Weather observations for the past three days for
Chicago, Chicago-O'Hare International Airport
| Date | Time (cst) | 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. | ||||||||||||||||
| 10 | 11:51 | NW 20 | 16.09 | Mostly Cloudy | BKN250 | 7.8 | -1.1 | 7.8 | 2.2 | 54% | 5 | 75.87 | 1011.9 | ||||
| 10 | 10:51 | NW 17 | 16.09 | Mostly Cloudy | BKN250 | 7.8 | -1.7 | 51% | 5 | 75.84 | 1011.6 | ||||||
| 10 | 09:51 | NW 20 | 16.09 | Mostly Cloudy | BKN250 | 6.1 | -2.2 | 56% | 3 | 75.79 | 1010.8 | ||||||
| 10 | 08:51 | NW 15 | 16.09 | Mostly Cloudy | BKN240 | 3.9 | -1.7 | 67% | 1 | 75.77 | 1010.6 | ||||||
| 10 | 07:51 | W 13 | 16.09 | Mostly Cloudy | BKN240 | 2.8 | -1.7 | 73% | -0 | 75.74 | 1010.2 | ||||||
| 10 | 06:51 | SW 7 | 16.09 | Mostly Cloudy | BKN230 | 2.8 | -1.7 | 73% | 1 | 75.67 | 1009.4 | ||||||
| 10 | 05:51 | SW 13 | 16.09 | Mostly Cloudy | BKN220 | 2.8 | -1.7 | 3.9 | 2.2 | 73% | -0 | 75.64 | 1008.9 | ||||
| 10 | 04:51 | SW 13 | 16.09 | Mostly Cloudy | BKN200 | 2.8 | -2.2 | 70% | -0 | 75.64 | 1008.8 | ||||||
| 10 | 03:51 | SW 24 G 35 | 16.09 | Mostly Cloudy | BKN210 | 3.3 | -2.2 | 68% | -1 | 75.62 | 1008.6 | ||||||
| 10 | 02:51 | SW 20 | 16.09 | Mostly Cloudy | BKN250 | 3.3 | -2.2 | 68% | -1 | 75.64 | 1008.9 | ||||||
| 10 | 01:51 | S 19 | 16.09 | Mostly Cloudy | BKN250 | 2.8 | -2.8 | 67% | -1 | 75.69 | 1009.8 | ||||||
| 10 | 00:51 | S 20 G 31 | 16.09 | Mostly Cloudy | BKN250 | 2.8 | -2.8 | 67% | -1 | 75.77 | 1010.8 | ||||||
| 09 | 23:51 | S 20 G 33 | 16.09 | Overcast | BKN160 OVC250 | 2.8 | -2.8 | 2.8 | 2.2 | 67% | -1 | 75.84 | 1011.9 | ||||
| 09 | 22:51 | SW 19 | 16.09 | Overcast | BKN160 OVC250 | 2.2 | -3.3 | 67% | -2 | 75.9 | 1012.6 | ||||||
| 09 | 21:51 | S 17 | 16.09 | Overcast | SCT160 OVC250 | 2.2 | -3.9 | 64% | -2 | 75.87 | 1012.3 | ||||||
| 09 | 20:51 | S 22 G 33 | 16.09 | Overcast | BKN180 OVC250 | 2.8 | -4.4 | 59% | -2 | 75.95 | 1013.1 | ||||||
| 09 | 19:51 | S 13 | 16.09 | Overcast | SCT170 OVC240 | 2.8 | -5 | 57% | -0 | 76.02 | 1014.2 | ||||||
| 09 | 18:51 | S 15 | 16.09 | Overcast | SCT120 OVC250 | 2.8 | -5 | 57% | -1 | 76.05 | 1014.5 | ||||||
| 09 | 17:51 | S 9 | 16.09 | Overcast | SCT160 OVC250 | 2.8 | -6.1 | 3.3 | 0 | 52% | 1 | 76.15 | 1015.9 | ||||
| 09 | 16:51 | S 13 | 16.09 | Overcast | BKN140 OVC250 | 2.8 | -6.7 | 50% | -0 | 76.17 | 1016.1 | ||||||
| 09 | 15:51 | S 13 | 16.09 | Overcast | FEW150 OVC250 | 3.3 | -7.2 | 46% | 0 | 76.23 | 1017.0 | ||||||
| 09 | 14:51 | S 11 | 16.09 | Overcast | OVC250 | 2.8 | -7.2 | 48% | 0 | 76.25 | 1017.4 | ||||||
| 09 | 13:51 | S 15 | 16.09 | Overcast | FEW200 OVC250 | 2.2 | -8.3 | 46% | -1 | 76.28 | 1017.8 | ||||||
| 09 | 12:51 | S 15 | 16.09 | Mostly Cloudy | FEW210 BKN250 | 1.7 | -9.4 | 44% | -2 | 76.3 | 1018.2 | ||||||
| 09 | 11:51 | S 9 | 16.09 | Mostly Cloudy | BKN250 | 0 | -9.4 | 0 | -5.6 | 50% | -3 | 76.4 | 1019.5 | ||||
| 09 | 10:51 | S 11 | 16.09 | Mostly Cloudy | BKN250 | -1.1 | -9.4 | 54% | -5 | 76.5 | 1020.9 | ||||||
| 09 | 09:51 | S 9 | 16.09 | Mostly Cloudy | BKN250 | -2.8 | -9.4 | 61% | -6 | 76.58 | 1021.8 | ||||||
| 09 | 08:51 | SE 9 | 16.09 | Mostly Cloudy | BKN250 | -3.9 | -10 | 63% | -7 | 76.61 | 1022.4 | ||||||
| 09 | 07:51 | SE 13 | 16.09 | Partly Cloudy | SCT250 | -5 | -10 | 68% | -10 | 76.63 | 1022.6 | ||||||
| 09 | 06:51 | SE 11 | 16.09 | Partly Cloudy | SCT250 | -5.6 | -9.4 | 75% | -10 | 76.68 | 1023.3 | ||||||
| 09 | 05:51 | SE 9 | 16.09 | Mostly Cloudy | BKN250 | -5 | -9.4 | -3.3 | -5.6 | 72% | -9 | 76.71 | 1023.5 | ||||
| 09 | 04:51 | Calm | 16.09 | A Few Clouds | FEW060 FEW250 | -5 | -9.4 | 72% | 76.71 | 1023.8 | |||||||
| 09 | 03:51 | SE 9 | 16.09 | Partly Cloudy | FEW060 SCT240 | -4.4 | -8.9 | 71% | -8 | 76.66 | 1023.0 | ||||||
| 09 | 02:51 | SE 9 | 16.09 | Mostly Cloudy | BKN060 | -3.9 | -8.9 | 69% | -7 | 76.68 | 1023.1 | ||||||
| 09 | 01:51 | SE 9 | 16.09 | Overcast | OVC060 | -3.3 | -8.9 | 66% | -7 | 76.73 | 1024.0 | ||||||
| 09 | 00:51 | SE 9 | 16.09 | Overcast | OVC055 | -3.3 | -8.9 | 66% | -7 | 76.78 | 1024.6 | ||||||
| 08 | 23:51 | SE 15 | 16.09 | Overcast | OVC055 | -3.3 | -8.9 | -2.8 | -3.3 | 66% | -8 | 76.81 | 1025.0 | ||||
| 08 | 22:51 | SE 15 | 16.09 | Overcast | OVC055 | -3.3 | -8.9 | 66% | -8 | 76.86 | 1025.7 | ||||||
| 08 | 21:51 | SE 17 | 16.09 | Overcast | OVC060 | -3.3 | -8.9 | 66% | -8 | 76.91 | 1026.3 | ||||||
| 08 | 20:51 | SE 15 | 16.09 | Overcast | OVC060 | -3.3 | -8.3 | 69% | -8 | 76.89 | 1026.2 | ||||||
| 08 | 19:51 | SE 20 | 16.09 | Overcast | OVC060 | -2.8 | -8.3 | 66% | -8 | 76.91 | 1026.3 | ||||||
| 08 | 18:51 | SE 22 | 16.09 | Overcast | OVC060 | -2.8 | -8.3 | 66% | -9 | 76.91 | 1026.4 | ||||||
| 08 | 17:51 | E 24 | 16.09 | Mostly Cloudy | BKN060 | -2.8 | -7.8 | -1.1 | -2.8 | 69% | -9 | 76.89 | 1026.1 | ||||
| 08 | 16:51 | E 19 | 16.09 | Mostly Cloudy | FEW012 BKN060 | -2.2 | -8.3 | 63% | -7 | 76.89 | 1025.9 | ||||||
| 08 | 15:51 | E 19 | 16.09 | Mostly Cloudy | FEW012 BKN060 | -2.2 | -8.3 | 63% | -7 | 76.89 | 1025.9 | ||||||
| 08 | 14:51 | E 15 | 16.09 | Mostly Cloudy | FEW012 BKN060 | -1.1 | -8.9 | 56% | -5 | 76.89 | 1026.0 | ||||||
| 08 | 13:51 | SE 19 | 16.09 | Mostly Cloudy | FEW012 BKN065 | -1.1 | -9.4 | 54% | -6 | 76.91 | 1026.2 | ||||||
| 08 | 12:51 | SE 22 G 30 | 16.09 | Partly Cloudy | FEW012 SCT070 | -1.1 | -9.4 | 54% | -7 | 76.96 | 1026.9 | ||||||
| 08 | 11:51 | SE 15 | 16.09 | A Few Clouds | FEW012 FEW070 | -2.2 | -8.9 | -1.7 | -6.1 | 60% | -7 | 77.01 | 1027.7 | ||||
| 08 | 10:51 | SE 17 | 16.09 | A Few Clouds | FEW012 FEW070 | -2.8 | -8.9 | 63% | -8 | 77.09 | 1028.7 | ||||||
| 08 | 09:51 | SE 20 | 16.09 | A Few Clouds | FEW012 FEW070 | -3.9 | -8.9 | 69% | -10 | 77.06 | 1028.5 | ||||||
| 08 | 08:51 | SE 20 | 16.09 | A Few Clouds | FEW012 FEW060 FEW100 | -5 | -8.9 | 74% | -11 | 77.06 | 1028.4 | ||||||
| 08 | 07:51 | SE 15 | 14.48 | A Few Clouds | FEW012 FEW100 FEW160 | -5.6 | -8.3 | 82% | -11 | 77.06 | 1028.4 | ||||||
| 08 | 06:51 | SE 13 | 16.09 | Mostly Cloudy | SCT013 SCT100 BKN160 | -6.1 | -8.9 | 81% | -11 | 77.04 | 1028.1 | ||||||
| 08 | 05:51 | SE 13 | 16.09 | Partly Cloudy | FEW012 FEW100 SCT160 | -6.1 | -8.9 | -5 | -6.1 | 81% | -11 | 77.01 | 1027.7 | ||||
| 08 | 04:51 | SE 13 | 16.09 | Overcast | FEW012 BKN100 OVC140 | -5 | -7.8 | 81% | -10 | 76.96 | 1027.2 | ||||||
| 08 | 03:51 | E 15 | 16.09 | Overcast | FEW012 OVC120 | -5 | -7.8 | 81% | -10 | 76.96 | 1027.0 | ||||||
| 08 | 02:51 | E 11 | 16.09 | Overcast | SCT012 OVC110 | -5 | -7.8 | 81% | -9 | 77.06 | 1028.4 | ||||||
| 08 | 01:51 | E 13 | 16.09 | Overcast | SCT012 OVC055 | -5 | -7.8 | 81% | -10 | 77.09 | 1028.9 | ||||||
| 08 | 00:51 | E 7 | 16.09 | Overcast | SCT010 OVC048 | -5.6 | -7.8 | 85% | -9 | 77.14 | 1029.4 | ||||||
| 07 | 23:51 | E 11 | 12.87 | Overcast | FEW020 OVC050 | -5.6 | -8.3 | -5 | -6.1 | 82% | -10 | 77.09 | 1028.9 | 0.03 | |||
| 07 | 22:51 | E 11 | 2.41 | Light Snow Fog/Mist | OVC020 | -6.1 | -8.3 | 85% | -10 | 77.09 | 1028.9 | 0.03 | |||||
| 07 | 21:51 | E 11 | 16.09 | Overcast | OVC042 | -5 | -12.2 | 57% | -9 | 77.09 | 1028.8 | ||||||
| 07 | 20:51 | E 11 | 16.09 | Overcast | BKN085 OVC110 | -5 | -12.2 | 57% | -9 | 77.09 | 1028.9 | ||||||
| 07 | 19:51 | E 11 | 16.09 | Overcast | BKN100 OVC200 | -5.6 | -13.3 | 55% | -10 | 77.09 | 1029.0 | ||||||
| 07 | 18:51 | E 17 | 16.09 | Overcast | BKN120 OVC200 | -5.6 | -13.3 | 55% | -11 | 77.11 | 1029.5 | ||||||
| 07 | 17:51 | E 13 | 16.09 | Mostly Cloudy | SCT150 BKN220 BKN250 | -5.6 | -13.3 | -3.9 | -6.1 | 55% | -10 | 77.14 | 1029.9 | ||||
| 07 | 16:51 | E 9 | 16.09 | Mostly Cloudy | FEW030 FEW100 SCT130 BKN220 BKN250 | -5 | -13.9 | 50% | -9 | 77.14 | 1029.7 | ||||||
| 07 | 15:51 | Calm | 16.09 | Mostly Cloudy | FEW030 FEW100 SCT130 BKN250 | -4.4 | -20 | 29% | 77.14 | 1029.6 | |||||||
| 07 | 14:51 | Calm | 16.09 | Mostly Cloudy | FEW030 FEW090 BKN130 BKN250 | -4.4 | -21.7 | 25% | 77.17 | 1029.9 | |||||||
| 07 | 13:51 | E 6 | 16.09 | Mostly Cloudy | FEW030 BKN130 BKN250 | -4.4 | -20.6 | 27% | 77.17 | 1029.9 | |||||||
| 07 | 12:51 | Calm | 16.09 | Partly Cloudy | FEW030 FEW150 SCT250 | -5 | -18.3 | 35% | 77.24 | 1030.9 | |||||||
| Date | Time (cst) | 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) | |||||||||||||||