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. | ||||||||||||||||
| 13 | 01:51 | N 20 | 16.09 | A Few Clouds | FEW040 FEW250 | 20 | 13.3 | 65% | 76.12 | 1014.3 | |||||||
| 13 | 00:51 | NW 17 | 16.09 | Partly Cloudy | SCT040 SCT250 | 21.7 | 16.7 | 28.3 | 21.7 | 73% | 76.1 | 1013.9 | |||||
| 12 | 23:51 | NW 11 | 16.09 | Mostly Cloudy | BKN036 BKN160 | 22.8 | 18.9 | 79% | 76.07 | 1013.6 | |||||||
| 12 | 22:51 | NW 7 | 16.09 | Partly Cloudy | SCT038 SCT160 | 22.8 | 18.9 | 79% | 76.05 | 1013.2 | |||||||
| 12 | 21:51 | NW 15 | 16.09 | A Few Clouds | FEW041 FEW160 | 23.3 | 19.4 | 79% | 76.02 | 1012.9 | |||||||
| 12 | 20:51 | NW 19 | 16.09 | A Few Clouds | FEW041 FEW250 | 24.4 | 19.4 | 74% | 25 | 75.97 | 1012.3 | ||||||
| 12 | 19:51 | NW 19 | 16.09 | Mostly Cloudy | BKN041 BKN250 | 26.1 | 20 | 69% | 27 | 75.87 | 1010.8 | ||||||
| 12 | 18:51 | W 9 | 16.09 | Mostly Cloudy | FEW050 SCT240 BKN250 | 28.3 | 19.4 | 31.1 | 28.3 | 59% | 30 | 75.82 | 1010.2 | ||||
| 12 | 17:51 | SW 19 | 16.09 | Mostly Cloudy | FEW055 FEW070 SCT240 BKN300 | 28.9 | 18.3 | 53% | 30 | 75.82 | 1010.2 | ||||||
| 12 | 16:51 | SW 11 G 30 | 16.09 | Mostly Cloudy | FEW050 BKN240 BKN300 | 29.4 | 17.8 | 50% | 30 | 75.79 | 1010.0 | ||||||
| 12 | 15:51 | W 19 | 16.09 | Mostly Cloudy | FEW050 FEW120 BKN240 BKN300 | 30.6 | 17.2 | 45% | 31 | 75.79 | 1009.7 | ||||||
| 12 | 14:51 | W 19 G 35 | 16.09 | Mostly Cloudy | FEW050 FEW120 BKN210 BKN250 | 30 | 16.1 | 43% | 30 | 75.82 | 1010.1 | ||||||
| 12 | 13:51 | W 19 G 35 | 16.09 | Mostly Cloudy | SCT050 SCT200 BKN250 | 30.6 | 16.1 | 42% | 31 | 75.84 | 1010.4 | ||||||
| 12 | 12:51 | SW 15 G 30 | 16.09 | Mostly Cloudy | SCT047 BKN250 | 30 | 17.2 | 30 | 18.9 | 46% | 30 | 75.84 | 1010.5 | ||||
| 12 | 11:51 | W 24 | 16.09 | Partly Cloudy | SCT045 SCT250 | 28.9 | 17.2 | 49% | 29 | 75.84 | 1010.6 | ||||||
| 12 | 10:51 | SW 15 | 16.09 | A Few Clouds | FEW043 FEW250 | 27.2 | 18.3 | 58% | 28 | 75.84 | 1010.5 | ||||||
| 12 | 09:51 | SW 13 | 16.09 | A Few Clouds | FEW250 | 26.1 | 19.4 | 67% | 27 | 75.84 | 1010.7 | ||||||
| 12 | 08:51 | SW 11 | 16.09 | A Few Clouds | FEW250 | 23.3 | 19.4 | 79% | 75.87 | 1011.0 | |||||||
| 12 | 07:51 | SW 7 | 16.09 | Partly Cloudy | FEW050 SCT250 | 21.1 | 17.8 | 82% | 75.9 | 1011.6 | |||||||
| 12 | 06:51 | S 7 | 16.09 | Partly Cloudy | FEW050 SCT250 | 18.9 | 17.2 | 21.1 | 18.9 | 90% | 75.87 | 1011.1 | |||||
| 12 | 05:51 | S 7 | 16.09 | Mostly Cloudy | SCT055 BKN250 | 18.9 | 16.7 | 87% | 75.82 | 1010.5 | |||||||
| 12 | 04:51 | S 7 | 16.09 | Partly Cloudy | SCT055 SCT250 | 19.4 | 16.7 | 84% | 75.82 | 1010.3 | |||||||
| 12 | 03:51 | S 9 | 16.09 | A Few Clouds | FEW050 FEW250 | 19.4 | 16.1 | 81% | 75.82 | 1010.4 | |||||||
| 12 | 02:51 | S 7 | 16.09 | A Few Clouds | FEW050 FEW250 | 19.4 | 16.1 | 81% | 75.84 | 1010.7 | |||||||
| 12 | 01:51 | S 6 | 16.09 | A Few Clouds | FEW050 FEW250 | 20.6 | 16.1 | 76% | 75.9 | 1011.3 | |||||||
| 12 | 00:51 | S 7 | 16.09 | A Few Clouds | FEW048 FEW300 | 21.1 | 15.6 | 23.9 | 21.1 | 71% | 75.9 | 1011.5 | |||||
| 11 | 23:51 | S 13 | 16.09 | A Few Clouds | FEW050 FEW300 | 21.1 | 15.6 | 71% | 75.9 | 1011.5 | |||||||
| 11 | 22:51 | S 15 | 16.09 | A Few Clouds | FEW050 FEW300 | 21.7 | 15.6 | 68% | 75.92 | 1011.6 | |||||||
| 11 | 21:51 | SE 9 | 16.09 | A Few Clouds | FEW055 FEW300 | 21.1 | 15.6 | 71% | 75.92 | 1011.8 | |||||||
| 11 | 20:51 | SE 11 | 16.09 | A Few Clouds | FEW055 FEW300 | 22.2 | 14.4 | 61% | 75.95 | 1012.0 | |||||||
| 11 | 19:51 | SE 17 | 16.09 | A Few Clouds | FEW060 FEW300 | 22.8 | 13.9 | 57% | 75.92 | 1011.9 | |||||||
| 11 | 18:51 | SE 22 | 16.09 | A Few Clouds | FEW060 FEW300 | 23.9 | 12.8 | 27.8 | 23.9 | 50% | 25 | 75.92 | 1011.8 | ||||
| 11 | 17:51 | SE 19 | 16.09 | A Few Clouds | FEW060 FEW300 | 25.6 | 12.8 | 45% | 26 | 75.95 | 1012.1 | ||||||
| 11 | 16:51 | SE 13 G 30 | 16.09 | A Few Clouds | FEW060 FEW300 | 26.7 | 12.8 | 42% | 27 | 75.97 | 1012.4 | ||||||
| 11 | 15:51 | SE 22 G 33 | 16.09 | A Few Clouds | FEW060 FEW300 | 27.2 | 12.8 | 41% | 27 | 76 | 1012.8 | ||||||
| 11 | 14:51 | SE 15 | 16.09 | Partly Cloudy | FEW060 SCT300 | 27.8 | 12.8 | 40% | 27 | 76.07 | 1013.9 | ||||||
| 11 | 13:51 | S 11 | 16.09 | A Few Clouds | FEW060 FEW300 | 27.2 | 12.2 | 39% | 27 | 76.12 | 1014.6 | ||||||
| 11 | 12:51 | S 13 | 16.09 | A Few Clouds | FEW055 FEW300 | 26.7 | 11.7 | 26.7 | 16.1 | 39% | 27 | 76.2 | 1015.6 | ||||
| 11 | 11:51 | S 15 | 16.09 | Partly Cloudy | FEW055 SCT210 SCT300 | 26.1 | 11.7 | 41% | 26 | 76.3 | 1016.8 | ||||||
| 11 | 10:51 | SE 17 | 16.09 | A Few Clouds | FEW090 FEW300 | 24.4 | 11.7 | 45% | 26 | 76.33 | 1017.2 | ||||||
| 11 | 09:51 | SE 13 | 16.09 | A Few Clouds | FEW300 | 23.3 | 11.7 | 48% | 76.3 | 1017.0 | |||||||
| 11 | 08:51 | S 13 | 16.09 | A Few Clouds | FEW300 | 20.6 | 12.2 | 59% | 76.3 | 1016.8 | |||||||
| 11 | 07:51 | S 7 | 16.09 | A Few Clouds | FEW060 FEW300 | 18.3 | 14.4 | 78% | 76.3 | 1017.1 | |||||||
| 11 | 06:51 | S 6 | 16.09 | A Few Clouds | FEW060 | 16.1 | 13.9 | 17.8 | 15.6 | 87% | 76.3 | 1016.9 | |||||
| 11 | 05:51 | Calm | 16.09 | A Few Clouds | FEW060 | 15.6 | 13.9 | 90% | 76.3 | 1016.8 | |||||||
| 11 | 04:51 | Calm | 16.09 | A Few Clouds | FEW050 | 16.1 | 13.9 | 87% | 76.28 | 1016.7 | |||||||
| 11 | 03:51 | Calm | 16.09 | A Few Clouds | FEW050 | 16.1 | 14.4 | 90% | 76.28 | 1016.5 | |||||||
| 11 | 02:51 | Calm | 16.09 | A Few Clouds | FEW050 | 16.7 | 14.4 | 86% | 76.28 | 1016.5 | |||||||
| 11 | 01:51 | Calm | 16.09 | A Few Clouds | FEW060 | 17.2 | 14.4 | 84% | 76.25 | 1016.3 | |||||||
| 11 | 00:51 | SE 6 | 16.09 | Fair | CLR | 17.8 | 14.4 | 22.2 | 17.8 | 81% | 76.28 | 1016.7 | |||||
| 10 | 23:51 | Calm | 16.09 | Fair | CLR | 18.3 | 13.9 | 76% | 76.3 | 1016.7 | |||||||
| 10 | 22:51 | SE 6 | 16.09 | Fair | CLR | 18.9 | 13.3 | 70% | 76.25 | 1016.2 | |||||||
| 10 | 21:51 | SE 7 | 16.09 | Fair | CLR | 19.4 | 12.8 | 66% | 76.25 | 1016.3 | |||||||
| 10 | 20:51 | SE 7 | 16.09 | Fair | CLR | 20 | 12.2 | 61% | 76.23 | 1016.0 | |||||||
| 10 | 19:51 | E 11 | 16.09 | A Few Clouds | FEW045 FEW250 | 21.1 | 12.2 | 57% | 76.2 | 1015.4 | |||||||
| 10 | 18:51 | E 11 | 16.09 | A Few Clouds | FEW047 FEW250 | 22.8 | 10.6 | 25 | 22.2 | 46% | 76.2 | 1015.5 | |||||
| 10 | 17:51 | E 13 | 16.09 | Partly Cloudy | FEW050 SCT250 | 23.9 | 10.6 | 43% | 25 | 76.2 | 1015.4 | ||||||
| 10 | 16:51 | E 7 | 16.09 | Partly Cloudy | FEW050 SCT250 | 25 | 11.1 | 42% | 26 | 76.2 | 1015.5 | ||||||
| 10 | 15:51 | E 7 | 16.09 | Mostly Cloudy | FEW050 BKN250 | 25 | 10.6 | 40% | 26 | 76.23 | 1015.6 | ||||||
| 10 | 14:51 | NE 13 | 16.09 | Mostly Cloudy | FEW050 FEW150 BKN250 | 23.9 | 10 | 42% | 25 | 76.25 | 1016.2 | ||||||
| 10 | 13:51 | N 11 | 16.09 | Mostly Cloudy | FEW045 FEW150 BKN250 | 23.3 | 11.7 | 48% | 76.28 | 1016.6 | |||||||
| 10 | 12:51 | E 7 | 16.09 | Mostly Cloudy | FEW150 BKN250 | 23.9 | 12.8 | 23.9 | 19.4 | 50% | 25 | 76.33 | 1017.0 | ||||
| 10 | 11:51 | E 11 | 16.09 | Overcast | FEW150 OVC250 | 23.9 | 12.8 | 50% | 25 | 76.33 | 1017.1 | ||||||
| 10 | 10:51 | NE 11 | 16.09 | Overcast | OVC250 | 23.3 | 12.8 | 52% | 76.35 | 1017.4 | |||||||
| 10 | 09:51 | N 15 | 16.09 | Overcast | FEW100 SCT140 OVC250 | 22.2 | 13.3 | 57% | 76.33 | 1017.2 | |||||||
| 10 | 08:51 | N 15 | 16.09 | Mostly Cloudy | FEW110 BKN250 | 21.1 | 14.4 | 66% | 76.28 | 1016.6 | |||||||
| 10 | 07:51 | N 13 | 16.09 | Mostly Cloudy | FEW140 BKN250 | 19.4 | 16.1 | 81% | 76.25 | 1016.2 | |||||||
| 10 | 06:51 | NW 6 | 16.09 | Mostly Cloudy | FEW140 BKN250 | 20 | 16.7 | 21.7 | 19.4 | 81% | 76.23 | 1015.8 | |||||
| 10 | 05:51 | NW 7 | 16.09 | Mostly Cloudy | BKN250 | 19.4 | 18.3 | 93% | 76.23 | 1015.6 | |||||||
| 10 | 04:51 | NW 7 | 16.09 | Overcast | OVC250 | 19.4 | 18.9 | 97% | 76.17 | 1015.1 | |||||||
| 10 | 03:51 | W 6 | 16.09 | Overcast | OVC250 | 20 | 19.4 | 96% | 76.2 | 1015.4 | |||||||
| 10 | 02:51 | W 9 | 16.09 | Overcast | OVC250 | 20.6 | 20 | 96% | 76.2 | 1015.5 | |||||||
| 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) | |||||||||||||||