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. | ||||||||||||||||
| 12 | 13:51 | SW 26 G 48 | 16.09 | A Few Clouds | FEW050 | 26.1 | 12.8 | 44% | 26 | 75.97 | 1012.5 | ||||||
| 12 | 12:51 | W 24 G 35 | 16.09 | A Few Clouds | FEW050 | 25.6 | 12.8 | 25.6 | 16.7 | 45% | 26 | 75.97 | 1012.5 | ||||
| 12 | 11:51 | W 22 G 43 | 16.09 | A Few Clouds | FEW044 | 23.9 | 13.3 | 52% | 25 | 76 | 1012.7 | ||||||
| 12 | 10:51 | W 19 G 35 | 16.09 | A Few Clouds | FEW040 | 23.3 | 13.3 | 54% | 76.02 | 1013.1 | |||||||
| 12 | 09:51 | W 17 | 16.09 | A Few Clouds | FEW033 | 21.1 | 13.3 | 61% | 76 | 1012.8 | |||||||
| 12 | 08:51 | W 17 | 16.09 | Fair | CLR | 20 | 12.8 | 63% | 75.97 | 1012.6 | |||||||
| 12 | 07:51 | W 13 | 16.09 | Fair | CLR | 18.3 | 12.2 | 68% | 75.95 | 1012.1 | |||||||
| 12 | 06:51 | W 17 | 16.09 | A Few Clouds | FEW250 | 16.7 | 12.2 | 18.9 | 16.1 | 75% | 75.92 | 1011.8 | |||||
| 12 | 05:51 | SW 11 | 16.09 | A Few Clouds | FEW250 | 16.1 | 12.2 | 78% | 75.87 | 1011.0 | |||||||
| 12 | 04:51 | SW 13 | 16.09 | Fair | CLR | 16.1 | 13.3 | 84% | 75.84 | 1010.7 | |||||||
| 12 | 03:51 | SW 11 | 16.09 | Fair | CLR | 16.7 | 14.4 | 86% | 75.79 | 1010.2 | |||||||
| 12 | 02:51 | W 9 | 16.09 | A Few Clouds | FEW030 FEW250 | 17.8 | 14.4 | 81% | 75.74 | 1009.5 | |||||||
| 12 | 01:51 | W 15 | 16.09 | Partly Cloudy | FEW030 SCT250 | 18.3 | 15 | 81% | 75.77 | 1009.8 | |||||||
| 12 | 00:51 | W 11 | 16.09 | Mostly Cloudy | BKN250 | 18.9 | 15.6 | 25 | 18.9 | 81% | 75.69 | 1008.5 | 1.02 | ||||
| 11 | 21:51 | W 31 G 57 | 16.09 | Overcast | FEW017 BKN027 OVC250 | 22.8 | 20 | 84% | 75.31 | 1003.4 | 1.02 | ||||||
| 11 | 20:51 | S 11 | 12.87 | Thunderstorm | FEW017 SCT040CB BKN075 BKN130 OVC250 | 22.2 | 21.7 | 97% | 75.18 | 1001.9 | 0.79 | ||||||
| 11 | 19:51 | NE 20 | 6.44 | Thunderstorm Heavy Rain Fog/Mist | FEW020 SCT035CB BKN055 OVC130 | 21.7 | 19.4 | 87% | 75.13 | 1001.3 | 0.23 | ||||||
| 11 | 18:51 | S 19 | 16.09 | Overcast | FEW023 SCT039 BKN090 BKN150 OVC250 | 24.4 | 22.2 | 26.7 | 22.8 | 88% | 25 | 75.21 | 1002.2 | 0.1 | 0.28 | ||
| 11 | 17:51 | S 26 G 43 | 16.09 | Overcast | FEW050 SCT100 BKN150 OVC250 | 25 | 19.4 | 71% | 26 | 75.16 | 1001.7 | ||||||
| 11 | 16:51 | S 20 G 37 | 16.09 | Overcast | BKN150 OVC300 | 23.9 | 18.3 | 71% | 25 | 75.36 | 1004.2 | ||||||
| 11 | 15:51 | SE 24 G 33 | 16.09 | Overcast | FEW100 BKN150 BKN210 OVC300 | 24.4 | 19.4 | 74% | 25 | 75.21 | 1002.3 | 0.18 | |||||
| 11 | 14:51 | E 26 G 44 | 16.09 | Overcast | FEW047 SCT070 BKN100 BKN130 OVC250 | 22.8 | 20.6 | 87% | 75.29 | 1003.3 | 0.1 | ||||||
| 11 | 13:51 | SW 11 | 14.48 | Thunderstorm Light Rain | FEW012 SCT047CB BKN100 OVC130 | 23.9 | 21.7 | 88% | 24 | 75.77 | 1009.9 | 0.08 | |||||
| 11 | 12:51 | SW 20 | 16.09 | Overcast | BKN043 OVC090 | 26.7 | 20 | 27.8 | 20 | 67% | 28 | 75.77 | 1009.5 | ||||
| 11 | 11:51 | W 13 | 16.09 | Mostly Cloudy | BKN041 BKN075 BKN250 | 27.8 | 20 | 63% | 29 | 75.74 | 1009.1 | ||||||
| 11 | 10:51 | SW 15 | 16.09 | Mostly Cloudy | FEW027 SCT044 SCT150 BKN250 | 27.2 | 19.4 | 62% | 29 | 75.69 | 1008.5 | ||||||
| 11 | 09:51 | SW 20 G 28 | 16.09 | Mostly Cloudy | FEW150 BKN250 | 24.4 | 19.4 | 74% | 25 | 75.67 | 1008.2 | ||||||
| 11 | 08:51 | SW 15 G 30 | 16.09 | Partly Cloudy | FEW012 SCT250 | 22.2 | 18.9 | 82% | 75.62 | 1007.8 | |||||||
| 11 | 07:51 | SW 19 | 16.09 | A Few Clouds | FEW009 FEW250 | 21.1 | 18.9 | 87% | 75.62 | 1007.6 | |||||||
| 11 | 06:51 | SW 15 | 16.09 | Partly Cloudy | FEW008 SCT150 SCT250 | 20 | 18.3 | 20 | 18.9 | 90% | 75.57 | 1007.0 | 0.53 | ||||
| 11 | 05:51 | SW 15 | 16.09 | Mostly Cloudy | FEW010 FEW080 SCT160 BKN250 | 19.4 | 18.3 | 93% | 75.62 | 1007.6 | |||||||
| 11 | 03:51 | SW 13 | 16.09 | Mostly Cloudy | FEW010 FEW080 SCT120 BKN160 BKN250 | 18.9 | 17.8 | 93% | 75.54 | 1006.8 | 0.53 | ||||||
| 11 | 02:51 | SW 26 G 43 | 16.09 | Overcast | SCT010 BKN080 BKN120 OVC160 | 19.4 | 17.8 | 91% | 75.51 | 1006.1 | 0.03 | ||||||
| 11 | 01:51 | S 17 | 12.87 | Thunderstorm Light Rain | BKN085CB OVC110 | 19.4 | 18.3 | 93% | 75.51 | 1006.2 | 0.51 | ||||||
| 11 | 00:51 | SW 22 | 11.27 | Thunderstorm Light Rain | SCT085CB OVC120 | 20 | 17.8 | 23.3 | 19.4 | 87% | 75.51 | 1006.1 | 0.18 | 0.33 | |||
| 10 | 23:51 | S 20 | 16.09 | Overcast | FEW050 SCT100 BKN150 OVC200 | 20 | 17.8 | 87% | 75.34 | 1003.6 | |||||||
| 10 | 22:51 | SW 13 | 16.09 | Light Rain | FEW100 OVC140 | 20 | 17.8 | 87% | 75.39 | 1004.4 | 0.13 | ||||||
| 10 | 21:51 | W 31 G 63 | 14.48 | Thunderstorm Light Rain | SCT047CB BKN085 BKN110 OVC200 | 21.1 | 17.8 | 82% | 75.46 | 1005.4 | 0.03 | 0.03 | |||||
| 10 | 20:51 | W 17 | 16.09 | Light Rain | SCT055 BKN085 BKN130 BKN190 OVC250 | 22.2 | 20 | 87% | 75.49 | 1005.7 | |||||||
| 10 | 19:51 | S 15 | 16.09 | Overcast | SCT100 BKN150 BKN200 OVC300 | 22.8 | 20 | 84% | 75.46 | 1005.3 | |||||||
| 10 | 18:51 | S 13 | 16.09 | Overcast | SCT150 BKN200 OVC300 | 22.8 | 20.6 | 32.8 | 20.6 | 87% | 75.46 | 1005.7 | 1.32 | ||||
| 10 | 17:51 | S 13 | 16.09 | Overcast | FEW025 FEW090 SCT130 BKN170 OVC250 | 21.7 | 20 | 90% | 75.54 | 1006.5 | 0.1 | ||||||
| 10 | 16:51 | S 20 | 14.48 | Rain | FEW015 FEW040 SCT085 BKN130 OVC250 | 21.7 | 20.6 | 94% | 75.59 | 1007.4 | 1.22 | ||||||
| 10 | 15:50 | W 39 G 98 | 6.44 | Thunderstorm Light Rain Fog/Mist and Breezy | BKN045CB BKN150 BKN200 OVC250 | 22.8 | 20 | 84% | 75.62 | 1007.9 | |||||||
| 10 | 14:51 | SW 28 G 54 | 16.09 | Overcast | BKN037 BKN060 OVC350 | 32.2 | 22.2 | 56% | 36 | 75.41 | 1004.7 | ||||||
| 10 | 13:51 | S 24 G 43 | 16.09 | Mostly Cloudy | SCT036 BKN300 | 32.8 | 23.3 | 57% | 38 | 75.46 | 1005.5 | ||||||
| 10 | 12:51 | S 22 | 16.09 | Mostly Cloudy | BKN032 BKN300 | 31.7 | 23.3 | 31.7 | 25 | 61% | 37 | 75.46 | 1005.6 | ||||
| 10 | 11:51 | SW 19 G 35 | 16.09 | Mostly Cloudy | SCT031 BKN300 | 30.6 | 22.8 | 63% | 35 | 75.54 | 1006.6 | ||||||
| 10 | 10:51 | SW 15 G 35 | 16.09 | Mostly Cloudy | BKN032 BKN046 | 30 | 22.8 | 65% | 34 | 75.64 | 1007.6 | ||||||
| 10 | 09:51 | SW 26 G 37 | 16.09 | Mostly Cloudy | FEW028 BKN300 | 29.4 | 22.2 | 65% | 33 | 75.62 | 1007.4 | ||||||
| 10 | 08:51 | SW 19 G 35 | 16.09 | Mostly Cloudy | BKN300 | 28.3 | 22.2 | 70% | 31 | 75.62 | 1007.4 | ||||||
| 10 | 07:51 | S 15 G 33 | 16.09 | A Few Clouds | FEW050 FEW300 | 26.7 | 22.2 | 76% | 29 | 75.64 | 1007.7 | ||||||
| 10 | 06:51 | S 13 | 16.09 | Partly Cloudy | FEW050 SCT300 | 25 | 21.7 | 25 | 20 | 82% | 26 | 75.69 | 1008.4 | ||||
| 10 | 05:51 | S 6 | 16.09 | Shallow Fog | BKN049 | 22.2 | 20.6 | 91% | 75.72 | 1008.8 | |||||||
| 10 | 04:51 | Calm | 11.27 | Partly Cloudy | SCT050 | 20.6 | 19.4 | 93% | 75.72 | 1008.9 | |||||||
| 10 | 03:51 | Calm | 9.66 | Fog/Mist | FEW003 FEW045 | 20.6 | 18.9 | 90% | 75.72 | 1008.9 | |||||||
| 10 | 02:51 | Calm | 9.66 | Fog/Mist | FEW003 FEW030 | 20 | 18.9 | 93% | 75.74 | 1009.4 | |||||||
| 10 | 01:51 | E 6 | 9.66 | Fog/Mist | FEW003 FEW024 SCT039 | 20.6 | 18.9 | 90% | 75.79 | 1010.0 | |||||||
| 10 | 00:51 | NE 9 | 9.66 | Fog/Mist | FEW003 FEW036 | 20.6 | 18.9 | 30 | 20.6 | 90% | 75.87 | 1010.7 | |||||
| 09 | 23:51 | NE 9 | 16.09 | Partly Cloudy | FEW004 SCT039 SCT055 | 23.3 | 20.6 | 85% | 75.84 | 1010.4 | |||||||
| 09 | 22:51 | E 9 | 16.09 | Mostly Cloudy | SCT038 BKN049 | 26.1 | 20.6 | 72% | 28 | 75.84 | 1010.4 | ||||||
| 09 | 21:51 | W 6 | 16.09 | Partly Cloudy | SCT048 | 27.2 | 21.1 | 69% | 29 | 75.79 | 1010.0 | ||||||
| 09 | 19:51 | W 13 | 16.09 | A Few Clouds | FEW040 FEW250 | 28.9 | 21.1 | 63% | 31 | 75.74 | 1009.3 | ||||||
| 09 | 18:51 | W 9 | 16.09 | Partly Cloudy | FEW040 FEW075 SCT250 | 30 | 21.7 | 31.1 | 28.3 | 61% | 33 | 75.77 | 1009.5 | ||||
| 09 | 17:51 | W 15 | 16.09 | Mostly Cloudy | FEW040 SCT075 BKN200 BKN250 | 30.6 | 21.7 | 59% | 34 | 75.77 | 1009.7 | ||||||
| 09 | 16:51 | SW 13 | 16.09 | Mostly Cloudy | BKN045 BKN070 BKN250 | 30 | 21.7 | 61% | 33 | 75.79 | 1009.8 | ||||||
| 09 | 15:51 | W 17 G 31 | 16.09 | Mostly Cloudy | BKN040 BKN075 BKN250 | 30 | 21.1 | 59% | 33 | 75.82 | 1010.3 | ||||||
| 09 | 14:51 | W 20 G 28 | 16.09 | Mostly Cloudy | BKN038 BKN075 BKN250 | 30 | 21.7 | 61% | 33 | 75.84 | 1010.5 | ||||||
| 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) | |||||||||||||||