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. | ||||||||||||||||
| 22 | 09:51 | N 15 | 16.09 | Mostly Cloudy | FEW038 BKN050 | 20 | 9.4 | 51% | 76.38 | 1017.8 | |||||||
| 22 | 08:51 | N 22 | 16.09 | A Few Clouds | FEW032 FEW250 | 18.9 | 8.9 | 52% | 76.35 | 1017.5 | |||||||
| 22 | 07:51 | N 19 | 16.09 | A Few Clouds | FEW030 FEW041 FEW250 | 17.8 | 9.4 | 58% | 76.3 | 1017.0 | |||||||
| 22 | 06:51 | N 19 | 16.09 | Mostly Cloudy | FEW027 FEW041 BKN250 | 16.1 | 10 | 18.9 | 15.6 | 67% | 76.25 | 1016.3 | |||||
| 22 | 05:51 | N 19 | 16.09 | Partly Cloudy | FEW025 FEW040 SCT250 | 15.6 | 10 | 70% | 76.23 | 1015.7 | |||||||
| 22 | 04:51 | N 15 | 16.09 | Partly Cloudy | FEW035 SCT250 | 16.1 | 11.7 | 75% | 76.17 | 1015.3 | |||||||
| 22 | 03:51 | N 15 | 16.09 | Mostly Cloudy | SCT035 BKN250 | 17.8 | 11.7 | 68% | 76.15 | 1014.8 | |||||||
| 22 | 02:51 | NE 19 | 16.09 | Mostly Cloudy | BKN027 | 18.9 | 11.7 | 63% | 76.12 | 1014.5 | |||||||
| 22 | 01:51 | NE 20 | 16.09 | Mostly Cloudy | BKN027 BKN036 | 18.9 | 12.8 | 68% | 76.1 | 1014.1 | |||||||
| 22 | 00:51 | NE 20 | 16.09 | Mostly Cloudy | BKN023 BKN032 | 18.9 | 13.3 | 27.2 | 18.9 | 70% | 76.07 | 1013.9 | |||||
| 21 | 23:51 | NE 30 | 16.09 | Mostly Cloudy | BKN023 BKN032 | 20 | 13.9 | 68% | 76.05 | 1013.5 | |||||||
| 21 | 22:51 | NE 30 G 43 | 16.09 | Mostly Cloudy | BKN022 BKN028 | 20.6 | 15.6 | 73% | 76.05 | 1013.3 | |||||||
| 21 | 21:51 | NE 31 G 41 | 16.09 | Mostly Cloudy | BKN021 BKN080 | 21.1 | 16.1 | 73% | 75.97 | 1012.5 | |||||||
| 21 | 20:51 | NE 28 | 16.09 | Mostly Cloudy | BKN019 BKN050 | 21.7 | 17.2 | 76% | 75.84 | 1010.8 | |||||||
| 21 | 19:51 | NE 37 | 16.09 | Mostly Cloudy and Breezy | FEW030 BKN050 BKN250 | 22.8 | 17.8 | 74% | 75.74 | 1009.4 | |||||||
| 21 | 18:51 | NW 28 G 44 | 16.09 | A Few Clouds | FEW055 FEW250 | 27.2 | 14.4 | 30.6 | 27.2 | 45% | 27 | 75.64 | 1008.0 | ||||
| 21 | 17:51 | NW 22 G 52 | 16.09 | Partly Cloudy | SCT060 SCT250 | 28.3 | 15 | 44% | 28 | 75.62 | 1007.4 | ||||||
| 21 | 16:51 | NW 28 G 43 | 16.09 | Partly Cloudy | SCT060 | 28.3 | 14.4 | 43% | 28 | 75.57 | 1006.7 | ||||||
| 21 | 15:51 | NW 26 G 41 | 16.09 | Partly Cloudy | SCT055 | 30 | 15 | 40% | 30 | 75.54 | 1006.4 | ||||||
| 21 | 14:51 | NW 26 G 48 | 16.09 | Mostly Cloudy | SCT050 BKN250 | 30 | 15.6 | 42% | 30 | 75.51 | 1006.1 | ||||||
| 21 | 13:51 | NW 26 G 39 | 16.09 | Mostly Cloudy | BKN050 BKN250 | 28.9 | 16.7 | 48% | 29 | 75.51 | 1006.3 | ||||||
| 21 | 12:51 | NW 28 G 43 | 16.09 | Partly Cloudy | FEW043 SCT055 | 28.9 | 16.7 | 29.4 | 23.3 | 48% | 29 | 75.49 | 1005.9 | ||||
| 21 | 11:51 | W 22 G 37 | 16.09 | Mostly Cloudy | SCT038 BKN050 | 28.3 | 17.8 | 53% | 29 | 75.46 | 1005.6 | ||||||
| 21 | 10:51 | NW 20 G 35 | 16.09 | Mostly Cloudy | SCT039 BKN049 | 27.8 | 18.3 | 56% | 29 | 75.44 | 1005.0 | ||||||
| 21 | 09:51 | W 17 | 16.09 | A Few Clouds | FEW032 | 27.2 | 19.4 | 62% | 29 | 75.41 | 1004.7 | ||||||
| 21 | 08:51 | W 17 | 16.09 | A Few Clouds | FEW250 | 25.6 | 20 | 71% | 27 | 75.41 | 1004.9 | ||||||
| 21 | 07:51 | W 17 | 16.09 | Partly Cloudy | FEW090 SCT250 | 23.9 | 20 | 79% | 24 | 75.41 | 1004.9 | ||||||
| 21 | 06:51 | W 11 | 16.09 | Mostly Cloudy | SCT090 BKN250 | 23.3 | 20.6 | 25 | 23.3 | 85% | 75.39 | 1004.5 | |||||
| 21 | 05:51 | W 7 | 16.09 | Mostly Cloudy | FEW045 BKN070 BKN150 BKN250 | 23.3 | 20.6 | 85% | 75.39 | 1004.4 | |||||||
| 21 | 04:51 | W 11 | 16.09 | Thunderstorm | FEW046CB SCT095 BKN150 BKN250 | 23.9 | 21.1 | 84% | 24 | 75.31 | 1003.6 | ||||||
| 21 | 03:51 | W 13 G 30 | 16.09 | Thunderstorm | SCT040CB BKN095 OVC150 | 24.4 | 21.1 | 82% | 25 | 75.34 | 1003.8 | ||||||
| 21 | 02:51 | W 15 G 30 | 16.09 | Overcast | SCT037 BKN047 OVC150 | 25 | 21.1 | 79% | 26 | 75.34 | 1003.9 | ||||||
| 21 | 01:51 | W 17 | 14.48 | Mostly Cloudy | BKN044 BKN250 | 24.4 | 21.7 | 85% | 25 | 75.34 | 1003.9 | ||||||
| 21 | 00:51 | W 13 | 11.27 | Mostly Cloudy | SCT050 BKN250 | 24.4 | 21.7 | 26.1 | 24.4 | 85% | 25 | 75.36 | 1004.1 | ||||
| 20 | 23:51 | W 19 G 35 | 9.66 | Mostly Cloudy with Haze | FEW050 BKN250 | 24.4 | 21.7 | 85% | 25 | 75.36 | 1004.2 | ||||||
| 20 | 22:51 | SW 22 G 33 | 9.66 | Mostly Cloudy with Haze | BKN250 | 24.4 | 21.1 | 82% | 25 | 75.41 | 1004.6 | ||||||
| 20 | 21:51 | SW 19 | 9.66 | Mostly Cloudy with Haze | BKN250 | 24.4 | 20.6 | 79% | 25 | 75.41 | 1005.0 | ||||||
| 20 | 20:51 | SW 19 G 39 | 8.05 | Partly Cloudy with Haze | SCT250 | 25.6 | 20 | 71% | 27 | 75.44 | 1005.4 | ||||||
| 20 | 19:51 | SW 26 G 41 | 8.05 | Overcast with Haze | FEW090 SCT150 OVC250 | 26.1 | 20 | 69% | 27 | 75.46 | 1005.7 | ||||||
| 20 | 18:51 | SW 24 G 39 | 8.05 | Overcast with Haze | SCT085 BKN150 OVC250 | 26.1 | 20 | 27.8 | 25 | 69% | 27 | 75.62 | 1007.7 | ||||
| 20 | 17:51 | SW 22 G 31 | 8.05 | Mostly Cloudy with Haze | SCT200 BKN300 | 27.2 | 18.9 | 61% | 28 | 75.67 | 1008.3 | ||||||
| 20 | 16:51 | S 24 G 37 | 8.05 | A Few Clouds with Haze | FEW035 FEW250 | 27.8 | 18.3 | 56% | 29 | 75.57 | 1006.9 | ||||||
| 20 | 15:51 | S 24 | 8.05 | Partly Cloudy with Haze | SCT250 | 27.2 | 18.3 | 58% | 28 | 75.67 | 1008.4 | ||||||
| 20 | 14:51 | S 20 G 39 | 8.05 | Mostly Cloudy with Haze | FEW030 FEW150 SCT220 BKN250 | 26.1 | 18.3 | 62% | 27 | 75.79 | 1009.9 | ||||||
| 20 | 13:51 | SW 22 G 35 | 11.27 | Overcast | FEW035 BKN110 BKN180 OVC250 | 25 | 17.8 | 64% | 26 | 75.84 | 1010.9 | ||||||
| 20 | 12:51 | SW 22 G 33 | 11.27 | Overcast | SCT150 BKN200 OVC250 | 25.6 | 17.8 | 26.1 | 19.4 | 62% | 27 | 75.95 | 1012.1 | ||||
| 20 | 11:51 | SW 15 | 11.27 | Overcast | BKN200 OVC250 | 25.6 | 17.2 | 60% | 27 | 75.95 | 1012.2 | ||||||
| 20 | 10:51 | S 15 | 9.66 | Overcast with Haze | OVC250 | 25 | 17.2 | 62% | 26 | 76.02 | 1013.0 | ||||||
| 20 | 09:51 | SW 9 | 9.66 | Overcast with Haze | OVC250 | 24.4 | 16.7 | 62% | 25 | 76.05 | 1013.5 | ||||||
| 20 | 08:51 | SW 15 | 9.66 | Mostly Cloudy with Haze | FEW140 BKN250 | 23.3 | 16.1 | 64% | 76 | 1012.6 | |||||||
| 20 | 07:51 | SW 9 | 9.66 | Mostly Cloudy with Haze | FEW200 BKN250 | 21.7 | 16.7 | 73% | 76.05 | 1013.6 | |||||||
| 20 | 06:51 | SW 6 | 8.05 | Smoke | BKN250 | 19.4 | 16.1 | 20 | 18.3 | 81% | 76.05 | 1013.6 | |||||
| 20 | 05:51 | Calm | 6.44 | Smoke | FEW200 | 18.3 | 15.6 | 84% | 76.05 | 1013.5 | |||||||
| 20 | 04:51 | Calm | 8.05 | Fair with Haze | CLR | 18.9 | 15.6 | 81% | 76.07 | 1013.6 | |||||||
| 20 | 03:51 | Calm | 8.05 | A Few Clouds with Haze | FEW200 | 18.3 | 15 | 81% | 76.07 | 1013.8 | |||||||
| 20 | 02:51 | Calm | 8.05 | A Few Clouds with Haze | FEW200 | 18.9 | 15.6 | 81% | 76.12 | 1014.3 | |||||||
| 20 | 01:51 | Calm | 8.05 | A Few Clouds with Haze | FEW200 | 19.4 | 15.6 | 79% | 76.12 | 1014.5 | |||||||
| 20 | 00:51 | Calm | 8.05 | Fair with Haze | CLR | 20 | 15.6 | 24.4 | 20 | 76% | 76.15 | 1014.8 | |||||
| 19 | 23:51 | SE 7 | 9.66 | Fair with Haze | CLR | 20.6 | 15 | 70% | 76.17 | 1015.3 | |||||||
| 19 | 22:51 | E 7 | 9.66 | Fair with Haze | CLR | 21.1 | 15.6 | 71% | 76.2 | 1015.5 | |||||||
| 19 | 21:51 | E 9 | 12.87 | Fair | CLR | 21.1 | 15 | 68% | 76.23 | 1015.6 | |||||||
| 19 | 20:51 | E 11 | 11.27 | A Few Clouds | FEW250 | 22.2 | 14.4 | 61% | 76.17 | 1015.2 | |||||||
| 19 | 19:51 | NE 11 | 12.87 | A Few Clouds | FEW250 | 22.8 | 13.3 | 55% | 76.17 | 1015.2 | |||||||
| 19 | 18:51 | N 17 | 12.87 | A Few Clouds | FEW250 | 24.4 | 13.3 | 26.7 | 24.4 | 50% | 26 | 76.17 | 1015.0 | ||||
| 19 | 17:51 | NE 15 | 12.87 | A Few Clouds | FEW035 FEW250 | 25.6 | 12.8 | 45% | 26 | 76.17 | 1015.1 | ||||||
| 19 | 15:51 | NE 15 | 12.87 | A Few Clouds | FEW035 | 26.1 | 13.9 | 47% | 27 | 76.23 | 1015.7 | ||||||
| 19 | 14:51 | NE 13 | 12.87 | A Few Clouds | FEW035 FEW250 | 26.1 | 14.4 | 49% | 27 | 76.28 | 1016.3 | ||||||
| 19 | 13:51 | NE 15 | 12.87 | A Few Clouds | FEW033 FEW250 | 25.6 | 15 | 52% | 26 | 76.3 | 1016.7 | ||||||
| 19 | 12:51 | NE 17 | 12.87 | Partly Cloudy | FEW033 SCT250 | 25 | 15 | 25 | 21.7 | 54% | 26 | 76.3 | 1016.7 | ||||
| 19 | 11:51 | NE 19 | 12.87 | Partly Cloudy | SCT032 SCT250 | 23.9 | 15.6 | 60% | 25 | 76.33 | 1017.1 | ||||||
| 19 | 10:51 | E 15 | 12.87 | Partly Cloudy | SCT031 SCT250 | 24.4 | 15.6 | 58% | 26 | 76.33 | 1017.2 | ||||||
| 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) | |||||||||||||||