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. | ||||||||||||||||
| 19 | 06:51 | SW 11 | 16.09 | A Few Clouds | FEW100 | 2.8 | -2.8 | 4.4 | 2.2 | 67% | 0 | 76.43 | 1019.3 | ||||
| 19 | 05:51 | SW 9 | 16.09 | Fair | CLR | 2.2 | -2.8 | 70% | -0 | 76.4 | 1019.0 | ||||||
| 19 | 04:51 | SW 11 | 16.09 | Fair | CLR | 2.8 | -3.3 | 65% | 0 | 76.4 | 1019.1 | ||||||
| 19 | 03:51 | SW 9 | 16.09 | Fair | CLR | 2.8 | -2.8 | 67% | 1 | 76.4 | 1019.0 | ||||||
| 19 | 02:51 | SW 11 | 16.09 | Fair | CLR | 3.3 | -3.3 | 62% | 1 | 76.38 | 1018.6 | ||||||
| 19 | 01:51 | SW 9 | 16.09 | Fair | CLR | 3.9 | -3.3 | 60% | 2 | 76.38 | 1018.5 | ||||||
| 19 | 00:51 | W 9 | 16.09 | Fair | CLR | 4.4 | -3.3 | 7.8 | 4.4 | 58% | 2 | 76.38 | 1018.5 | ||||
| 18 | 23:51 | W 9 | 16.09 | Fair | CLR | 5.6 | -4.4 | 49% | 4 | 76.35 | 1018.3 | ||||||
| 18 | 22:51 | W 11 | 16.09 | Fair | CLR | 5.6 | -3.9 | 51% | 3 | 76.35 | 1018.3 | ||||||
| 18 | 21:51 | W 17 | 16.09 | Fair | CLR | 6.1 | -3.9 | 49% | 3 | 76.33 | 1018.0 | ||||||
| 18 | 20:51 | W 22 G 37 | 16.09 | A Few Clouds | FEW050 | 6.7 | -4.4 | 45% | 3 | 76.28 | 1017.2 | ||||||
| 18 | 19:51 | W 22 G 48 | 16.09 | A Few Clouds | FEW050 FEW250 | 7.2 | -3.9 | 46% | 4 | 76.2 | 1016.3 | ||||||
| 18 | 18:51 | W 39 G 59 | 16.09 | Partly Cloudy and Breezy | SCT050 SCT250 | 7.8 | -5 | 10.6 | 7.8 | 40% | 3 | 76.15 | 1015.5 | ||||
| 18 | 17:51 | W 31 G 52 | 16.09 | A Few Clouds | FEW050 FEW250 | 8.9 | -3.3 | 42% | 5 | 76.1 | 1014.7 | ||||||
| 18 | 16:51 | W 35 G 59 | 16.09 | Partly Cloudy and Breezy | SCT047 SCT250 | 9.4 | -2.2 | 44% | 6 | 76.02 | 1013.6 | ||||||
| 18 | 15:51 | W 35 G 50 | 16.09 | Mostly Cloudy and Breezy | BKN048 BKN250 | 9.4 | -1.7 | 46% | 6 | 75.97 | 1013.0 | ||||||
| 18 | 14:51 | W 35 G 52 | 16.09 | Mostly Cloudy and Breezy | BKN046 BKN250 | 9.4 | -1.7 | 46% | 6 | 75.97 | 1012.8 | ||||||
| 18 | 13:51 | W 24 G 50 | 16.09 | A Few Clouds | FEW039 FEW250 | 9.4 | -1.1 | 48% | 7 | 75.97 | 1012.7 | ||||||
| 18 | 12:51 | W 26 G 48 | 16.09 | Partly Cloudy | SCT034 SCT250 | 8.9 | -1.1 | 8.9 | 6.7 | 50% | 6 | 75.92 | 1012.1 | ||||
| 18 | 11:51 | W 28 G 41 | 16.09 | Partly Cloudy | SCT029 SCT250 | 7.8 | -0.6 | 56% | 4 | 75.87 | 1011.6 | ||||||
| 18 | 10:51 | W 24 G 44 | 16.09 | Mostly Cloudy | SCT026 BKN250 | 7.2 | 0 | 61% | 4 | 75.84 | 1011.1 | ||||||
| 18 | 09:51 | W 24 G 35 | 16.09 | Mostly Cloudy | FEW024 SCT120 SCT220 BKN250 | 6.7 | 0.6 | 65% | 3 | 75.74 | 1009.7 | ||||||
| 18 | 08:51 | W 26 G 46 | 16.09 | Overcast | SCT024 SCT100 BKN210 OVC250 | 7.2 | 1.7 | 68% | 4 | 75.69 | 1009.0 | ||||||
| 18 | 07:51 | W 26 G 41 | 16.09 | Overcast | SCT024 SCT070 SCT130 OVC220 | 7.8 | 2.2 | 68% | 4 | 75.59 | 1007.7 | ||||||
| 18 | 06:51 | W 26 G 41 | 16.09 | Overcast | BKN017 OVC050 | 8.3 | 4.4 | 17.2 | 8.3 | 77% | 5 | 75.51 | 1006.6 | 0.28 | |||
| 18 | 05:51 | W 26 G 41 | 16.09 | Overcast | OVC011 | 9.4 | 6.7 | 83% | 6 | 75.39 | 1004.9 | ||||||
| 18 | 04:51 | W 26 G 39 | 16.09 | Overcast | OVC009 | 10.6 | 8.3 | 86% | 75.34 | 1003.9 | |||||||
| 18 | 03:51 | W 24 G 39 | 16.09 | Overcast | BKN009 OVC036 | 13.3 | 11.7 | 90% | 75.26 | 1003.0 | 0.28 | ||||||
| 18 | 02:51 | SW 31 G 44 | 16.09 | Overcast | FEW008 BKN016 OVC120 | 16.1 | 14.4 | 90% | 75.16 | 1001.7 | 0.08 | ||||||
| 18 | 01:51 | SW 13 | 8.05 | Rain Fog/Mist | BKN075 OVC090 | 16.7 | 15 | 90% | 75.13 | 1001.3 | 0.2 | ||||||
| 18 | 00:51 | SW 30 G 46 | 16.09 | Light Rain | FEW070 OVC100 | 17.2 | 15 | 25.6 | 16.7 | 87% | 75.26 | 1002.9 | 1.27 | ||||
| 17 | 23:51 | SW 22 G 39 | 16.09 | Light Rain | SCT070 OVC130 | 16.7 | 15 | 90% | 75.16 | 1001.7 | 0.3 | ||||||
| 17 | 22:51 | SW 24 G 43 | 8.05 | Thunderstorm Rain Fog/Mist | FEW040CB BKN080 OVC150 | 17.2 | 15.6 | 90% | 75.36 | 1004.2 | 0.48 | ||||||
| 17 | 21:51 | SW 24 G 76 | 4.83 | Thunderstorm Heavy Rain Fog/Mist | BKN043CB BKN060 OVC100 | 18.3 | 15.6 | 84% | 75.34 | 1004.2 | 0.46 | 0.48 | |||||
| 17 | 20:51 | S 17 | 12.87 | Thunderstorm Light Rain | BKN049CB BKN070 BKN100 OVC130 | 23.3 | 18.3 | 74% | 75.23 | 1002.7 | 0.03 | ||||||
| 17 | 19:51 | S 31 G 52 | 16.09 | Overcast | SCT055 BKN150 OVC250 | 25 | 17.2 | 62% | 26 | 75.18 | 1001.9 | ||||||
| 17 | 18:51 | S 33 G 52 | 16.09 | Overcast and Breezy | FEW055 SCT150 OVC250 | 25.6 | 16.7 | 27.2 | 25 | 58% | 26 | 75.21 | 1002.5 | ||||
| 17 | 17:51 | S 37 G 54 | 16.09 | Overcast and Breezy | SCT055 OVC250 | 26.1 | 16.1 | 54% | 27 | 75.31 | 1003.6 | ||||||
| 17 | 16:51 | S 37 G 63 | 16.09 | Overcast and Breezy | SCT055 OVC250 | 26.7 | 15.6 | 51% | 27 | 75.31 | 1003.7 | ||||||
| 17 | 15:51 | S 22 G 52 | 16.09 | Overcast | SCT047 OVC250 | 26.7 | 15.6 | 51% | 27 | 75.46 | 1005.8 | ||||||
| 17 | 14:51 | S 33 G 52 | 16.09 | Mostly Cloudy and Breezy | SCT047 BKN250 | 25.6 | 16.1 | 56% | 26 | 75.51 | 1006.7 | ||||||
| 17 | 13:51 | S 26 G 50 | 16.09 | Mostly Cloudy | FEW038 BKN055 BKN250 | 25 | 16.7 | 60% | 26 | 75.72 | 1009.3 | ||||||
| 17 | 12:51 | S 22 G 41 | 16.09 | Mostly Cloudy | FEW035 FEW060 BKN250 | 25 | 16.1 | 25 | 10 | 58% | 26 | 75.79 | 1010.1 | ||||
| 17 | 11:51 | S 26 G 41 | 16.09 | Mostly Cloudy | BKN250 | 22.8 | 16.1 | 66% | 75.84 | 1010.9 | |||||||
| 17 | 10:51 | S 13 | 16.09 | Mostly Cloudy | BKN250 | 22.2 | 15 | 64% | 75.92 | 1011.9 | |||||||
| 17 | 09:51 | SE 17 | 16.09 | Mostly Cloudy | BKN250 | 20 | 13.3 | 65% | 75.95 | 1012.3 | |||||||
| 17 | 08:51 | SE 17 | 11.27 | Mostly Cloudy | BKN250 | 16.7 | 12.2 | 75% | 75.97 | 1012.7 | |||||||
| 17 | 07:51 | SE 7 | 6.44 | Fog/Mist | BKN250 | 13.3 | 11.1 | 87% | 75.97 | 1012.9 | |||||||
| 17 | 06:51 | SE 7 | 3.22 | Fog/Mist | FEW002 FEW250 | 10 | 10 | 10 | 9.4 | 100% | 9 | 76 | 1013.1 | ||||
| 17 | 05:51 | SE 7 | 0.80 | Fog | BKN000 | 10 | 9.4 | 96% | 9 | 75.97 | 1012.8 | ||||||
| 17 | 04:51 | E 7 | 0.21 | Fog | VV002 | 10 | 9.4 | 96% | 9 | 75.97 | 1012.8 | ||||||
| 17 | 03:51 | SE 6 | 0.80 | Fog | BKN002 | 9.4 | 8.9 | 97% | 75.97 | 1012.9 | |||||||
| 17 | 02:51 | E 7 | 0.80 | Fog | BKN002 | 9.4 | 9.4 | 100% | 9 | 76 | 1013.3 | ||||||
| 17 | 01:51 | E 6 | 0.21 | Fog | VV001 | 9.4 | 9.4 | 100% | 76.05 | 1013.7 | |||||||
| 17 | 00:51 | E 7 | 0.40 | Fog | OVC002 | 9.4 | 8.9 | 15 | 9.4 | 97% | 9 | 76.05 | 1013.8 | ||||
| 16 | 23:51 | E 9 | 1.61 | Fog/Mist | BKN005 | 10 | 9.4 | 96% | 9 | 76.07 | 1014.0 | ||||||
| 16 | 22:51 | E 7 | 14.48 | Partly Cloudy | SCT005 | 10.6 | 9.4 | 92% | 76.05 | 1013.9 | |||||||
| 16 | 21:51 | E 9 | 16.09 | A Few Clouds | FEW005 | 10.6 | 9.4 | 92% | 76.02 | 1013.5 | |||||||
| 16 | 20:51 | E 11 | 16.09 | A Few Clouds | FEW005 | 11.7 | 9.4 | 86% | 75.97 | 1012.7 | |||||||
| 16 | 19:51 | NE 11 | 16.09 | A Few Clouds | FEW005 FEW045 | 12.2 | 10.6 | 90% | 75.92 | 1012.1 | |||||||
| 16 | 18:51 | E 11 | 16.09 | Partly Cloudy | FEW005 SCT045 | 15 | 11.7 | 23.3 | 15 | 81% | 75.87 | 1011.5 | |||||
| 16 | 17:51 | NE 20 | 16.09 | Mostly Cloudy | BKN047 | 17.8 | 12.8 | 73% | 75.82 | 1010.7 | |||||||
| 16 | 16:51 | NE 15 | 16.09 | Mostly Cloudy | BKN045 | 23.3 | 11.7 | 48% | 75.77 | 1009.9 | |||||||
| 16 | 15:51 | W 22 | 16.09 | Mostly Cloudy | BKN043TCU BKN070 | 21.7 | 12.2 | 55% | 75.72 | 1009.3 | |||||||
| 16 | 14:51 | W 19 G 30 | 16.09 | Mostly Cloudy | BKN045TCU BKN060 | 22.2 | 13.3 | 57% | 75.69 | 1009.0 | |||||||
| 16 | 13:51 | W 24 G 37 | 16.09 | Mostly Cloudy | SCT031 SCT050 BKN080 | 21.7 | 13.3 | 59% | 75.67 | 1008.6 | |||||||
| 16 | 12:51 | W 19 G 30 | 16.09 | Mostly Cloudy | FEW027 SCT042 BKN055 | 21.1 | 15.6 | 21.1 | 15.6 | 71% | 75.64 | 1008.2 | 0.18 | ||||
| 16 | 11:51 | SW 20 G 37 | 16.09 | Mostly Cloudy | BKN017 BKN042TCU | 19.4 | 15.6 | 79% | 75.62 | 1008.0 | |||||||
| 16 | 10:51 | SW 19 G 35 | 16.09 | Mostly Cloudy | FEW016 SCT024 BKN049 | 18.3 | 16.1 | 87% | 75.59 | 1007.6 | 0.18 | ||||||
| 16 | 09:51 | SW 17 G 35 | 16.09 | Mostly Cloudy | SCT016 BKN043 | 18.9 | 15.6 | 81% | 75.54 | 1006.8 | |||||||
| 16 | 08:51 | SW 15 | 16.09 | Overcast | OVC013 | 17.2 | 15 | 87% | 75.51 | 1006.5 | |||||||
| 16 | 07:51 | SW 17 | 16.09 | Overcast | OVC011 | 16.1 | 14.4 | 90% | 75.54 | 1006.6 | |||||||
| 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) | |||||||||||||||