Weather observations for the past three days for
Chicago, Chicago-O'Hare International Airport
| Date | Time (cst) | 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. | ||||||||||||||||
| 28 | 14:51 | NE 18 | 10.00 | Overcast | BKN020 OVC070 | 30 | 21 | 69% | 19 | 30.18 | 1022.6 | ||||||
| 28 | 13:51 | NE 18 G 26 | 10.00 | Light Snow | BKN023 BKN070 BKN200 OVC250 | 32 | 21 | 64% | 21 | 30.15 | 1021.4 | ||||||
| 28 | 12:51 | NE 14 | 10.00 | Overcast | FEW025 SCT070 BKN200 OVC250 | 34 | 19.9 | 56% | 25 | 30.16 | 1021.9 | ||||||
| 28 | 11:51 | NE 14 | 10.00 | Overcast | BKN070 BKN100 OVC200 | 35.1 | 15.1 | 36 | 33.1 | 44% | 27 | 30.17 | 1022.2 | ||||
| 28 | 10:51 | NE 13 | 10.00 | Overcast | BKN070 BKN085 OVC200 | 34 | 12.9 | 42% | 26 | 30.18 | 1022.3 | ||||||
| 28 | 09:51 | N 14 | 10.00 | Overcast | FEW080 BKN095 OVC240 | 35.1 | 10.9 | 37% | 27 | 30.15 | 1021.3 | ||||||
| 28 | 08:51 | N 12 | 10.00 | Overcast | FEW085 BKN100 BKN200 OVC250 | 34 | 10.9 | 38% | 26 | 30.13 | 1020.5 | ||||||
| 28 | 07:51 | N 10 | 10.00 | Mostly Cloudy | FEW090 SCT110 BKN200 BKN250 | 34 | 12.9 | 42% | 27 | 30.1 | 1019.6 | ||||||
| 28 | 06:51 | N 9 | 10.00 | Overcast | BKN110 BKN200 OVC250 | 33.1 | 12.9 | 43% | 26 | 30.05 | 1018.0 | ||||||
| 28 | 05:51 | N 10 | 10.00 | Mostly Cloudy | SCT130 SCT210 BKN250 | 33.1 | 12.9 | 46 | 32 | 43% | 26 | 30.03 | 1017.1 | ||||
| 28 | 04:51 | N 9 | 10.00 | A Few Clouds | FEW120 FEW250 | 34 | 19.9 | 56% | 27 | 30.01 | 1016.4 | ||||||
| 28 | 03:51 | NW 6 | 10.00 | Partly Cloudy | FEW150 SCT250 | 37 | 27 | 67% | 33 | 29.98 | 1015.3 | ||||||
| 28 | 02:51 | W 7 | 10.00 | Mostly Cloudy | BKN250 | 39.9 | 25 | 55% | 36 | 29.96 | 1014.7 | ||||||
| 28 | 01:51 | W 6 | 10.00 | Mostly Cloudy | BKN250 | 41 | 28 | 60% | 38 | 29.91 | 1012.9 | ||||||
| 28 | 00:51 | NW 13 G 24 | 10.00 | A Few Clouds | FEW250 | 43 | 28.9 | 58% | 37 | 29.89 | 1012.4 | ||||||
| 27 | 23:51 | NW 16 | 10.00 | A Few Clouds | FEW250 | 46 | 30 | 62.1 | 46 | 54% | 40 | 29.85 | 1011.0 | ||||
| 27 | 22:51 | W 16 G 25 | 10.00 | A Few Clouds | FEW250 | 48.9 | 30 | 48% | 44 | 29.81 | 1009.5 | ||||||
| 27 | 21:51 | W 12 | 10.00 | A Few Clouds | FEW250 | 52 | 27 | 38% | 29.79 | 1008.9 | |||||||
| 27 | 20:51 | NW 10 | 10.00 | A Few Clouds | FEW250 | 55 | 26.1 | 33% | 29.76 | 1007.9 | |||||||
| 27 | 19:51 | W 13 G 23 | 10.00 | A Few Clouds | FEW250 | 57.9 | 26.1 | 29% | 29.72 | 1006.8 | |||||||
| 27 | 18:51 | SW 6 | 10.00 | Partly Cloudy | FEW095 SCT250 | 57.9 | 25 | 28% | 29.71 | 1006.3 | |||||||
| 27 | 17:51 | SW 6 | 10.00 | Mostly Cloudy | FEW050 FEW100 BKN250 | 62.1 | 24.1 | 64.9 | 55 | 23% | 29.7 | 1005.9 | |||||
| 27 | 16:51 | SW 12 | 10.00 | Mostly Cloudy | SCT090 BKN250 | 64 | 23 | 21% | 29.7 | 1006.1 | |||||||
| 27 | 15:51 | SW 13 G 21 | 10.00 | Mostly Cloudy | BKN090 | 64.9 | 23 | 20% | 29.72 | 1006.6 | |||||||
| 27 | 14:51 | S 15 G 21 | 10.00 | Mostly Cloudy | BKN090 | 62.1 | 26.1 | 25% | 29.74 | 1007.3 | |||||||
| 27 | 13:51 | SW 17 G 28 | 10.00 | Mostly Cloudy | BKN100 BKN250 | 61 | 25 | 25% | 29.77 | 1008.2 | |||||||
| 27 | 12:51 | SW 17 G 31 | 10.00 | Mostly Cloudy | SCT100 BKN120 BKN250 | 57 | 26.1 | 30% | 29.8 | 1009.5 | |||||||
| 27 | 11:51 | SW 18 G 29 | 10.00 | Mostly Cloudy | FEW110 BKN250 | 55 | 27 | 55 | 30 | 34% | 29.84 | 1010.7 | |||||
| 27 | 10:51 | SW 14 G 24 | 10.00 | Mostly Cloudy | FEW100 BKN250 | 52 | 27 | 38% | 29.86 | 1011.6 | |||||||
| 27 | 09:51 | S 8 | 10.00 | Mostly Cloudy | FEW090 BKN250 | 46 | 33.1 | 61% | 42 | 29.88 | 1012.3 | ||||||
| 27 | 08:51 | S 9 | 6.00 | Fog/Mist | FEW003 SCT090 BKN250 | 37.9 | 34 | 86% | 32 | 29.9 | 1012.9 | ||||||
| 27 | 07:51 | S 6 | 0.50 | Freezing Fog | BKN001 | 30.9 | 30 | 96% | 26 | 29.89 | 1012.9 | ||||||
| 27 | 06:51 | S 6 | 1.00 | Fog/Mist | BKN002 BKN250 | 30 | 28 | 92% | 25 | 29.88 | 1012.5 | ||||||
| 27 | 05:51 | S 5 | 9.00 | A Few Clouds | FEW005 | 30 | 28 | 35.1 | 28 | 92% | 26 | 29.88 | 1012.5 | ||||
| 27 | 04:51 | SW 5 | 10.00 | A Few Clouds | FEW005 | 30.9 | 28.9 | 92% | 27 | 29.87 | 1012.2 | ||||||
| 27 | 03:51 | SW 5 | 10.00 | Fair | CLR | 32 | 28.9 | 88% | 28 | 29.87 | 1012.0 | ||||||
| 27 | 02:51 | SW 6 | 10.00 | Fair | CLR | 33.1 | 28.9 | 85% | 28 | 29.86 | 1011.6 | ||||||
| 27 | 01:51 | SW 5 | 10.00 | Fair | CLR | 34 | 30 | 85% | 30 | 29.87 | 1012.0 | ||||||
| 27 | 00:51 | S 7 | 10.00 | A Few Clouds | FEW200 | 34 | 28.9 | 82% | 29 | 29.87 | 1012.3 | ||||||
| 26 | 23:51 | SW 8 | 10.00 | Fair | CLR | 35.1 | 28.9 | 39.9 | 35.1 | 78% | 29 | 29.88 | 1012.4 | ||||
| 26 | 22:51 | SW 6 | 10.00 | Fair | CLR | 35.1 | 28 | 76% | 31 | 29.88 | 1012.3 | ||||||
| 26 | 21:51 | SW 6 | 10.00 | Fair | CLR | 36 | 26.1 | 67% | 32 | 29.87 | 1012.1 | ||||||
| 26 | 20:51 | SW 3 | 10.00 | Fair | CLR | 37 | 24.1 | 59% | 29.87 | 1012.1 | |||||||
| 26 | 19:51 | S 5 | 10.00 | Fair | CLR | 37 | 23 | 57% | 34 | 29.87 | 1012.1 | ||||||
| 26 | 18:51 | S 6 | 10.00 | A Few Clouds | FEW055 | 37.9 | 21 | 51% | 34 | 29.87 | 1012.1 | ||||||
| 26 | 17:51 | S 3 | 10.00 | Partly Cloudy | FEW060 FEW190 SCT250 | 39.9 | 21 | 41 | 35.1 | 47% | 29.86 | 1012.0 | |||||
| 26 | 16:51 | SW 6 | 10.00 | Mostly Cloudy | SCT060 BKN250 | 41 | 19.9 | 43% | 38 | 29.85 | 1011.6 | ||||||
| 26 | 15:51 | S 8 | 10.00 | Mostly Cloudy | FEW030 BKN055 BKN250 | 39.9 | 19 | 43% | 35 | 29.86 | 1011.8 | ||||||
| 26 | 14:51 | SW 7 G 16 | 10.00 | Mostly Cloudy | FEW030 SCT050 BKN070 BKN250 | 39.9 | 19 | 43% | 36 | 29.86 | 1011.9 | ||||||
| 26 | 13:51 | SW 9 | 10.00 | Overcast | FEW028 BKN040 OVC070 | 37.9 | 17.1 | 43% | 32 | 29.86 | 1012.0 | ||||||
| 26 | 12:51 | SW 10 | 10.00 | Mostly Cloudy | BKN041 BKN055 | 37.9 | 17.1 | 43% | 32 | 29.88 | 1012.4 | ||||||
| 26 | 11:51 | S 5 | 10.00 | Overcast | SCT045 OVC080 | 36 | 17.1 | 36 | 19 | 46% | 33 | 29.89 | 1013.0 | ||||
| 26 | 10:51 | S 6 | 10.00 | Overcast | FEW050 OVC080 | 33.1 | 18 | 54% | 28 | 29.9 | 1013.4 | ||||||
| 26 | 09:51 | S 9 | 10.00 | Partly Cloudy | SCT080 SCT250 | 33.1 | 19 | 56% | 26 | 29.9 | 1013.3 | ||||||
| 26 | 08:51 | S 6 | 10.00 | Partly Cloudy | FEW080 SCT250 | 30 | 19 | 64% | 25 | 29.9 | 1013.4 | ||||||
| 26 | 07:51 | E 3 | 10.00 | Mostly Cloudy | FEW035 FEW100 BKN250 | 25 | 12.9 | 60% | 29.88 | 1012.7 | |||||||
| 26 | 06:51 | N 5 | 10.00 | Mostly Cloudy | FEW035 FEW100 BKN250 | 21 | 10 | 62% | 15 | 29.87 | 1012.4 | ||||||
| 26 | 05:51 | Calm | 10.00 | A Few Clouds | FEW035 | 19 | 8.1 | 27 | 19 | 62% | 29.87 | 1012.4 | |||||
| 26 | 04:51 | N 3 | 10.00 | A Few Clouds | FEW040 | 19.9 | 8.1 | 60% | 29.86 | 1012.0 | |||||||
| 26 | 03:51 | N 5 | 10.00 | A Few Clouds | FEW100 | 21.9 | 8.1 | 55% | 16 | 29.87 | 1012.4 | ||||||
| 26 | 02:51 | Calm | 10.00 | A Few Clouds | FEW100 | 23 | 8.1 | 53% | 29.87 | 1012.3 | |||||||
| 26 | 01:51 | N 6 | 10.00 | A Few Clouds | FEW110 | 21 | 7 | 54% | 14 | 29.88 | 1012.7 | ||||||
| 26 | 00:51 | N 7 | 10.00 | Partly Cloudy | SCT140 SCT200 | 23 | 8.1 | 53% | 16 | 29.88 | 1012.5 | ||||||
| 25 | 23:51 | NW 5 | 10.00 | Partly Cloudy | SCT140 SCT250 | 28 | 10 | 34 | 28 | 47% | 24 | 29.87 | 1012.3 | ||||
| 25 | 22:51 | NW 5 | 10.00 | Mostly Cloudy | FEW100 BKN170 BKN250 | 28.9 | 10 | 45% | 25 | 29.84 | 1011.1 | ||||||
| 25 | 21:51 | NW 3 | 10.00 | Overcast | FEW120 BKN180 OVC250 | 30 | 9 | 41% | 29.83 | 1010.8 | |||||||
| 25 | 20:51 | W 5 | 10.00 | Overcast | OVC250 | 30 | 10 | 43% | 26 | 29.82 | 1010.7 | ||||||
| 25 | 19:51 | NW 3 | 10.00 | Mostly Cloudy | BKN250 | 30.9 | 8.1 | 38% | 29.79 | 1009.7 | |||||||
| 25 | 18:51 | NW 3 | 10.00 | A Few Clouds | FEW250 | 32 | 8.1 | 36% | 29.78 | 1009.1 | |||||||
| 25 | 17:51 | W 8 | 10.00 | A Few Clouds | FEW250 | 34 | 8.1 | 37.9 | 32 | 34% | 28 | 29.76 | 1008.3 | ||||
| 25 | 16:51 | W 13 G 20 | 10.00 | A Few Clouds | FEW250 | 36 | 9 | 32% | 28 | 29.74 | 1007.8 | ||||||
| 25 | 15:51 | W 12 G 20 | 10.00 | A Few Clouds | FEW200 FEW250 | 36 | 10 | 34% | 29 | 29.72 | 1006.9 | ||||||
| Date | Time (cst) | 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) | |||||||||||||||