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 | 02:51 | N 7 | 10.00 | Mostly Cloudy | BKN250 | 66.9 | 59 | 76% | 29.97 | 1014.4 | |||||||
| 11 | 01:51 | N 8 | 10.00 | Mostly Cloudy | BKN250 | 66.9 | 59 | 76% | 29.97 | 1014.3 | |||||||
| 11 | 00:51 | N 7 | 10.00 | Mostly Cloudy | BKN250 | 68 | 62.1 | 75 | 66.9 | 81% | 29.98 | 1014.8 | |||||
| 10 | 23:51 | N 7 | 10.00 | Mostly Cloudy | FEW200 BKN250 | 70 | 62.1 | 76% | 30 | 1015.3 | |||||||
| 10 | 22:51 | N 9 | 10.00 | Mostly Cloudy | FEW200 BKN250 | 72 | 60.1 | 66% | 29.98 | 1014.9 | |||||||
| 10 | 21:51 | NE 9 | 10.00 | Mostly Cloudy | SCT210 BKN240 | 73 | 59 | 62% | 30 | 1015.3 | |||||||
| 10 | 20:51 | NE 10 | 10.00 | Mostly Cloudy | FEW035 BKN220 BKN250 | 73.9 | 59 | 60% | 29.98 | 1014.6 | |||||||
| 10 | 19:51 | N 10 | 10.00 | Mostly Cloudy | FEW035 BKN240 BKN300 | 73.9 | 60.1 | 62% | 29.95 | 1013.9 | |||||||
| 10 | 18:51 | N 13 | 10.00 | Mostly Cloudy | FEW035 BKN240 BKN300 | 75 | 61 | 81 | 75 | 62% | 77 | 29.96 | 1013.9 | ||||
| 10 | 17:51 | NE 16 | 10.00 | Mostly Cloudy | FEW035 FEW200 BKN250 | 77 | 62.1 | 60% | 79 | 29.94 | 1013.3 | ||||||
| 10 | 16:51 | NE 13 | 10.00 | Mostly Cloudy | FEW035 FEW200 BKN250 | 78.1 | 63 | 60% | 80 | 29.94 | 1013.4 | ||||||
| 10 | 15:51 | NE 10 | 10.00 | Mostly Cloudy | FEW013 FEW031 BKN250 | 79 | 62.1 | 56% | 80 | 29.93 | 1013.1 | ||||||
| 10 | 14:51 | NE 10 | 10.00 | Mostly Cloudy | FEW018 FEW032 BKN250 | 81 | 63 | 54% | 82 | 29.93 | 1012.9 | ||||||
| 10 | 13:51 | NE 8 | 10.00 | Mostly Cloudy | FEW018 FEW032 BKN250 | 81 | 64 | 57% | 83 | 29.93 | 1013.2 | ||||||
| 10 | 12:51 | NE 8 | 10.00 | Mostly Cloudy | FEW018 FEW032 BKN250 | 80.1 | 63 | 80.1 | 70 | 56% | 81 | 29.94 | 1013.3 | ||||
| 10 | 11:51 | NE 9 | 10.00 | Mostly Cloudy | FEW018 SCT035 BKN070 BKN250 | 78.1 | 62.1 | 58% | 80 | 29.95 | 1013.7 | ||||||
| 10 | 10:51 | N 9 | 10.00 | Mostly Cloudy | FEW015 FEW033 BKN250 | 79 | 64.9 | 62% | 81 | 29.93 | 1013.0 | ||||||
| 10 | 09:51 | N 8 | 10.00 | Partly Cloudy | FEW038 FEW150 SCT250 | 77 | 64.9 | 66% | 79 | 29.93 | 1012.8 | ||||||
| 10 | 08:51 | N 8 | 10.00 | Partly Cloudy | FEW038 SCT250 | 75 | 66 | 74% | 76 | 29.93 | 1012.8 | ||||||
| 10 | 07:51 | NE 7 | 10.00 | Mostly Cloudy | FEW010 FEW037 BKN250 | 72 | 66 | 82% | 29.91 | 1012.2 | |||||||
| 10 | 06:51 | NE 8 | 10.00 | Mostly Cloudy | FEW008 SCT120 BKN250 | 70 | 66 | 72 | 69.1 | 87% | 29.91 | 1012.1 | |||||
| 10 | 05:51 | NE 7 | 10.00 | Partly Cloudy | FEW010 FEW110 SCT250 | 70 | 66 | 87% | 29.9 | 1011.8 | |||||||
| 10 | 04:51 | N 7 | 10.00 | Partly Cloudy | FEW010 SCT110 | 70 | 66 | 87% | 29.89 | 1011.5 | |||||||
| 10 | 03:51 | NE 6 | 10.00 | Mostly Cloudy | FEW007 SCT035 BKN070 BKN130 | 70 | 66.9 | 90% | 29.87 | 1010.8 | |||||||
| 10 | 02:51 | NE 8 | 10.00 | Overcast | BKN007 OVC035 | 70 | 68 | 93% | 29.87 | 1010.9 | |||||||
| 10 | 01:51 | N 10 | 10.00 | Overcast | OVC007 | 71.1 | 68 | 90% | 29.86 | 1010.5 | |||||||
| 10 | 00:51 | N 12 | 9.00 | Overcast | BKN008 BKN040 OVC100 | 72 | 69.1 | 84.9 | 72 | 91% | 29.87 | 1010.9 | |||||
| 09 | 23:51 | NE 9 | 9.00 | Mostly Cloudy | FEW010 SCT040 BKN100 BKN250 | 73 | 69.1 | 87% | 29.86 | 1010.7 | |||||||
| 09 | 22:51 | NE 13 | 10.00 | Thunderstorm | SCT034CB BKN090 BKN150 OVC250 | 73 | 69.1 | 87% | 29.86 | 1010.6 | |||||||
| 09 | 21:51 | E 9 | 10.00 | Overcast | BKN034CB BKN090 BKN150 OVC250 | 78.1 | 69.1 | 74% | 80 | 29.86 | 1010.7 | ||||||
| 09 | 20:51 | W 5 | 10.00 | Thunderstorm | SCT040CB BKN095 BKN130 OVC250 | 81 | 70 | 69% | 84 | 29.84 | 1010.0 | ||||||
| 09 | 19:51 | W 7 | 10.00 | Overcast | SCT039CB SCT090 BKN130 OVC250 | 84 | 70 | 63% | 88 | 29.83 | 1009.6 | ||||||
| 09 | 18:51 | W 5 | 10.00 | Mostly Cloudy | FEW040 BKN250 | 84.9 | 70 | 87.1 | 82 | 61% | 89 | 29.82 | 1009.3 | ||||
| 09 | 17:51 | W 6 | 10.00 | Mostly Cloudy | SCT042 BKN250 | 86 | 70 | 59% | 91 | 29.83 | 1009.5 | ||||||
| 09 | 16:51 | SW 7 | 10.00 | Overcast | SCT040 OVC250 | 86 | 70 | 59% | 91 | 29.83 | 1009.5 | ||||||
| 09 | 15:51 | W 7 | 10.00 | Mostly Cloudy | FEW037 BKN250 | 86 | 70 | 59% | 91 | 29.84 | 1009.9 | ||||||
| 09 | 14:51 | W 6 | 10.00 | Mostly Cloudy | FEW035 SCT130 BKN250 | 84 | 68 | 59% | 87 | 29.85 | 1010.2 | ||||||
| 09 | 13:51 | W 7 | 10.00 | Mostly Cloudy | FEW033 SCT080 BKN100 BKN150 BKN250 | 82.9 | 69.1 | 63% | 87 | 29.87 | 1010.8 | ||||||
| 09 | 12:51 | W 8 G 17 | 10.00 | Mostly Cloudy | FEW033 SCT075 BKN090 BKN170 BKN250 | 82.9 | 69.1 | 82.9 | 75 | 63% | 87 | 29.89 | 1011.6 | ||||
| 09 | 11:51 | SW 10 | 10.00 | Mostly Cloudy | FEW050 SCT110 BKN150 BKN250 | 82 | 69.1 | 65% | 85 | 29.89 | 1011.7 | ||||||
| 09 | 10:51 | SW 7 | 10.00 | Overcast | FEW050 BKN110 BKN150 OVC250 | 81 | 68 | 65% | 84 | 29.9 | 1011.9 | ||||||
| 09 | 09:51 | SW 8 | 10.00 | Overcast | FEW070 SCT130 BKN160 OVC250 | 81 | 68 | 65% | 84 | 29.89 | 1011.6 | ||||||
| 09 | 08:51 | W 7 | 10.00 | Mostly Cloudy | FEW070 BKN140 BKN250 | 79 | 69.1 | 72% | 82 | 29.9 | 1011.8 | ||||||
| 09 | 07:51 | SW 6 | 10.00 | Mostly Cloudy | FEW043 FEW060 BKN160 BKN250 | 75.9 | 69.1 | 79% | 77 | 29.89 | 1011.6 | ||||||
| 09 | 06:51 | SW 8 | 10.00 | Mostly Cloudy | FEW040 SCT055 BKN160 BKN190 | 75 | 68 | 77 | 73.9 | 79% | 76 | 29.89 | 1011.6 | ||||
| 09 | 05:51 | SW 6 | 10.00 | Mostly Cloudy | FEW040 BKN200 BKN250 | 73.9 | 66.9 | 79% | 29.88 | 1011.1 | |||||||
| 09 | 04:51 | Calm | 10.00 | Mostly Cloudy | BKN250 | 75 | 66 | 74% | 76 | 29.86 | 1010.3 | ||||||
| 09 | 03:51 | SW 3 | 10.00 | Mostly Cloudy | BKN250 | 75 | 66 | 74% | 76 | 29.87 | 1010.7 | ||||||
| 09 | 02:51 | S 7 | 10.00 | Mostly Cloudy | BKN250 | 75 | 66 | 74% | 76 | 29.86 | 1010.6 | ||||||
| 09 | 01:51 | S 6 | 10.00 | Mostly Cloudy | BKN250 | 75.9 | 66 | 72% | 77 | 29.91 | 1012.1 | ||||||
| 09 | 00:51 | S 5 | 10.00 | Mostly Cloudy | BKN250 | 77 | 66.9 | 86 | 77 | 71% | 79 | 29.92 | 1012.6 | ||||
| 08 | 23:51 | SW 5 | 10.00 | Overcast | OVC250 | 78.1 | 66.9 | 69% | 80 | 29.93 | 1013.0 | ||||||
| 08 | 22:51 | SW 5 | 10.00 | Overcast | OVC250 | 79 | 66.9 | 67% | 81 | 29.94 | 1013.3 | ||||||
| 08 | 21:51 | SW 3 | 10.00 | Overcast | OVC250 | 81 | 66.9 | 62% | 83 | 29.94 | 1013.3 | ||||||
| 08 | 20:51 | SW 5 | 10.00 | Mostly Cloudy | FEW170 BKN250 | 82 | 66 | 58% | 84 | 29.91 | 1012.3 | ||||||
| 08 | 19:51 | SW 9 | 10.00 | Mostly Cloudy | FEW050 BKN250 | 84 | 64.9 | 53% | 86 | 29.91 | 1012.3 | ||||||
| 08 | 18:51 | SW 8 | 10.00 | A Few Clouds | FEW055 FEW250 | 86 | 64 | 89.1 | 86 | 48% | 87 | 29.92 | 1012.5 | ||||
| 08 | 17:51 | SW 10 | 10.00 | Partly Cloudy | FEW060 SCT250 | 88 | 63 | 43% | 89 | 29.93 | 1012.9 | ||||||
| 08 | 15:51 | S 10 | 10.00 | A Few Clouds | FEW050 FEW250 | 88 | 64 | 45% | 89 | 29.95 | 1013.6 | ||||||
| 08 | 14:51 | SW 6 | 10.00 | A Few Clouds | FEW055 FEW250 | 88 | 64 | 45% | 89 | 29.97 | 1014.4 | ||||||
| 08 | 13:51 | W 6 | 10.00 | Partly Cloudy | SCT050 SCT250 | 87.1 | 63 | 45% | 88 | 30 | 1015.5 | ||||||
| 08 | 12:51 | W 8 | 10.00 | A Few Clouds | FEW050 | 86 | 62.1 | 86 | 73 | 45% | 87 | 30.02 | 1016.0 | ||||
| 08 | 11:51 | SW 7 | 10.00 | A Few Clouds | FEW050 FEW080 | 84.9 | 62.1 | 46% | 85 | 30.04 | 1016.7 | ||||||
| 08 | 10:51 | W 7 | 10.00 | A Few Clouds | FEW080 FEW250 | 84 | 62.1 | 48% | 85 | 30.05 | 1016.9 | ||||||
| 08 | 09:51 | SW 10 | 10.00 | A Few Clouds | FEW060 FEW250 | 82 | 62.1 | 51% | 83 | 30.05 | 1017.0 | ||||||
| 08 | 08:51 | W 8 | 10.00 | A Few Clouds | FEW060 FEW250 | 80.1 | 64 | 58% | 82 | 30.06 | 1017.5 | ||||||
| 08 | 07:51 | W 5 | 10.00 | A Few Clouds | FEW060 FEW250 | 77 | 64 | 64% | 79 | 30.07 | 1017.5 | ||||||
| 08 | 06:51 | SW 6 | 10.00 | A Few Clouds | FEW060 FEW250 | 73 | 61 | 73 | 68 | 66% | 30.06 | 1017.2 | |||||
| 08 | 05:51 | W 6 | 10.00 | A Few Clouds | FEW040 FEW250 | 70 | 60.1 | 71% | 30.06 | 1017.3 | |||||||
| 08 | 04:51 | W 6 | 10.00 | A Few Clouds | FEW250 | 69.1 | 59 | 70% | 30.04 | 1016.8 | |||||||
| 08 | 03:51 | W 3 | 10.00 | A Few Clouds | FEW250 | 69.1 | 59 | 70% | 30.04 | 1016.8 | |||||||
| 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) | |||||||||||||||