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. | ||||||||||||||||
| 29 | 12:51 | S 15 G 23 | 10.00 | Mostly Cloudy | BKN090 BKN200 BKN250 | 60.1 | 24.1 | 60.1 | 41 | 25% | 30.14 | 1020.7 | |||||
| 29 | 11:51 | S 16 G 22 | 10.00 | Mostly Cloudy | BKN100 BKN250 | 57.9 | 25 | 28% | 30.16 | 1021.5 | |||||||
| 29 | 10:51 | SW 15 | 10.00 | Mostly Cloudy | BKN100 BKN250 | 54 | 25 | 33% | 30.19 | 1022.5 | |||||||
| 29 | 09:51 | SW 13 G 24 | 10.00 | Mostly Cloudy | BKN110 BKN250 | 50 | 26.1 | 39% | 46 | 30.2 | 1022.9 | ||||||
| 29 | 08:51 | SW 15 | 10.00 | Mostly Cloudy | BKN110 BKN250 | 46 | 26.1 | 46% | 40 | 30.21 | 1023.5 | ||||||
| 29 | 07:51 | S 12 | 10.00 | Mostly Cloudy | BKN110 BKN250 | 43 | 27 | 53% | 37 | 30.22 | 1023.6 | ||||||
| 29 | 05:51 | S 9 | 10.00 | Mostly Cloudy | FEW120 SCT210 BKN250 | 41 | 28 | 60% | 36 | 30.23 | 1024.2 | ||||||
| 29 | 04:51 | SW 7 | 10.00 | Mostly Cloudy | FEW120 BKN210 BKN250 | 41 | 28.9 | 62% | 37 | 30.24 | 1024.4 | ||||||
| 29 | 03:51 | SW 7 | 10.00 | Mostly Cloudy | SCT110 SCT220 BKN250 | 41 | 28.9 | 62% | 37 | 30.26 | 1025.0 | ||||||
| 29 | 01:51 | SW 7 | 10.00 | Overcast | BKN200 OVC250 | 43 | 28 | 56% | 39 | 30.28 | 1025.9 | ||||||
| 29 | 00:51 | SW 10 | 10.00 | Overcast | FEW110 SCT200 OVC250 | 44.1 | 28 | 48 | 43 | 53% | 39 | 30.29 | 1026.2 | ||||
| 28 | 23:51 | S 13 | 10.00 | Mostly Cloudy | FEW110 BKN250 | 44.1 | 27 | 51% | 38 | 30.29 | 1026.1 | ||||||
| 28 | 22:51 | S 12 | 10.00 | Mostly Cloudy | FEW110 BKN250 | 44.1 | 27 | 51% | 39 | 30.29 | 1026.3 | ||||||
| 28 | 21:51 | S 12 G 22 | 10.00 | Mostly Cloudy | SCT100 BKN250 | 45 | 26.1 | 48% | 40 | 30.3 | 1026.8 | ||||||
| 28 | 20:51 | S 10 | 10.00 | Mostly Cloudy | BKN100 BKN250 | 46 | 25 | 44% | 42 | 30.33 | 1027.5 | ||||||
| 28 | 19:51 | SW 13 G 20 | 10.00 | Mostly Cloudy | BKN100 BKN250 | 46.9 | 23 | 39% | 42 | 30.33 | 1027.8 | ||||||
| 28 | 18:51 | S 13 | 10.00 | Mostly Cloudy | BKN110 BKN250 | 48 | 21.9 | 48 | 41 | 36% | 43 | 30.34 | 1028.2 | ||||
| 28 | 17:51 | SW 14 G 23 | 10.00 | Mostly Cloudy | BKN120 BKN250 | 48 | 21 | 34% | 43 | 30.37 | 1028.9 | ||||||
| 28 | 16:51 | SW 16 G 23 | 10.00 | Mostly Cloudy | BKN120 BKN250 | 46.9 | 19 | 33% | 41 | 30.4 | 1030.1 | ||||||
| 28 | 15:51 | SW 14 | 10.00 | Partly Cloudy | FEW120 FEW170 SCT250 | 46.9 | 19 | 33% | 42 | 30.43 | 1031.1 | ||||||
| 28 | 14:51 | SW 13 G 20 | 10.00 | Partly Cloudy | FEW170 SCT250 | 45 | 18 | 34% | 39 | 30.49 | 1033.0 | ||||||
| 28 | 13:51 | SW 13 G 21 | 10.00 | Partly Cloudy | FEW180 SCT250 | 43 | 16 | 34% | 37 | 30.52 | 1034.2 | ||||||
| 28 | 12:51 | SW 7 G 20 | 10.00 | Mostly Cloudy | SCT170 BKN250 | 41 | 14 | 41 | 25 | 33% | 37 | 30.57 | 1035.9 | ||||
| 28 | 11:51 | SW 9 | 10.00 | Mostly Cloudy | BKN170 BKN250 | 37.9 | 12 | 34% | 32 | 30.6 | 1036.9 | ||||||
| 28 | 10:51 | SW 6 | 10.00 | A Few Clouds | FEW250 | 35.1 | 12 | 38% | 31 | 30.62 | 1037.5 | ||||||
| 28 | 09:51 | S 3 | 10.00 | A Few Clouds | FEW250 | 32 | 12 | 43% | 30.64 | 1038.3 | |||||||
| 28 | 08:51 | S 3 | 10.00 | A Few Clouds | FEW025 FEW250 | 30 | 12 | 47% | 30.64 | 1038.3 | |||||||
| 28 | 07:51 | W 5 | 10.00 | A Few Clouds | FEW025 FEW250 | 28.9 | 14 | 54% | 25 | 30.65 | 1038.6 | ||||||
| 28 | 06:51 | N 7 | 10.00 | A Few Clouds | FEW025 FEW250 | 26.1 | 12 | 30 | 24.1 | 55% | 19 | 30.61 | 1037.3 | ||||
| 28 | 05:51 | N 6 | 10.00 | Fair | CLR | 26.1 | 12 | 55% | 20 | 30.59 | 1036.6 | ||||||
| 28 | 04:51 | N 7 | 10.00 | Fair | CLR | 25 | 12.9 | 60% | 18 | 30.61 | 1037.2 | ||||||
| 28 | 03:51 | N 8 | 10.00 | Fair | CLR | 28 | 12.9 | 53% | 21 | 30.61 | 1037.2 | ||||||
| 28 | 02:51 | N 10 | 10.00 | Fair | CLR | 28 | 15.1 | 58% | 19 | 30.59 | 1036.7 | ||||||
| 28 | 00:51 | N 7 | 10.00 | Fair | CLR | 30 | 23 | 43 | 30 | 75% | 24 | 30.58 | 1036.2 | ||||
| 27 | 23:51 | NE 7 | 10.00 | A Few Clouds | FEW065 | 33.1 | 24.1 | 70% | 28 | 30.54 | 1035.0 | ||||||
| 27 | 22:51 | N 8 | 10.00 | Partly Cloudy | SCT070 | 34 | 25 | 70% | 28 | 30.52 | 1034.3 | ||||||
| 27 | 21:51 | NE 5 | 10.00 | Mostly Cloudy | BKN070 | 36 | 25 | 64% | 33 | 30.49 | 1033.2 | ||||||
| 27 | 20:51 | SE 3 | 10.00 | Mostly Cloudy | BKN075 | 36 | 25 | 64% | 30.46 | 1032.3 | |||||||
| 27 | 19:51 | E 7 | 10.00 | Mostly Cloudy | BKN080 | 37 | 24.1 | 59% | 32 | 30.43 | 1031.0 | ||||||
| 27 | 18:51 | NW 14 G 21 | 10.00 | Mostly Cloudy | BKN075 | 43 | 16 | 46 | 39.9 | 34% | 37 | 30.4 | 1030.2 | ||||
| 27 | 17:51 | N 16 G 24 | 10.00 | Mostly Cloudy | BKN065 | 44.1 | 17.1 | 34% | 37 | 30.38 | 1029.5 | ||||||
| 27 | 16:51 | NW 15 G 23 | 10.00 | Mostly Cloudy | BKN060 | 44.1 | 17.1 | 34% | 38 | 30.38 | 1029.2 | ||||||
| 27 | 15:51 | NW 16 G 24 | 10.00 | Mostly Cloudy | BKN055 | 44.1 | 19 | 37% | 37 | 30.38 | 1029.3 | ||||||
| 27 | 14:51 | NW 13 G 25 | 10.00 | Mostly Cloudy | BKN050 | 44.1 | 19.9 | 38% | 38 | 30.38 | 1029.5 | ||||||
| 27 | 12:51 | NW 13 G 23 | 10.00 | A Few Clouds | FEW036 | 41 | 19.9 | 41 | 30.9 | 43% | 34 | 30.39 | 1029.6 | ||||
| 27 | 11:51 | N 9 | 10.00 | A Few Clouds | FEW032 | 37.9 | 21 | 51% | 32 | 30.4 | 1030.0 | ||||||
| 27 | 10:51 | N 14 G 20 | 10.00 | Partly Cloudy | SCT028 | 35.1 | 21.9 | 59% | 27 | 30.41 | 1030.6 | ||||||
| 27 | 09:51 | N 17 G 25 | 10.00 | Mostly Cloudy | BKN026 | 34 | 21 | 59% | 24 | 30.4 | 1030.2 | ||||||
| 27 | 08:51 | NE 14 | 10.00 | Mostly Cloudy | BKN024 | 33.1 | 21.9 | 64% | 24 | 30.37 | 1029.2 | ||||||
| 27 | 07:51 | N 13 | 10.00 | Mostly Cloudy | BKN023 | 32 | 21.9 | 66% | 23 | 30.37 | 1029.0 | ||||||
| 27 | 06:51 | N 17 | 10.00 | Mostly Cloudy | BKN023 BKN210 | 32 | 21.9 | 32 | 30.9 | 66% | 22 | 30.33 | 1027.8 | ||||
| 27 | 05:51 | N 20 | 10.00 | Mostly Cloudy | SCT023 BKN200 | 32 | 23 | 69% | 21 | 30.3 | 1026.6 | ||||||
| 27 | 04:51 | N 22 G 32 | 10.00 | Mostly Cloudy and Breezy | SCT020 BKN200 | 32 | 24.1 | 73% | 20 | 30.28 | 1025.9 | ||||||
| 27 | 03:51 | NE 23 G 35 | 10.00 | Mostly Cloudy and Breezy | BKN020 | 32 | 24.1 | 73% | 20 | 30.24 | 1024.5 | ||||||
| 27 | 02:51 | NE 28 G 36 | 10.00 | Overcast and Windy | OVC020 | 32 | 24.1 | 73% | 19 | 30.21 | 1023.4 | ||||||
| 27 | 01:51 | N 24 G 43 | 10.00 | Overcast and Breezy | OVC017 | 32 | 25 | 75% | 20 | 30.21 | 1023.5 | ||||||
| 27 | 00:51 | N 26 G 38 | 10.00 | Overcast and Windy | OVC015 | 32 | 26.1 | 41 | 32 | 79% | 19 | 30.2 | 1022.9 | 0.05 | |||
| 26 | 23:51 | NE 25 G 40 | 10.00 | Overcast and Breezy | OVC018 | 33.1 | 26.1 | 75% | 21 | 30.17 | 1021.9 | ||||||
| 26 | 22:51 | N 30 G 44 | 10.00 | Overcast and Windy | BKN020 BKN080 OVC100 | 34 | 26.1 | 73% | 21 | 30.1 | 1019.6 | ||||||
| 26 | 21:51 | N 32 G 41 | 10.00 | Overcast and Windy | SCT020 OVC070 | 35.1 | 28 | 76% | 22 | 30.08 | 1018.8 | 0.05 | |||||
| 26 | 20:51 | N 32 G 46 | 10.00 | Light Rain and Windy | BKN012 OVC055 | 36 | 30.9 | 82% | 23 | 30.04 | 1017.4 | 0.01 | |||||
| 26 | 19:51 | N 25 G 33 | 8.00 | Light Rain and Breezy | BKN009 BKN030 OVC095 | 37.9 | 35.1 | 89% | 27 | 29.97 | 1015.0 | 0.04 | |||||
| 26 | 18:51 | NE 24 G 41 | 4.00 | Light Rain Fog/Mist and Breezy | BKN007 BKN012 OVC045 | 41 | 39 | 55.9 | 41 | 93% | 32 | 29.88 | 1012.1 | 0.09 | 0.13 | ||
| 26 | 17:51 | N 29 G 35 | 3.00 | Thunderstorm Light Rain Fog/Mist and Windy | SCT012 BKN045CB OVC055 | 46.9 | 44.1 | 90% | 39 | 29.85 | 1010.9 | 0.04 | |||||
| 26 | 16:51 | N 18 | 9.00 | Thunderstorm Light Rain | OVC043CB | 48.9 | 44.1 | 83% | 43 | 29.85 | 1010.9 | ||||||
| 26 | 15:51 | N 28 G 41 | 10.00 | Light Rain and Windy | BKN043 OVC140 | 50 | 42.1 | 74% | 43 | 29.81 | 1009.6 | ||||||
| 26 | 14:51 | NE 24 G 37 | 10.00 | Light Rain and Breezy | BKN043 BKN140 OVC250 | 51.1 | 41 | 69% | 29.72 | 1006.5 | |||||||
| 26 | 13:51 | NE 24 G 38 | 10.00 | Overcast and Breezy | BKN038 BKN140 OVC250 | 54 | 39 | 57% | 29.76 | 1007.7 | |||||||
| 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) | |||||||||||||||