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. | ||||||||||||||||
| 23 | 21:51 | SE 6 | 10.00 | Mostly Cloudy | SCT065 BKN250 | 70 | 48.9 | 47% | 30.17 | 1021.3 | |||||||
| 23 | 20:51 | SE 8 | 10.00 | Mostly Cloudy | SCT065 BKN250 | 70 | 48 | 46% | 30.16 | 1020.9 | |||||||
| 23 | 18:51 | E 10 | 10.00 | Mostly Cloudy | FEW070 BKN250 | 73 | 48 | 78.1 | 73 | 41% | 30.15 | 1020.7 | |||||
| 23 | 17:51 | SE 9 | 10.00 | Mostly Cloudy | SCT070 BKN250 | 75.9 | 48 | 37% | 78 | 30.15 | 1020.7 | ||||||
| 23 | 16:51 | E 6 | 10.00 | Mostly Cloudy | BKN070 BKN250 | 75.9 | 46 | 35% | 78 | 30.16 | 1020.9 | ||||||
| 23 | 15:51 | E 5 | 10.00 | Mostly Cloudy | BKN070 | 77 | 46.9 | 35% | 78 | 30.17 | 1021.4 | ||||||
| 23 | 14:51 | Vrbl 3 | 10.00 | Mostly Cloudy | BKN070 | 75.9 | 46 | 35% | 78 | 30.18 | 1021.8 | ||||||
| 23 | 13:51 | NW 3 | 10.00 | Mostly Cloudy | BKN070 | 75.9 | 45 | 33% | 77 | 30.2 | 1022.4 | ||||||
| 23 | 12:51 | S 6 | 10.00 | Mostly Cloudy | BKN070 BKN100 | 75 | 46 | 75.9 | 61 | 36% | 77 | 30.21 | 1022.5 | ||||
| 23 | 11:51 | Vrbl 3 | 10.00 | Mostly Cloudy | BKN070 BKN100 | 75.9 | 46 | 35% | 78 | 30.22 | 1023.0 | ||||||
| 23 | 10:51 | S 6 | 10.00 | Mostly Cloudy | BKN065 | 73 | 46 | 38% | 30.22 | 1023.1 | |||||||
| 23 | 09:51 | Calm | 10.00 | A Few Clouds | FEW065 | 72 | 46.9 | 41% | 30.22 | 1023.0 | |||||||
| 23 | 08:51 | Vrbl 3 | 10.00 | A Few Clouds | FEW065 | 70 | 46 | 42% | 30.23 | 1023.3 | |||||||
| 23 | 07:51 | NW 5 | 10.00 | A Few Clouds | FEW065 | 66.9 | 44.1 | 44% | 30.22 | 1023.2 | |||||||
| 23 | 06:51 | NW 3 | 10.00 | A Few Clouds | FEW070 | 61 | 46.9 | 62.1 | 57.9 | 60% | 30.21 | 1022.6 | |||||
| 23 | 05:51 | W 3 | 10.00 | A Few Clouds | FEW070 | 59 | 46 | 62% | 30.19 | 1022.1 | |||||||
| 23 | 04:51 | W 3 | 10.00 | A Few Clouds | FEW070 | 59 | 46.9 | 64% | 30.18 | 1021.7 | |||||||
| 23 | 03:51 | W 3 | 10.00 | Fair | CLR | 59 | 46.9 | 64% | 30.17 | 1021.5 | |||||||
| 23 | 02:51 | Calm | 10.00 | Fair | CLR | 60.1 | 46 | 60% | 30.16 | 1021.2 | |||||||
| 23 | 01:51 | Calm | 10.00 | Fair | CLR | 61 | 46.9 | 60% | 30.15 | 1020.9 | |||||||
| 23 | 00:51 | W 3 | 10.00 | A Few Clouds | FEW070 | 62.1 | 46 | 71.1 | 62.1 | 56% | 30.14 | 1020.4 | |||||
| 22 | 23:51 | Calm | 10.00 | A Few Clouds | FEW070 | 63 | 46.9 | 56% | 30.14 | 1020.3 | |||||||
| 22 | 22:51 | Calm | 10.00 | A Few Clouds | FEW070 | 64.9 | 45 | 49% | 30.14 | 1020.3 | |||||||
| 22 | 21:51 | SE 3 | 10.00 | A Few Clouds | FEW070 | 66 | 44.1 | 45% | 30.13 | 1020.1 | |||||||
| 22 | 20:51 | E 6 | 10.00 | A Few Clouds | FEW070 FEW300 | 66.9 | 43 | 42% | 30.12 | 1019.5 | |||||||
| 22 | 19:51 | NE 8 | 10.00 | A Few Clouds | FEW070 FEW300 | 69.1 | 39.9 | 35% | 30.1 | 1019.1 | |||||||
| 22 | 18:51 | NE 12 G 20 | 10.00 | A Few Clouds | FEW065 FEW300 | 71.1 | 41 | 73.9 | 69.1 | 34% | 30.1 | 1018.9 | |||||
| 22 | 17:51 | NE 15 G 18 | 10.00 | A Few Clouds | FEW050 FEW065 | 72 | 41 | 33% | 30.09 | 1018.7 | |||||||
| 22 | 16:51 | NE 8 G 23 | 10.00 | Partly Cloudy | SCT050 SCT250 | 72 | 41 | 33% | 30.09 | 1018.8 | |||||||
| 22 | 15:51 | N 13 G 18 | 10.00 | A Few Clouds | FEW045 | 73.9 | 41 | 31% | 30.09 | 1018.7 | |||||||
| 22 | 14:51 | N 12 G 18 | 10.00 | Partly Cloudy | SCT044 | 72 | 43 | 35% | 30.1 | 1018.9 | |||||||
| 22 | 13:51 | NE 12 G 24 | 10.00 | Partly Cloudy | SCT044 | 71.1 | 48 | 44% | 30.1 | 1018.8 | |||||||
| 22 | 12:51 | NE 13 G 22 | 10.00 | Mostly Cloudy | FEW043 BKN055 | 71.1 | 50 | 71.1 | 61 | 47% | 30.1 | 1018.9 | |||||
| 22 | 11:51 | N 14 G 23 | 10.00 | Mostly Cloudy | FEW040 BKN060 | 68 | 51.1 | 55% | 30.1 | 1018.9 | |||||||
| 22 | 10:51 | NE 13 G 24 | 10.00 | Mostly Cloudy | FEW039 BKN050 | 66.9 | 52 | 59% | 30.08 | 1018.5 | |||||||
| 22 | 09:51 | N 9 | 10.00 | Mostly Cloudy | FEW038 BKN050 | 68 | 48.9 | 51% | 30.07 | 1017.8 | |||||||
| 22 | 08:51 | N 14 | 10.00 | A Few Clouds | FEW032 FEW250 | 66 | 48 | 52% | 30.06 | 1017.5 | |||||||
| 22 | 07:51 | N 12 | 10.00 | A Few Clouds | FEW030 FEW041 FEW250 | 64 | 48.9 | 58% | 30.04 | 1017.0 | |||||||
| 22 | 06:51 | N 12 | 10.00 | Mostly Cloudy | FEW027 FEW041 BKN250 | 61 | 50 | 66 | 60.1 | 67% | 30.02 | 1016.3 | |||||
| 22 | 05:51 | N 12 | 10.00 | Partly Cloudy | FEW025 FEW040 SCT250 | 60.1 | 50 | 70% | 30.01 | 1015.7 | |||||||
| 22 | 04:51 | N 9 | 10.00 | Partly Cloudy | FEW035 SCT250 | 61 | 53.1 | 75% | 29.99 | 1015.3 | |||||||
| 22 | 03:51 | N 9 | 10.00 | Mostly Cloudy | SCT035 BKN250 | 64 | 53.1 | 68% | 29.98 | 1014.8 | |||||||
| 22 | 02:51 | NE 12 | 10.00 | Mostly Cloudy | BKN027 | 66 | 53.1 | 63% | 29.97 | 1014.5 | |||||||
| 22 | 01:51 | NE 13 | 10.00 | Mostly Cloudy | BKN027 BKN036 | 66 | 55 | 68% | 29.96 | 1014.1 | |||||||
| 22 | 00:51 | NE 13 | 10.00 | Mostly Cloudy | BKN023 BKN032 | 66 | 55.9 | 81 | 66 | 70% | 29.95 | 1013.9 | |||||
| 21 | 23:51 | NE 18 | 10.00 | Mostly Cloudy | BKN023 BKN032 | 68 | 57 | 68% | 29.94 | 1013.5 | |||||||
| 21 | 22:51 | NE 18 G 26 | 10.00 | Mostly Cloudy | BKN022 BKN028 | 69.1 | 60.1 | 73% | 29.94 | 1013.3 | |||||||
| 21 | 21:51 | NE 20 G 25 | 10.00 | Mostly Cloudy | BKN021 BKN080 | 70 | 61 | 73% | 29.91 | 1012.5 | |||||||
| 21 | 20:51 | NE 17 | 10.00 | Mostly Cloudy | BKN019 BKN050 | 71.1 | 63 | 76% | 29.86 | 1010.8 | |||||||
| 21 | 19:51 | NE 23 | 10.00 | Mostly Cloudy and Breezy | FEW030 BKN050 BKN250 | 73 | 64 | 74% | 29.82 | 1009.4 | |||||||
| 21 | 18:51 | NW 17 G 28 | 10.00 | A Few Clouds | FEW055 FEW250 | 81 | 57.9 | 87.1 | 81 | 45% | 81 | 29.78 | 1008.0 | ||||
| 21 | 17:51 | NW 14 G 32 | 10.00 | Partly Cloudy | SCT060 SCT250 | 82.9 | 59 | 44% | 83 | 29.77 | 1007.4 | ||||||
| 21 | 16:51 | NW 17 G 26 | 10.00 | Partly Cloudy | SCT060 | 82.9 | 57.9 | 43% | 83 | 29.75 | 1006.7 | ||||||
| 21 | 15:51 | NW 16 G 25 | 10.00 | Partly Cloudy | SCT055 | 86 | 59 | 40% | 85 | 29.74 | 1006.4 | ||||||
| 21 | 14:51 | NW 16 G 30 | 10.00 | Mostly Cloudy | SCT050 BKN250 | 86 | 60.1 | 42% | 86 | 29.73 | 1006.1 | ||||||
| 21 | 13:51 | NW 16 G 24 | 10.00 | Mostly Cloudy | BKN050 BKN250 | 84 | 62.1 | 48% | 85 | 29.73 | 1006.3 | ||||||
| 21 | 12:51 | NW 17 G 26 | 10.00 | Partly Cloudy | FEW043 SCT055 | 84 | 62.1 | 84.9 | 73.9 | 48% | 85 | 29.72 | 1005.9 | ||||
| 21 | 11:51 | W 14 G 23 | 10.00 | Mostly Cloudy | SCT038 BKN050 | 82.9 | 64 | 53% | 84 | 29.71 | 1005.6 | ||||||
| 21 | 10:51 | NW 13 G 22 | 10.00 | Mostly Cloudy | SCT039 BKN049 | 82 | 64.9 | 56% | 84 | 29.7 | 1005.0 | ||||||
| 21 | 09:51 | W 10 | 10.00 | A Few Clouds | FEW032 | 81 | 66.9 | 62% | 83 | 29.69 | 1004.7 | ||||||
| 21 | 08:51 | W 10 | 10.00 | A Few Clouds | FEW250 | 78.1 | 68 | 71% | 80 | 29.69 | 1004.9 | ||||||
| 21 | 07:51 | W 10 | 10.00 | Partly Cloudy | FEW090 SCT250 | 75 | 68 | 79% | 76 | 29.69 | 1004.9 | ||||||
| 21 | 06:51 | W 7 | 10.00 | Mostly Cloudy | SCT090 BKN250 | 73.9 | 69.1 | 77 | 73.9 | 85% | 29.68 | 1004.5 | |||||
| 21 | 05:51 | W 5 | 10.00 | Mostly Cloudy | FEW045 BKN070 BKN150 BKN250 | 73.9 | 69.1 | 85% | 29.68 | 1004.4 | |||||||
| 21 | 04:51 | W 7 | 10.00 | Thunderstorm | FEW046CB SCT095 BKN150 BKN250 | 75 | 70 | 84% | 75 | 29.65 | 1003.6 | ||||||
| 21 | 03:51 | W 8 G 18 | 10.00 | Thunderstorm | SCT040CB BKN095 OVC150 | 75.9 | 70 | 82% | 77 | 29.66 | 1003.8 | ||||||
| 21 | 02:51 | W 9 G 18 | 10.00 | Overcast | SCT037 BKN047 OVC150 | 77 | 70 | 79% | 79 | 29.66 | 1003.9 | ||||||
| 21 | 01:51 | W 10 | 9.00 | Mostly Cloudy | BKN044 BKN250 | 75.9 | 71.1 | 85% | 76 | 29.66 | 1003.9 | ||||||
| 21 | 00:51 | W 8 | 7.00 | Mostly Cloudy | SCT050 BKN250 | 75.9 | 71.1 | 79 | 75.9 | 85% | 76 | 29.67 | 1004.1 | ||||
| 20 | 23:51 | W 12 G 22 | 6.00 | Mostly Cloudy with Haze | FEW050 BKN250 | 75.9 | 71.1 | 85% | 76 | 29.67 | 1004.2 | ||||||
| 20 | 22:51 | SW 14 G 21 | 6.00 | Mostly Cloudy with Haze | BKN250 | 75.9 | 70 | 82% | 77 | 29.69 | 1004.6 | ||||||
| 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) | |||||||||||||||