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. | ||||||||||||||||
| 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 | |||||||
| 19 | 00:51 | Calm | 16.09 | Overcast | FEW120 BKN180 OVC250 | 2.8 | -1.7 | 6.1 | 2.2 | 73% | 76.33 | 1018.0 | |||||
| 18 | 23:51 | Calm | 16.09 | Overcast | BKN180 OVC250 | 2.8 | -1.7 | 73% | 76.3 | 1017.9 | |||||||
| 18 | 22:51 | Calm | 16.09 | Overcast | BKN180 OVC250 | 3.3 | -1.7 | 70% | 76.3 | 1017.9 | |||||||
| 18 | 21:51 | NW 6 | 16.09 | Overcast | BKN180 OVC250 | 3.3 | -2.2 | 68% | 76.33 | 1018.1 | |||||||
| 18 | 20:51 | NW 9 | 16.09 | Overcast | BKN190 OVC250 | 3.9 | -1.7 | 67% | 2 | 76.3 | 1018.1 | ||||||
| 18 | 19:51 | W 9 | 16.09 | Overcast | OVC240 | 5 | -1.1 | 65% | 3 | 76.28 | 1017.5 | ||||||
| 18 | 18:51 | W 9 | 16.09 | Mostly Cloudy | BKN250 | 6.1 | -1.1 | 7.8 | 2.8 | 60% | 4 | 76.23 | 1016.8 | ||||
| 18 | 17:51 | W 11 | 16.09 | A Few Clouds | FEW250 | 7.8 | -1.1 | 54% | 6 | 76.12 | 1015.6 | ||||||
| 18 | 16:51 | SW 17 | 16.09 | Fair | CLR | 7.8 | -1.1 | 54% | 5 | 76.12 | 1015.4 | ||||||
| 18 | 15:51 | W 11 | 16.09 | Partly Cloudy | SCT039 | 6.7 | -1.7 | 55% | 5 | 76.12 | 1015.4 | ||||||
| 18 | 14:51 | SW 19 | 16.09 | Mostly Cloudy | BKN041 | 5.6 | -2.8 | 55% | 2 | 76.1 | 1015.2 | ||||||
| 18 | 13:51 | SW 20 | 16.09 | Overcast | FEW031 OVC043 | 4.4 | -3.3 | 58% | 1 | 76.15 | 1015.9 | ||||||
| 18 | 12:51 | SW 24 G 37 | 16.09 | A Few Clouds | FEW031 FEW055 | 2.8 | -4.4 | 2.8 | -4.4 | 59% | -2 | 76.17 | 1016.4 | ||||
| 18 | 11:51 | S 24 | 16.09 | Partly Cloudy | FEW025 SCT055 | 1.1 | -4.4 | 67% | -4 | 76.2 | 1016.7 | ||||||
| 18 | 10:51 | S 22 G 39 | 16.09 | Overcast | FEW032 OVC060 | -1.1 | -6.1 | 69% | -7 | 76.25 | 1017.3 | ||||||
| 18 | 09:51 | S 19 G 35 | 16.09 | Overcast | BKN033 OVC060 | -2.8 | -6.7 | 75% | -8 | 76.25 | 1017.4 | ||||||
| 18 | 08:51 | S 24 G 37 | 6.44 | Light Snow | BKN043 OVC055 | -3.3 | -7.2 | 75% | -10 | 76.25 | 1017.6 | ||||||
| 18 | 07:51 | S 26 G 35 | 16.09 | Light Snow | FEW015 BKN041 OVC060 | -3.9 | -7.2 | 78% | -11 | 76.25 | 1017.6 | ||||||
| 18 | 06:51 | S 20 G 43 | 16.09 | Overcast | OVC014 | -4.4 | -7.2 | -4.4 | -5 | 81% | -10 | 76.25 | 1017.6 | 0.03 | |||
| 18 | 05:51 | S 17 | 11.27 | Light Snow | BKN015 OVC039 | -4.4 | -7.2 | 81% | -10 | 76.28 | 1017.9 | ||||||
| 18 | 04:51 | S 22 G 33 | 11.27 | Light Snow | BKN015 BKN033 OVC042 | -4.4 | -7.2 | 81% | -11 | 76.3 | 1018.2 | ||||||
| 18 | 03:51 | S 19 | 6.44 | Light Snow Fog/Mist | FEW015 BKN037 OVC060 | -5 | -7.2 | 85% | -11 | 76.35 | 1018.7 | 0.03 | |||||
| 18 | 02:51 | S 15 | 9.66 | Light Snow Fog/Mist | SCT013 BKN049 OVC070 | -5 | -7.2 | 85% | -10 | 76.4 | 1019.6 | 0.03 | |||||
| 18 | 01:51 | S 9 | 3.22 | Light Snow Fog/Mist | FEW016 OVC028 | -5 | -7.2 | 85% | -9 | 76.48 | 1020.4 | ||||||
| 18 | 00:51 | S 17 | 4.83 | Light Snow | OVC030 | -5 | -8.3 | -4.4 | -5.6 | 78% | -10 | 76.53 | 1021.1 | ||||
| 17 | 23:51 | S 13 | 16.09 | Overcast | BKN060 OVC075 | -4.4 | -11.1 | 60% | -9 | 76.56 | 1021.7 | ||||||
| 17 | 22:51 | S 17 | 16.09 | Overcast | BKN070 OVC160 | -5 | -12.2 | 57% | -10 | 76.61 | 1022.4 | ||||||
| 17 | 21:51 | S 9 | 16.09 | Overcast | OVC095 | -5 | -12.8 | 55% | -9 | 76.61 | 1022.4 | ||||||
| 17 | 20:51 | SW 11 | 16.09 | Overcast | SCT095 BKN130 BKN200 OVC250 | -5.6 | -13.9 | 52% | -10 | 76.61 | 1022.4 | ||||||
| 17 | 19:51 | SW 19 | 16.09 | Overcast | BKN110 OVC250 | -5.6 | -14.4 | 50% | -12 | 76.63 | 1022.9 | ||||||
| 17 | 18:51 | SW 17 | 16.09 | Overcast | BKN120 OVC250 | -5.6 | -15.6 | -4.4 | -6.1 | 46% | -11 | 76.63 | 1022.8 | ||||
| 17 | 17:51 | S 17 | 16.09 | Overcast | OVC250 | -5.6 | -15.6 | 46% | -11 | 76.63 | 1022.8 | ||||||
| 17 | 16:51 | SW 9 G 28 | 16.09 | Overcast | OVC250 | -5.6 | -16.1 | 44% | -9 | 76.58 | 1022.1 | ||||||
| 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) | |||||||||||||||