and Breezy | FEW150 SCT250 | 60.1 | 36 | 62.1 | 55 | 41% | 29.74 | 1007.3 | |||||
| 08 | 17:51 | SW 22 G 31 | 10.00 | Mostly Cloudy and Breezy | FEW200 BKN250 | 61 | 36 | 39% | 29.73 | 1007.0 | |||||||
| 08 | 16:51 | SW 24 G 38 | 10.00 | Mostly Cloudy and Breezy | FEW120 FEW200 BKN250 | 62.1 | 36 | 38% | 29.74 | 1007.4 | |||||||
| 08 | 14:51 | SW 13 G 33 | 10.00 | A Few Clouds | FEW110 FEW250 | 60.1 | 36 | 41% | 29.77 | 1008.3 | |||||||
| 08 | 12:51 | SW 21 G 33 | 10.00 | A Few Clouds and Breezy | FEW250 | 55 | 32 | 55 | 35.1 | 42% | 29.83 | 1010.3 | |||||
| 08 | 11:51 | SW 17 G 32 | 10.00 | A Few Clouds | FEW250 | 52 | 33.1 | 49% | 29.84 | 1010.9 | |||||||
| 08 | 10:51 | SW 29 | 10.00 | A Few Clouds and Windy | FEW250 | 48 | 33.1 | 56% | 40 | 29.88 | 1012.0 | ||||||
| 08 | 09:51 | SW 20 G 30 | 10.00 | A Few Clouds | FEW012 FEW250 | 43 | 32 | 65% | 35 | 29.88 | 1012.2 | ||||||
| Date | Time (cdt) | 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) | |||||||||||||||