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 | 00:51 | SW 26 G 44 | 16.09 | A Few Clouds | FEW150 FEW250 | 20.6 | 8.3 | 23.9 | 20.6 | 45% | 75.13 | 1001.2 | |||||
| 21 | 23:51 | SW 24 G 41 | 16.09 | Partly Cloudy | SCT250 | 21.1 | 7.2 | 41% | 75.18 | 1001.9 | |||||||
| 21 | 22:51 | S 17 G 31 | 16.09 | Mostly Cloudy | SCT250 BKN300 | 21.7 | 6.7 | 38% | 75.21 | 1002.4 | |||||||
| 21 | 21:51 | SW 22 G 33 | 16.09 | Mostly Cloudy | BKN250 | 22.2 | 6.7 | 37% | 75.23 | 1002.7 | |||||||
| 21 | 20:51 | SW 19 | 16.09 | Mostly Cloudy | BKN250 | 22.2 | 7.2 | 38% | 75.26 | 1003.3 | |||||||
| 21 | 19:51 | SW 17 | 16.09 | Mostly Cloudy | FEW200 BKN250 | 22.8 | 7.2 | 37% | 75.31 | 1003.8 | |||||||
| 21 | 18:51 | SW 19 | 16.09 | Mostly Cloudy | FEW200 BKN250 | 23.9 | 7.2 | 25 | 17.2 | 34% | 25 | 75.31 | 1004.0 | ||||
| 21 | 17:51 | SW 22 G 43 | 16.09 | Mostly Cloudy | BKN250 | 25 | 7.2 | 32% | 25 | 75.34 | 1004.3 | ||||||
| 21 | 16:51 | S 19 | 16.09 | Mostly Cloudy | BKN250 | 23.3 | 6.7 | 34% | 75.39 | 1005.1 | |||||||
| 21 | 15:51 | S 28 G 43 | 16.09 | Mostly Cloudy | FEW100 BKN250 | 21.7 | 5.6 | 35% | 75.49 | 1006.1 | |||||||
| 21 | 14:51 | S 19 | 16.09 | Partly Cloudy | FEW100 SCT250 | 21.1 | 5.6 | 37% | 75.57 | 1007.5 | |||||||
| 21 | 13:51 | S 20 G 31 | 16.09 | A Few Clouds | FEW110 FEW250 | 18.9 | 3.9 | 37% | 75.72 | 1009.3 | |||||||
| 21 | 12:51 | S 19 | 16.09 | A Few Clouds | FEW110 FEW250 | 16.7 | 5 | 16.7 | 6.7 | 46% | 75.82 | 1011.1 | |||||
| 21 | 11:51 | S 19 | 14.48 | Partly Cloudy | FEW110 SCT250 | 15 | 6.7 | 58% | 75.9 | 1011.9 | |||||||
| 21 | 10:51 | S 11 | 12.87 | Overcast | BKN100 OVC250 | 12.8 | 5.6 | 62% | 75.97 | 1012.9 | |||||||
| 21 | 09:51 | S 9 | 14.48 | Mostly Cloudy | BKN120 BKN250 | 11.7 | 5 | 64% | 76 | 1013.4 | |||||||
| 21 | 08:51 | SE 11 | 12.87 | Mostly Cloudy | BKN140 BKN250 | 9.4 | 3.9 | 69% | 8 | 76 | 1013.5 | ||||||
| 21 | 07:51 | E 7 | 14.48 | Mostly Cloudy | BKN130 BKN250 | 7.2 | 2.8 | 74% | 6 | 76.02 | 1013.7 | ||||||
| 21 | 06:51 | E 7 | 16.09 | Overcast | BKN130 OVC250 | 6.7 | 2.8 | 7.8 | 5 | 76% | 6 | 76 | 1013.5 | ||||
| 21 | 05:51 | E 6 | 16.09 | Overcast | BKN150 OVC250 | 6.1 | 2.2 | 76% | 76 | 1013.5 | |||||||
| 21 | 04:51 | E 7 | 16.09 | Overcast | SCT150 BKN180 OVC250 | 6.7 | 2.2 | 73% | 6 | 76.02 | 1013.6 | ||||||
| 21 | 03:51 | NE 6 | 16.09 | Overcast | SCT170 BKN220 OVC250 | 7.8 | 2.2 | 68% | 76.05 | 1014.0 | |||||||
| 21 | 02:51 | Calm | 16.09 | Overcast | BKN220 OVC250 | 6.1 | 2.2 | 76% | 76.05 | 1013.8 | |||||||
| 21 | 01:51 | Calm | 16.09 | Overcast | SCT180 OVC220 | 6.1 | 2.2 | 76% | 76.05 | 1014.0 | |||||||
| 21 | 00:51 | Calm | 16.09 | Overcast | SCT180 OVC210 | 6.1 | 1.7 | 8.9 | 5.6 | 74% | 76.07 | 1014.4 | |||||
| 20 | 23:51 | E 6 | 16.09 | Overcast | SCT200 OVC250 | 6.1 | 1.7 | 74% | 76.1 | 1014.5 | |||||||
| 20 | 22:51 | NE 7 | 16.09 | Overcast | BKN200 OVC250 | 6.7 | 2.2 | 73% | 6 | 76.07 | 1014.3 | ||||||
| 20 | 21:51 | N 7 | 16.09 | Overcast | OVC210 | 7.2 | 2.2 | 71% | 6 | 76.07 | 1014.2 | ||||||
| 20 | 20:51 | N 13 | 16.09 | Overcast | OVC240 | 7.2 | 2.2 | 71% | 5 | 76.05 | 1014.1 | ||||||
| 20 | 19:51 | NE 20 | 16.09 | Overcast | OVC250 | 7.8 | 2.8 | 71% | 5 | 76.02 | 1013.7 | ||||||
| 20 | 18:51 | NE 17 | 16.09 | Overcast | OVC250 | 8.9 | 3.3 | 22.2 | 8.9 | 68% | 7 | 75.95 | 1012.6 | ||||
| 20 | 17:51 | NE 22 | 16.09 | Overcast | OVC250 | 10.6 | 3.9 | 64% | 75.9 | 1012.0 | |||||||
| 20 | 16:51 | NE 20 | 16.09 | Overcast | OVC250 | 12.8 | 4.4 | 57% | 75.82 | 1010.8 | |||||||
| 20 | 15:51 | NE 30 | 16.09 | Mostly Cloudy | BKN250 | 13.9 | 5.6 | 58% | 75.74 | 1009.9 | |||||||
| 20 | 14:51 | NE 30 G 43 | 16.09 | Mostly Cloudy | BKN250 | 18.3 | 7.2 | 49% | 75.64 | 1008.5 | |||||||
| 20 | 13:51 | NW 17 G 31 | 16.09 | Mostly Cloudy | BKN250 | 21.7 | 7.8 | 41% | 75.62 | 1008.1 | |||||||
| 20 | 12:51 | W 13 | 16.09 | Mostly Cloudy | BKN250 | 20.6 | 7.2 | 20.6 | 10.6 | 42% | 75.59 | 1007.6 | |||||
| 20 | 11:51 | W 15 | 16.09 | Mostly Cloudy | FEW200 BKN250 | 18.3 | 6.7 | 47% | 75.62 | 1008.2 | |||||||
| 20 | 10:51 | W 17 | 16.09 | Mostly Cloudy | SCT200 BKN250 | 16.7 | 6.7 | 52% | 75.62 | 1008.3 | |||||||
| 20 | 09:51 | W 22 G 35 | 16.09 | Mostly Cloudy | BKN200 BKN250 | 15 | 6.1 | 56% | 75.59 | 1008.0 | |||||||
| 20 | 08:51 | SW 20 | 16.09 | Overcast | FEW160 OVC250 | 12.2 | 5.6 | 64% | 75.59 | 1008.0 | |||||||
| 20 | 07:51 | SW 19 G 33 | 16.09 | Overcast | SCT160 OVC250 | 11.1 | 5 | 66% | 75.62 | 1008.2 | |||||||
| 20 | 06:51 | SW 20 | 16.09 | Overcast | FEW140 BKN170 OVC250 | 11.1 | 5 | 11.1 | 4.4 | 66% | 75.64 | 1008.4 | |||||
| 20 | 04:51 | SW 17 | 16.09 | Overcast | OVC180 | 9.4 | 4.4 | 71% | 7 | 75.69 | 1009.4 | ||||||
| 20 | 03:51 | SW 13 | 16.09 | Partly Cloudy | FEW150 SCT250 | 7.2 | 3.3 | 77% | 5 | 75.77 | 1010.1 | ||||||
| 20 | 02:51 | SW 9 | 16.09 | A Few Clouds | FEW150 FEW250 | 7.2 | 2.2 | 71% | 6 | 75.84 | 1011.1 | ||||||
| 20 | 01:51 | SW 7 | 16.09 | Mostly Cloudy | FEW150 BKN250 | 4.4 | 0.6 | 77% | 3 | 75.92 | 1012.4 | ||||||
| 20 | 00:51 | Calm | 16.09 | NULL | NULL | 5 | 0.6 | 8.3 | 4.4 | 73% | 76.02 | 1013.5 | |||||
| 19 | 23:51 | Calm | 16.09 | Mostly Cloudy | BKN250 | 5 | 0.6 | 73% | 76.07 | 1014.3 | |||||||
| 19 | 22:51 | Calm | 16.09 | Mostly Cloudy | BKN250 | 5 | 0 | 70% | 76.12 | 1015.2 | |||||||
| 19 | 21:51 | E 7 | 16.09 | Partly Cloudy | SCT250 | 5.6 | -0.6 | 65% | 4 | 76.2 | 1016.3 | ||||||
| 19 | 20:51 | E 7 | 16.09 | A Few Clouds | FEW250 | 5.6 | -0.6 | 65% | 4 | 76.25 | 1017.0 | ||||||
| 19 | 19:51 | E 15 | 16.09 | A Few Clouds | FEW250 | 6.7 | -0.6 | 60% | 4 | 76.3 | 1017.5 | ||||||
| 19 | 18:51 | E 11 | 16.09 | A Few Clouds | FEW250 | 8.3 | -1.1 | 16.7 | 8.3 | 52% | 7 | 76.3 | 1017.5 | ||||
| 19 | 17:51 | E 13 | 16.09 | Mostly Cloudy | BKN250 | 10 | -0.6 | 48% | 8 | 76.35 | 1018.1 | ||||||
| 19 | 16:51 | E 15 | 16.09 | Mostly Cloudy | BKN250 | 11.7 | 0.6 | 47% | 76.35 | 1018.2 | |||||||
| 19 | 15:51 | E 17 | 16.09 | Mostly Cloudy | BKN250 | 12.8 | 1.1 | 45% | 76.33 | 1017.8 | |||||||
| 19 | 14:51 | NE 19 | 16.09 | Mostly Cloudy | BKN250 | 13.3 | 1.7 | 46% | 76.33 | 1018.1 | |||||||
| 19 | 13:51 | E 7 | 16.09 | A Few Clouds | FEW250 | 16.7 | 2.8 | 40% | 76.38 | 1018.3 | |||||||
| 19 | 12:51 | E 6 | 16.09 | A Few Clouds | FEW250 | 15 | 2.2 | 15 | 2.2 | 42% | 76.4 | 1018.8 | |||||
| 19 | 11:51 | SE 6 | 16.09 | A Few Clouds | FEW250 | 13.3 | 1.7 | 46% | 76.4 | 1018.8 | |||||||
| 19 | 10:51 | E 6 | 16.09 | A Few Clouds | FEW180 FEW250 | 10.6 | 0.6 | 50% | 76.43 | 1019.2 | |||||||
| 19 | 09:51 | S 7 | 16.09 | Partly Cloudy | FEW070 SCT180 SCT250 | 8.3 | 0.6 | 59% | 7 | 76.4 | 1019.1 | ||||||
| 19 | 08:51 | S 9 | 16.09 | Partly Cloudy | FEW060 FEW120 SCT250 | 5.6 | 0 | 68% | 4 | 76.38 | 1018.7 | ||||||
| 19 | 07:51 | S 6 | 14.48 | Partly Cloudy | FEW060 FEW110 SCT250 | 2.8 | -1.1 | 76% | 76.33 | 1018.3 | |||||||
| 19 | 05:51 | SW 11 | 14.48 | Partly Cloudy | FEW070 SCT120 | 2.8 | -1.1 | 76% | 0 | 76.28 | 1017.5 | ||||||
| 19 | 04:51 | SE 7 | 14.48 | Mostly Cloudy | BKN120 | 2.2 | -1.7 | 76% | 0 | 76.25 | 1017.1 | ||||||
| 19 | 03:51 | Calm | 16.09 | Overcast | SCT120 OVC250 | 1.1 | -1.7 | 82% | 76.3 | 1017.7 | |||||||
| 19 | 02:51 | Calm | 16.09 | Overcast | SCT110 OVC250 | 2.2 | -1.7 | 76% | 76.3 | 1017.7 | |||||||
| 19 | 01:51 | Calm | 16.09 | Overcast | SCT120 BKN180 OVC250 | 2.8 | -1.7 | 73% | 76.3 | 1017.8 | |||||||
| 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) | |||||||||||||||