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. | ||||||||||||||||
| 15 | 19:51 | SE 9 | 16.09 | Fair | CLR | 6.1 | -1.7 | 58% | 4 | 76.02 | 1013.9 | ||||||
| 15 | 18:51 | Calm | 16.09 | Fair | CLR | 8.3 | -1.7 | 50% | 76 | 1013.6 | |||||||
| 15 | 17:51 | NW 9 | 16.09 | A Few Clouds | FEW250 | 11.7 | -1.7 | 15.6 | 11.7 | 40% | 75.95 | 1013.1 | |||||
| 15 | 16:51 | NW 11 | 16.09 | A Few Clouds | FEW250 | 13.9 | -2.8 | 32% | 75.92 | 1012.3 | |||||||
| 15 | 15:51 | W 13 | 16.09 | A Few Clouds | FEW250 | 15 | -1.7 | 32% | 75.87 | 1011.6 | |||||||
| 15 | 14:51 | NW 13 | 16.09 | Fair | CLR | 15.6 | -1.1 | 32% | 75.84 | 1011.4 | |||||||
| 15 | 13:51 | Vrbl 6 | 16.09 | Fair | CLR | 15 | 0.6 | 38% | 75.87 | 1011.7 | |||||||
| 15 | 12:51 | W 9 | 16.09 | Fair | CLR | 13.3 | 1.7 | 46% | 75.9 | 1012.0 | |||||||
| 15 | 11:51 | NW 15 | 16.09 | Fair | CLR | 12.8 | 3.3 | 12.8 | -0.6 | 53% | 75.95 | 1012.7 | |||||
| 15 | 10:51 | W 17 | 14.48 | Fair | CLR | 11.1 | 4.4 | 64% | 75.95 | 1012.9 | |||||||
| 15 | 09:51 | W 11 | 14.48 | A Few Clouds | FEW110 | 8.3 | 3.3 | 71% | 7 | 75.97 | 1013.2 | ||||||
| 15 | 08:51 | W 13 | 12.87 | A Few Clouds | FEW120 FEW250 | 5 | 0.6 | 73% | 2 | 75.97 | 1013.4 | ||||||
| 15 | 07:51 | SW 7 | 9.66 | A Few Clouds with Haze | FEW120 | 2.2 | -1.1 | 79% | 0 | 76 | 1013.8 | ||||||
| 15 | 06:51 | SW 7 | 16.09 | Partly Cloudy | SCT120 SCT250 | 0.6 | -1.7 | 85% | -1 | 76 | 1013.5 | ||||||
| 15 | 05:51 | SW 9 | 16.09 | A Few Clouds | FEW120 | -0.6 | -2.2 | 1.7 | -1.1 | 89% | -3 | 76 | 1013.6 | ||||
| 15 | 04:51 | SW 9 | 16.09 | A Few Clouds | FEW120 | -0.6 | -2.2 | 89% | -3 | 76 | 1013.6 | ||||||
| 15 | 03:51 | W 11 | 16.09 | Fair | CLR | -1.1 | -2.8 | 88% | -5 | 75.97 | 1013.4 | ||||||
| 15 | 02:51 | SW 9 | 16.09 | Partly Cloudy | SCT250 | -0.6 | -2.2 | 89% | -3 | 75.97 | 1013.3 | ||||||
| 15 | 01:51 | SW 11 | 16.09 | Partly Cloudy | SCT250 | 0 | -2.2 | 85% | -3 | 76 | 1013.4 | ||||||
| 15 | 00:51 | SW 9 | 16.09 | Overcast | FEW100 OVC250 | 1.1 | -1.7 | 82% | -1 | 76 | 1013.7 | ||||||
| 14 | 23:51 | SW 6 | 16.09 | Overcast | FEW230 OVC250 | 1.7 | -1.1 | 7.8 | 1.1 | 82% | 76.05 | 1014.1 | |||||
| 14 | 22:51 | Calm | 16.09 | Overcast | SCT250 OVC300 | 2.2 | -1.1 | 79% | 76.07 | 1014.6 | |||||||
| 14 | 21:51 | SW 7 | 16.09 | Mostly Cloudy | BKN240 | 2.8 | -0.6 | 79% | 1 | 76.1 | 1015.1 | ||||||
| 14 | 20:51 | SW 9 | 16.09 | Overcast | OVC240 | 3.3 | -0.6 | 76% | 1 | 76.1 | 1014.9 | ||||||
| 14 | 19:51 | SW 7 | 16.09 | Overcast | OVC210 | 5.6 | -0.6 | 65% | 4 | 76.1 | 1015.0 | ||||||
| 14 | 18:51 | SW 9 | 16.09 | Overcast | OVC220 | 6.1 | 0 | 65% | 4 | 76.1 | 1015.0 | ||||||
| 14 | 17:51 | S 9 | 16.09 | Overcast | OVC230 | 7.8 | -0.6 | 10.6 | 7.2 | 56% | 6 | 76.07 | 1014.6 | ||||
| 14 | 16:51 | SE 13 | 14.48 | Overcast | BKN220 OVC250 | 8.9 | -0.6 | 52% | 7 | 76.05 | 1014.4 | ||||||
| 14 | 15:51 | SE 6 | 14.48 | Overcast | BKN220 OVC250 | 10 | -0.6 | 48% | 76.07 | 1014.4 | |||||||
| 14 | 14:51 | W 6 | 14.48 | Mostly Cloudy | SCT230 BKN250 | 10.6 | -1.1 | 45% | 76.12 | 1015.2 | |||||||
| 14 | 13:51 | SW 6 | 14.48 | Mostly Cloudy | BKN240 | 10.6 | -1.1 | 45% | 76.12 | 1015.0 | |||||||
| 14 | 12:51 | Calm | 14.48 | Mostly Cloudy | BKN240 | 9.4 | -0.6 | 50% | 76.15 | 1015.4 | |||||||
| 14 | 11:51 | Calm | 16.09 | Overcast | OVC240 | 7.2 | -1.1 | 7.2 | -1.7 | 56% | 76.23 | 1016.4 | |||||
| 14 | 10:51 | Calm | 16.09 | Overcast | OVC230 | 5.6 | -1.1 | 62% | 76.25 | 1016.9 | |||||||
| 14 | 09:51 | SW 7 | 16.09 | Overcast | OVC240 | 3.9 | -1.7 | 67% | 2 | 76.28 | 1017.4 | ||||||
| 14 | 08:51 | Calm | 16.09 | Overcast | OVC240 | 1.7 | -2.2 | 76% | 76.3 | 1017.8 | |||||||
| 14 | 07:51 | Calm | 16.09 | Mostly Cloudy | BKN250 | 0 | -2.8 | 82% | 76.3 | 1017.7 | |||||||
| 14 | 06:51 | Calm | 16.09 | Mostly Cloudy | BKN250 | -1.7 | -4.4 | 82% | 76.3 | 1017.6 | |||||||
| 14 | 05:51 | SW 6 | 16.09 | Mostly Cloudy | BKN250 | 1.1 | -2.8 | 4.4 | 0.6 | 76% | 76.28 | 1017.4 | |||||
| 14 | 04:51 | SW 6 | 16.09 | Fair | CLR | 1.1 | -2.8 | 76% | 76.28 | 1017.2 | |||||||
| 14 | 03:51 | SW 6 | 16.09 | Fair | CLR | 1.7 | -2.8 | 72% | 76.25 | 1016.7 | |||||||
| 14 | 02:51 | S 7 | 16.09 | Fair | CLR | 2.2 | -2.8 | 70% | 0 | 76.25 | 1016.9 | ||||||
| 14 | 01:51 | SW 7 | 16.09 | Fair | CLR | 2.8 | -2.8 | 67% | 1 | 76.3 | 1017.7 | ||||||
| 14 | 00:51 | SW 9 | 16.09 | Fair | CLR | 3.9 | -2.2 | 65% | 2 | 76.33 | 1018.0 | ||||||
| 13 | 23:51 | SW 13 | 16.09 | Fair | CLR | 4.4 | -2.2 | 8.9 | 4.4 | 63% | 2 | 76.35 | 1018.2 | ||||
| 13 | 22:51 | SW 13 | 16.09 | Fair | CLR | 5.6 | -2.2 | 58% | 3 | 76.35 | 1018.3 | ||||||
| 13 | 21:51 | SW 13 | 16.09 | Fair | CLR | 6.1 | -2.8 | 53% | 4 | 76.35 | 1018.4 | ||||||
| 13 | 20:51 | SW 9 | 16.09 | Fair | CLR | 6.1 | -2.8 | 53% | 4 | 76.33 | 1018.1 | ||||||
| 13 | 19:51 | SW 11 | 16.09 | A Few Clouds | FEW250 | 6.7 | -2.8 | 51% | 5 | 76.3 | 1017.9 | ||||||
| 13 | 18:51 | S 7 | 16.09 | A Few Clouds | FEW250 | 7.8 | -3.3 | 46% | 7 | 76.33 | 1018.2 | ||||||
| 13 | 17:51 | SW 7 | 16.09 | A Few Clouds | FEW075 FEW250 | 8.9 | -3.3 | 12.2 | 8.9 | 42% | 8 | 76.33 | 1018.0 | ||||
| 13 | 16:51 | SW 9 | 16.09 | A Few Clouds | FEW080 FEW250 | 11.1 | -3.3 | 37% | 76.3 | 1017.9 | |||||||
| 13 | 15:51 | SW 26 G 37 | 16.09 | A Few Clouds | FEW085 | 12.2 | -3.3 | 34% | 76.3 | 1017.8 | |||||||
| 13 | 14:51 | SW 24 G 41 | 16.09 | Partly Cloudy | SCT085 | 11.7 | -3.3 | 35% | 76.35 | 1018.2 | |||||||
| 13 | 13:51 | SW 26 G 41 | 16.09 | A Few Clouds | FEW250 | 11.1 | -2.8 | 38% | 76.38 | 1018.7 | |||||||
| 13 | 12:51 | SW 26 G 39 | 16.09 | A Few Clouds | FEW250 | 10 | -1.7 | 44% | 7 | 76.43 | 1019.3 | ||||||
| 13 | 11:51 | SW 24 G 43 | 16.09 | A Few Clouds | FEW250 | 8.9 | -2.2 | 8.9 | -3.3 | 46% | 6 | 76.48 | 1020.2 | ||||
| 13 | 10:51 | SW 20 G 33 | 16.09 | A Few Clouds | FEW250 | 7.8 | -2.2 | 50% | 5 | 76.56 | 1021.3 | ||||||
| 13 | 09:51 | S 20 | 16.09 | A Few Clouds | FEW250 | 5.6 | -2.2 | 58% | 2 | 76.61 | 1022.0 | ||||||
| 13 | 08:51 | S 11 | 16.09 | A Few Clouds | FEW250 | 1.7 | -2.8 | 72% | -1 | 76.66 | 1022.8 | ||||||
| 13 | 07:51 | S 6 | 14.48 | Fair | CLR | -1.7 | -5 | 78% | 76.68 | 1023.1 | |||||||
| 13 | 06:51 | S 9 | 16.09 | Fair | CLR | -3.3 | -5.6 | 84% | -7 | 76.68 | 1023.1 | ||||||
| 13 | 05:51 | SE 7 | 16.09 | Fair | CLR | -3.3 | -5.6 | -2.2 | -3.9 | 84% | -6 | 76.68 | 1023.3 | ||||
| 13 | 04:51 | SE 6 | 14.48 | Fair | CLR | -3.3 | -5.6 | 84% | 76.68 | 1023.1 | |||||||
| 13 | 03:51 | S 6 | 16.09 | Fair | CLR | -3.3 | -5 | 88% | 76.71 | 1023.5 | |||||||
| 13 | 02:51 | Calm | 16.09 | Fair | CLR | -3.3 | -5 | 88% | 76.76 | 1023.9 | |||||||
| 13 | 01:51 | Calm | 16.09 | A Few Clouds | FEW080 | -3.3 | -5 | 88% | 76.78 | 1024.4 | |||||||
| 13 | 00:51 | Calm | 16.09 | A Few Clouds | FEW080 FEW200 | -3.9 | -5.6 | 88% | 76.81 | 1024.8 | |||||||
| 12 | 23:51 | Calm | 16.09 | Partly Cloudy | SCT200 | -2.2 | -4.4 | 0.6 | -2.2 | 85% | 76.81 | 1024.8 | |||||
| 12 | 22:51 | SE 6 | 16.09 | Partly Cloudy | SCT190 | -1.7 | -3.9 | 85% | 76.81 | 1024.8 | |||||||
| 12 | 21:51 | SE 6 | 16.09 | Mostly Cloudy | FEW080 BKN220 | -1.7 | -4.4 | 82% | 76.81 | 1024.7 | |||||||
| 12 | 20:51 | E 9 | 16.09 | Mostly Cloudy | BKN080 | -1.7 | -3.9 | 85% | -5 | 76.78 | 1024.5 | ||||||
| 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) | |||||||||||||||