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 | 05:51 | E 5 | 10.00 | Mostly Cloudy | FEW150 BKN250 | 53.1 | 50 | 89% | 30.26 | 1024.7 | |||||||
| 27 | 04:51 | E 6 | 10.00 | Mostly Cloudy | FEW150 BKN250 | 54 | 48.9 | 83% | 30.26 | 1024.7 | |||||||
| 27 | 03:51 | NE 5 | 10.00 | Mostly Cloudy | FEW150 BKN250 | 55 | 48.9 | 80% | 30.26 | 1024.7 | |||||||
| 27 | 02:51 | NE 7 | 10.00 | Mostly Cloudy | FEW140 SCT200 BKN250 | 55.9 | 50 | 81% | 30.26 | 1024.7 | |||||||
| 27 | 01:51 | NE 6 | 10.00 | Mostly Cloudy | SCT130 BKN200 | 55 | 50 | 83% | 30.26 | 1024.7 | |||||||
| 27 | 00:51 | NE 6 | 10.00 | Mostly Cloudy | BKN140 BKN210 | 54 | 48.9 | 55.9 | 54 | 83% | 30.27 | 1025.2 | |||||
| 26 | 23:51 | NE 8 | 10.00 | Mostly Cloudy | BKN140 BKN210 BKN250 | 55.9 | 48.9 | 77% | 30.28 | 1025.5 | |||||||
| 26 | 22:51 | NE 10 | 10.00 | Mostly Cloudy | BKN140 BKN210 BKN250 | 55.9 | 48.9 | 77% | 30.3 | 1025.9 | |||||||
| 26 | 21:51 | NE 12 | 10.00 | Overcast | BKN140 BKN200 OVC250 | 55.9 | 48 | 75% | 30.31 | 1026.3 | |||||||
| 26 | 20:51 | N 12 | 10.00 | Overcast | BKN150 BKN200 OVC250 | 55 | 46.9 | 74% | 30.32 | 1026.7 | |||||||
| 26 | 19:51 | NE 12 | 10.00 | Mostly Cloudy | BKN140 BKN250 | 55.9 | 46.9 | 72% | 30.32 | 1026.7 | |||||||
| 26 | 18:51 | NE 14 | 10.00 | Mostly Cloudy | BKN150 BKN250 | 55.9 | 46 | 62.1 | 55.9 | 70% | 30.32 | 1026.7 | |||||
| 26 | 17:51 | N 16 | 10.00 | Mostly Cloudy | BKN150 BKN250 | 55.9 | 45 | 67% | 30.31 | 1026.5 | |||||||
| 26 | 16:51 | N 17 | 10.00 | Mostly Cloudy | BKN160 BKN250 | 57 | 46 | 67% | 30.31 | 1026.6 | |||||||
| 26 | 15:51 | NE 17 | 10.00 | Mostly Cloudy | BKN200 BKN250 | 60.1 | 44.1 | 56% | 30.32 | 1026.9 | |||||||
| 26 | 14:51 | NE 14 | 10.00 | Mostly Cloudy | SCT200 BKN250 | 59 | 45 | 60% | 30.32 | 1027.0 | |||||||
| 26 | 13:51 | NE 14 | 10.00 | Mostly Cloudy | FEW018 FEW220 BKN250 | 60.1 | 45 | 58% | 30.34 | 1027.3 | |||||||
| 26 | 12:51 | NE 17 | 10.00 | Mostly Cloudy | FEW018 FEW210 BKN250 | 62.1 | 46 | 62.1 | 57 | 56% | 30.35 | 1027.7 | |||||
| 26 | 11:51 | NE 14 | 10.00 | Mostly Cloudy | FEW017 BKN250 | 61 | 45 | 56% | 30.37 | 1028.4 | |||||||
| 26 | 10:51 | NE 15 | 10.00 | Mostly Cloudy | FEW015 FEW180 BKN250 | 61 | 46 | 58% | 30.37 | 1028.5 | |||||||
| 26 | 09:51 | NE 14 | 10.00 | Mostly Cloudy | FEW014 BKN250 | 60.1 | 52 | 75% | 30.37 | 1028.3 | |||||||
| 26 | 08:51 | NE 12 | 10.00 | Mostly Cloudy | BKN012 BKN250 | 57 | 52 | 83% | 30.37 | 1028.5 | |||||||
| 26 | 07:51 | N 10 | 10.00 | Overcast | BKN012 OVC250 | 57 | 52 | 83% | 30.36 | 1028.0 | |||||||
| 26 | 06:51 | NE 10 | 10.00 | Overcast | OVC008 | 57 | 54 | 57.9 | 53.1 | 90% | 30.34 | 1027.6 | |||||
| 26 | 04:51 | N 7 | 8.00 | Mostly Cloudy | BKN004 BKN250 | 54 | 51.1 | 90% | 30.33 | 1027.0 | |||||||
| 26 | 03:51 | N 3 | 10.00 | Mostly Cloudy | FEW200 BKN250 | 54 | 45 | 72% | 30.33 | 1026.9 | |||||||
| 26 | 02:51 | SW 3 | 10.00 | Mostly Cloudy | FEW200 BKN250 | 55 | 44.1 | 67% | 30.32 | 1026.6 | |||||||
| 26 | 00:51 | SW 5 | 10.00 | Partly Cloudy | SCT250 | 57 | 45 | 64.9 | 57 | 64% | 30.32 | 1026.5 | |||||
| 25 | 23:51 | S 5 | 10.00 | Mostly Cloudy | BKN250 | 57.9 | 46 | 65% | 30.32 | 1026.7 | |||||||
| 25 | 22:51 | Calm | 10.00 | Mostly Cloudy | FEW210 BKN250 | 57.9 | 46.9 | 67% | 30.33 | 1026.9 | |||||||
| 25 | 21:51 | Calm | 10.00 | Mostly Cloudy | FEW210 BKN250 | 57.9 | 48 | 70% | 30.33 | 1027.0 | |||||||
| 25 | 20:51 | Calm | 10.00 | Mostly Cloudy | FEW210 BKN250 | 60.1 | 48 | 65% | 30.32 | 1026.9 | |||||||
| 25 | 19:51 | S 6 | 10.00 | A Few Clouds | FEW210 FEW250 | 62.1 | 46.9 | 58% | 30.33 | 1027.0 | |||||||
| 25 | 18:51 | S 5 | 10.00 | Mostly Cloudy | FEW210 BKN250 | 64 | 46 | 73 | 64 | 52% | 30.33 | 1027.1 | |||||
| 25 | 17:51 | S 6 | 10.00 | Mostly Cloudy | FEW220 BKN250 | 69.1 | 46 | 44% | 30.33 | 1027.1 | |||||||
| 25 | 16:51 | S 8 | 10.00 | Mostly Cloudy | FEW220 BKN250 | 71.1 | 45 | 39% | 30.33 | 1026.8 | |||||||
| 25 | 15:51 | SW 9 | 10.00 | Partly Cloudy | FEW220 SCT250 | 73 | 45 | 37% | 30.33 | 1027.0 | |||||||
| 25 | 14:51 | SW 8 | 10.00 | Partly Cloudy | FEW220 SCT250 | 73 | 45 | 37% | 30.34 | 1027.4 | |||||||
| 25 | 13:51 | S 9 | 10.00 | Partly Cloudy | FEW060 SCT250 | 72 | 44.1 | 37% | 30.36 | 1027.9 | |||||||
| 25 | 12:51 | SW 7 | 10.00 | Mostly Cloudy | BKN250 | 70 | 44.1 | 70 | 53.1 | 39% | 30.39 | 1029.0 | |||||
| 25 | 11:51 | SW 10 | 10.00 | Mostly Cloudy | FEW190 BKN250 | 69.1 | 46.9 | 45% | 30.42 | 1029.8 | |||||||
| 25 | 10:51 | SW 7 | 10.00 | Mostly Cloudy | FEW190 BKN250 | 66.9 | 46 | 47% | 30.43 | 1030.2 | |||||||
| 25 | 09:51 | S 6 | 10.00 | Mostly Cloudy | SCT190 BKN250 | 62.1 | 46.9 | 58% | 30.44 | 1030.7 | |||||||
| 25 | 08:51 | Calm | 10.00 | Mostly Cloudy | FEW160 SCT190 BKN250 | 55.9 | 46 | 70% | 30.43 | 1030.5 | |||||||
| 25 | 07:51 | Calm | 10.00 | Mostly Cloudy | BKN160 BKN190 BKN250 | 54 | 45 | 72% | 30.42 | 1030.1 | |||||||
| 25 | 06:51 | S 3 | 10.00 | Mostly Cloudy | BKN160 BKN250 | 53.1 | 44.1 | 57 | 52 | 72% | 30.42 | 1030.1 | |||||
| 25 | 05:51 | S 6 | 10.00 | Mostly Cloudy | BKN160 BKN250 | 53.1 | 44.1 | 72% | 30.41 | 1029.8 | |||||||
| 25 | 04:51 | S 5 | 10.00 | Mostly Cloudy | SCT150 BKN250 | 53.1 | 44.1 | 72% | 30.4 | 1029.6 | |||||||
| 25 | 03:51 | S 3 | 10.00 | Mostly Cloudy | FEW150 BKN250 | 53.1 | 44.1 | 72% | 30.4 | 1029.2 | |||||||
| 25 | 02:51 | S 5 | 10.00 | Mostly Cloudy | BKN250 | 54 | 44.1 | 69% | 30.39 | 1029.0 | |||||||
| 25 | 00:51 | S 7 | 10.00 | Partly Cloudy | SCT250 | 57 | 44.1 | 63 | 55.9 | 62% | 30.38 | 1028.7 | |||||
| 24 | 23:51 | S 6 | 10.00 | A Few Clouds | FEW210 FEW250 | 57 | 44.1 | 62% | 30.38 | 1028.8 | |||||||
| 24 | 22:51 | S 8 | 10.00 | Partly Cloudy | SCT210 SCT250 | 59 | 45 | 60% | 30.37 | 1028.5 | |||||||
| 24 | 21:51 | S 8 | 10.00 | A Few Clouds | FEW250 | 59 | 46 | 62% | 30.37 | 1028.5 | |||||||
| 24 | 20:51 | SE 9 | 10.00 | Partly Cloudy | FEW210 SCT240 | 60.1 | 48 | 65% | 30.37 | 1028.6 | |||||||
| 24 | 19:51 | SE 7 | 10.00 | Mostly Cloudy | SCT210 BKN240 | 62.1 | 46 | 56% | 30.37 | 1028.5 | |||||||
| 24 | 17:51 | S 7 | 10.00 | Mostly Cloudy | SCT220 BKN250 | 64.9 | 46 | 51% | 30.35 | 1027.8 | |||||||
| 24 | 16:51 | S 8 | 10.00 | Mostly Cloudy | BKN250 | 66.9 | 46 | 47% | 30.36 | 1027.9 | |||||||
| 24 | 15:51 | S 8 | 10.00 | Mostly Cloudy | BKN250 | 70 | 46 | 42% | 30.36 | 1027.9 | |||||||
| 24 | 14:51 | S 9 | 10.00 | Mostly Cloudy | BKN250 | 69.1 | 46 | 44% | 30.36 | 1027.9 | |||||||
| 24 | 13:51 | S 9 | 10.00 | Mostly Cloudy | BKN250 | 69.1 | 46 | 44% | 30.37 | 1028.2 | |||||||
| 24 | 12:51 | S 7 | 10.00 | Mostly Cloudy | BKN250 | 66 | 48 | 66.9 | 51.1 | 52% | 30.39 | 1029.1 | |||||
| 24 | 11:51 | SE 7 | 10.00 | Mostly Cloudy | FEW120 BKN250 | 64 | 48 | 56% | 30.41 | 1029.7 | |||||||
| 24 | 10:51 | SE 7 | 10.00 | Mostly Cloudy | FEW120 BKN250 | 60.1 | 46.9 | 62% | 30.42 | 1030.0 | |||||||
| 24 | 09:51 | S 5 | 10.00 | Mostly Cloudy | FEW140 BKN250 | 57 | 46 | 67% | 30.42 | 1030.3 | |||||||
| 24 | 08:51 | S 5 | 10.00 | Mostly Cloudy | FEW150 BKN250 | 54 | 45 | 72% | 30.41 | 1030.0 | |||||||
| 24 | 07:51 | SE 8 | 10.00 | Mostly Cloudy | FEW150 BKN250 | 52 | 44.1 | 75% | 30.39 | 1029.3 | |||||||
| 24 | 06:51 | SE 7 | 10.00 | Mostly Cloudy | BKN250 | 51.1 | 43 | 57 | 50 | 74% | 30.38 | 1028.9 | |||||
| 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) | |||||||||||||||