Weather observations for the past three days for
Chicago, Chicago-O'Hare International Airport
| Date | Time (cdt) | Wind (mph) | Vis. (mi.) | Weather | Sky Cond. | Temperature (ºF) | Relative Humidity | Wind Chill (°F) | Heat Index (°F) | Pressure | Precipitation (in) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Air | Dwpt | 6 hour | altimeter (in) | sea level (mb) | 1 hr | 3 hr | 6 hr | ||||||||||
| Max. | Min. | ||||||||||||||||
| 27 | 14:51 | NE 12 | 10.00 | A Few Clouds | FEW060 FEW160 FEW250 | 82 | 55 | 40% | 81 | 30 | 1015.4 | ||||||
| 27 | 13:51 | NE 10 | 10.00 | Mostly Cloudy | SCT160 BKN300 | 80.1 | 55.9 | 44% | 80 | 30 | 1015.7 | ||||||
| 27 | 12:51 | N 12 | 10.00 | Partly Cloudy | FEW180 SCT300 | 78.1 | 55.9 | 81 | 66.9 | 47% | 79 | 30.01 | 1015.8 | ||||
| 27 | 11:51 | NE 14 | 10.00 | A Few Clouds | FEW150 FEW300 | 80.1 | 57 | 45% | 80 | 30.01 | 1015.7 | ||||||
| 27 | 10:51 | NE 10 | 10.00 | A Few Clouds | FEW150 FEW300 | 80.1 | 57 | 45% | 80 | 30 | 1015.4 | ||||||
| 27 | 09:51 | Calm | 10.00 | Partly Cloudy | FEW170 SCT300 | 79 | 52 | 39% | 79 | 30 | 1015.4 | ||||||
| 27 | 08:51 | S 3 | 10.00 | Partly Cloudy | FEW180 SCT300 | 75 | 54 | 48% | 78 | 30 | 1015.4 | ||||||
| 27 | 06:51 | Calm | 10.00 | Partly Cloudy | FEW230 SCT300 | 66.9 | 55 | 66.9 | 60.1 | 66% | 29.98 | 1014.7 | |||||
| 27 | 05:51 | Calm | 10.00 | Partly Cloudy | SCT250 | 61 | 52 | 72% | 29.97 | 1014.4 | |||||||
| 27 | 04:51 | Calm | 10.00 | A Few Clouds | FEW250 | 62.1 | 52 | 70% | 29.97 | 1014.3 | |||||||
| 27 | 02:51 | Calm | 10.00 | A Few Clouds | FEW250 | 62.1 | 52 | 70% | 29.96 | 1014.2 | |||||||
| 27 | 01:51 | Calm | 10.00 | A Few Clouds | FEW250 | 64 | 52 | 65% | 29.97 | 1014.4 | |||||||
| 27 | 00:51 | Calm | 9.00 | A Few Clouds | FEW250 | 64.9 | 53.1 | 82 | 64.9 | 66% | 29.97 | 1014.4 | |||||
| 26 | 23:51 | Calm | 10.00 | A Few Clouds | FEW250 | 68 | 52 | 57% | 29.98 | 1014.7 | |||||||
| 26 | 22:51 | SE 3 | 10.00 | A Few Clouds | FEW250 | 70 | 52 | 53% | 29.98 | 1014.6 | |||||||
| 26 | 21:51 | SE 3 | 10.00 | A Few Clouds | FEW250 | 73 | 48.9 | 43% | 29.98 | 1014.6 | |||||||
| 26 | 20:51 | SE 6 | 10.00 | A Few Clouds | FEW200 FEW250 | 75.9 | 48.9 | 39% | 78 | 29.96 | 1014.1 | ||||||
| 26 | 19:51 | S 3 | 10.00 | Mostly Cloudy | FEW200 BKN250 | 80.1 | 46.9 | 31% | 79 | 29.95 | 1013.8 | ||||||
| 26 | 18:51 | S 7 | 10.00 | Mostly Cloudy | FEW200 BKN250 | 82 | 46 | 84 | 81 | 28% | 80 | 29.96 | 1014.0 | ||||
| 26 | 17:51 | SE 7 | 10.00 | Mostly Cloudy | FEW200 BKN250 | 82 | 48 | 31% | 81 | 29.97 | 1014.3 | ||||||
| 26 | 16:51 | SE 6 | 10.00 | Mostly Cloudy | FEW200 BKN250 | 82.9 | 48 | 30% | 81 | 29.97 | 1014.5 | ||||||
| 26 | 15:51 | E 12 | 10.00 | Mostly Cloudy | BKN250 | 82 | 46.9 | 29% | 80 | 29.98 | 1014.9 | ||||||
| 26 | 13:51 | E 7 | 10.00 | Overcast | OVC250 | 82.9 | 48 | 30% | 81 | 30.02 | 1015.9 | ||||||
| 26 | 11:51 | Calm | 10.00 | Mostly Cloudy | BKN250 | 80.1 | 46.9 | 31% | 79 | 30.05 | 1017.2 | ||||||
| 26 | 10:51 | Calm | 10.00 | Mostly Cloudy | BKN250 | 78.1 | 52 | 40% | 79 | 30.06 | 1017.6 | ||||||
| 26 | 09:51 | Calm | 10.00 | Mostly Cloudy | BKN250 | 75 | 50 | 42% | 78 | 30.07 | 1017.8 | ||||||
| 26 | 08:51 | SW 6 | 10.00 | Mostly Cloudy | BKN250 | 73 | 48.9 | 43% | 30.08 | 1018.0 | |||||||
| 26 | 07:51 | S 5 | 10.00 | Mostly Cloudy | BKN250 | 69.1 | 48.9 | 49% | 30.08 | 1018.0 | |||||||
| 26 | 06:51 | Calm | 10.00 | Mostly Cloudy | BKN250 | 66 | 48.9 | 70 | 64 | 54% | 30.08 | 1018.1 | |||||
| 26 | 05:51 | SW 3 | 10.00 | Mostly Cloudy | BKN250 | 64 | 46.9 | 54% | 30.07 | 1017.8 | |||||||
| 26 | 04:51 | S 3 | 10.00 | Mostly Cloudy | BKN250 | 64 | 46.9 | 54% | 30.06 | 1017.5 | |||||||
| 26 | 03:51 | SW 5 | 10.00 | Overcast | OVC250 | 66 | 46 | 49% | 30.06 | 1017.4 | |||||||
| 26 | 02:51 | S 6 | 10.00 | Overcast | OVC250 | 66.9 | 46 | 47% | 30.06 | 1017.5 | |||||||
| 26 | 01:51 | S 7 | 10.00 | Mostly Cloudy | BKN250 | 69.1 | 46 | 44% | 30.05 | 1017.2 | |||||||
| 26 | 00:51 | S 7 | 10.00 | Mostly Cloudy | BKN250 | 70 | 48 | 80.1 | 70 | 46% | 30.05 | 1017.3 | |||||
| 25 | 23:51 | S 9 | 10.00 | Mostly Cloudy | BKN250 | 71.1 | 48.9 | 46% | 30.05 | 1017.1 | |||||||
| 25 | 22:51 | S 12 | 10.00 | Partly Cloudy | SCT250 | 73.9 | 48.9 | 41% | 30.05 | 1017.1 | |||||||
| 25 | 21:51 | S 6 | 10.00 | Partly Cloudy | SCT250 | 73.9 | 50 | 43% | 30.05 | 1017.0 | |||||||
| 25 | 20:51 | SE 7 | 10.00 | Partly Cloudy | SCT250 | 75.9 | 50 | 40% | 78 | 30.04 | 1016.7 | ||||||
| 25 | 19:51 | S 8 | 10.00 | Partly Cloudy | SCT250 | 78.1 | 50 | 37% | 79 | 30.04 | 1016.8 | ||||||
| 25 | 18:51 | S 14 | 10.00 | Partly Cloudy | FEW075 SCT250 | 80.1 | 51.1 | 82.9 | 80.1 | 37% | 80 | 30.04 | 1016.7 | ||||
| 25 | 17:51 | S 13 G 18 | 10.00 | A Few Clouds | FEW075 FEW110 FEW250 | 82 | 52 | 35% | 81 | 30.04 | 1016.8 | ||||||
| 25 | 16:51 | S 10 | 10.00 | A Few Clouds | FEW075 FEW110 FEW250 | 82.9 | 52 | 34% | 82 | 30.05 | 1017.1 | ||||||
| 25 | 15:51 | SE 6 | 10.00 | A Few Clouds | FEW070 FEW110 FEW250 | 82 | 52 | 35% | 81 | 30.06 | 1017.5 | ||||||
| 25 | 14:51 | S 9 G 16 | 10.00 | A Few Clouds | FEW070 FEW120 FEW250 | 82 | 52 | 35% | 81 | 30.08 | 1018.2 | ||||||
| 25 | 13:51 | S 6 | 10.00 | A Few Clouds | FEW070 FEW120 FEW250 | 81 | 50 | 34% | 80 | 30.09 | 1018.6 | ||||||
| 25 | 12:51 | SW 7 | 10.00 | A Few Clouds | FEW060 FEW120 FEW250 | 80.1 | 54 | 80.1 | 63 | 41% | 80 | 30.11 | 1019.3 | ||||
| 25 | 11:51 | S 9 | 10.00 | A Few Clouds | FEW120 FEW250 | 78.1 | 54 | 43% | 79 | 30.13 | 1019.8 | ||||||
| 25 | 10:51 | S 9 | 10.00 | A Few Clouds | FEW120 | 77 | 52 | 42% | 78 | 30.13 | 1020.0 | ||||||
| 25 | 09:51 | SW 10 | 10.00 | A Few Clouds | FEW120 | 75 | 52 | 45% | 78 | 30.14 | 1020.3 | ||||||
| 25 | 08:51 | S 10 | 10.00 | A Few Clouds | FEW250 | 72 | 54 | 53% | 30.14 | 1020.3 | |||||||
| 25 | 07:51 | SW 7 | 10.00 | Fair | CLR | 68 | 55 | 63% | 30.14 | 1020.1 | |||||||
| 25 | 06:51 | SW 7 | 10.00 | Fair | CLR | 63 | 54 | 63 | 59 | 73% | 30.13 | 1020.1 | |||||
| 25 | 05:51 | SW 3 | 10.00 | A Few Clouds | FEW250 | 59 | 53.1 | 81% | 30.12 | 1019.6 | |||||||
| 25 | 04:51 | S 5 | 10.00 | A Few Clouds | FEW250 | 59 | 53.1 | 81% | 30.1 | 1019.1 | |||||||
| 25 | 03:51 | S 5 | 10.00 | Fair | CLR | 60.1 | 54 | 80% | 30.09 | 1018.8 | |||||||
| 25 | 02:51 | S 5 | 9.00 | Fair | CLR | 60.1 | 55 | 84% | 30.09 | 1018.6 | |||||||
| 25 | 01:51 | S 5 | 9.00 | Fair | CLR | 61 | 54 | 78% | 30.08 | 1018.3 | |||||||
| 25 | 00:51 | S 3 | 10.00 | Fair | CLR | 61 | 54 | 73 | 61 | 78% | 30.08 | 1018.2 | |||||
| 24 | 23:51 | SE 5 | 10.00 | Fair | CLR | 61 | 53.1 | 75% | 30.07 | 1018.2 | |||||||
| 24 | 22:51 | SE 5 | 10.00 | Fair | CLR | 62.1 | 54 | 75% | 30.06 | 1017.7 | |||||||
| 24 | 21:51 | SE 7 | 10.00 | Fair | CLR | 64 | 54 | 70% | 30.05 | 1017.4 | |||||||
| 24 | 20:51 | SE 7 | 10.00 | A Few Clouds | FEW045 FEW250 | 66.9 | 54 | 63% | 30.03 | 1016.8 | |||||||
| 24 | 19:51 | E 8 | 10.00 | A Few Clouds | FEW045 | 71.1 | 53.1 | 53% | 30.02 | 1016.5 | |||||||
| 24 | 18:51 | E 10 | 10.00 | A Few Clouds | FEW045 | 73 | 54 | 77 | 70 | 51% | 30.02 | 1016.3 | |||||
| 24 | 17:51 | NE 8 | 10.00 | A Few Clouds | FEW046 FEW250 | 75 | 53.1 | 46% | 78 | 30.02 | 1016.2 | ||||||
| 24 | 16:51 | N 8 | 10.00 | A Few Clouds | FEW046 FEW250 | 77 | 46 | 33% | 78 | 30.02 | 1016.1 | ||||||
| 24 | 15:51 | N 10 | 10.00 | A Few Clouds | FEW046 FEW110 | 75.9 | 46 | 35% | 78 | 30.02 | 1016.2 | ||||||
| Date | Time (cdt) | Wind (mph) | Vis. (mi.) | Weather | Sky Cond. | Air | Dwpt | Max. | Min. | Relative Humidity | Wind Chill (°F) | Heat Index (°F) | altimeter (in) | sea level (mb) | 1 hr | 3 hr | 6 hr |
| 6 hour | |||||||||||||||||
| Temperature (ºF) | Pressure | Precipitation (in) | |||||||||||||||