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. | ||||||||||||||||
| 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 | ||||||
| 25 | 14:51 | NW 10 G 20 | 10.00 | A Few Clouds | FEW200 FEW250 | 37 | 10.9 | 34% | 30 | 29.7 | 1006.3 | ||||||
| 25 | 13:51 | W 12 G 21 | 10.00 | Partly Cloudy | FEW038 SCT200 SCT250 | 36 | 10 | 34% | 29 | 29.69 | 1006.1 | ||||||
| 25 | 12:51 | W 13 G 22 | 10.00 | A Few Clouds | FEW035 FEW110 | 35.1 | 10.9 | 37% | 27 | 29.69 | 1006.1 | ||||||
| 25 | 11:51 | W 10 G 21 | 10.00 | A Few Clouds | FEW033 | 32 | 14 | 33.1 | 27 | 47% | 24 | 29.7 | 1006.5 | ||||
| 25 | 10:51 | W 9 G 18 | 10.00 | Partly Cloudy | SCT030 | 30.9 | 15.1 | 52% | 24 | 29.68 | 1005.6 | ||||||
| 25 | 09:51 | W 14 G 21 | 10.00 | Partly Cloudy | SCT028 | 30 | 15.1 | 54% | 20 | 29.67 | 1005.5 | ||||||
| 25 | 08:51 | NW 15 G 22 | 10.00 | Partly Cloudy | SCT024 | 28 | 16 | 60% | 17 | 29.65 | 1004.6 | ||||||
| 25 | 07:51 | NW 16 G 26 | 10.00 | A Few Clouds | FEW026 | 27 | 16 | 63% | 16 | 29.62 | 1003.6 | ||||||
| 25 | 06:51 | W 13 | 10.00 | A Few Clouds | FEW028 | 27 | 19 | 72% | 17 | 29.59 | 1002.5 | ||||||
| 25 | 05:51 | W 10 | 10.00 | A Few Clouds | FEW028 | 28 | 19.9 | 32 | 27 | 72% | 19 | 29.56 | 1001.6 | ||||
| 25 | 04:51 | W 10 | 10.00 | Fair | CLR | 28 | 21.9 | 78% | 19 | 29.55 | 1001.3 | ||||||
| 25 | 03:51 | SW 12 | 10.00 | Fair | CLR | 28 | 21.9 | 78% | 19 | 29.55 | 1001.3 | ||||||
| 25 | 02:51 | SW 9 | 10.00 | Fair | CLR | 28.9 | 21.9 | 75% | 21 | 29.55 | 1001.2 | ||||||
| 25 | 01:51 | SW 7 | 10.00 | Fair | CLR | 28.9 | 21.9 | 75% | 23 | 29.56 | 1001.5 | ||||||
| 25 | 00:51 | W 7 | 10.00 | Fair | CLR | 30.9 | 21 | 67% | 25 | 29.55 | 1001.4 | ||||||
| 24 | 23:51 | W 6 | 10.00 | Fair | CLR | 32 | 21 | 39 | 32 | 64% | 27 | 29.53 | 1000.7 | ||||
| 24 | 22:51 | W 8 | 10.00 | A Few Clouds | FEW027 | 34 | 21 | 59% | 28 | 29.52 | 1000.2 | ||||||
| 24 | 21:51 | W 10 G 22 | 10.00 | Partly Cloudy | SCT027 | 37.9 | 21.9 | 52% | 32 | 29.5 | 999.4 | ||||||
| 24 | 20:51 | W 15 G 22 | 10.00 | Overcast | OVC033 | 37.9 | 23 | 55% | 30 | 29.5 | 999.4 | ||||||
| 24 | 19:51 | SW 13 G 22 | 10.00 | Overcast | OVC040 | 37.9 | 19 | 46% | 31 | 29.5 | 999.6 | ||||||
| 24 | 18:51 | SW 16 G 25 | 10.00 | Overcast | SCT047 BKN065 OVC100 | 37.9 | 18 | 44% | 30 | 29.49 | 999.4 | ||||||
| 24 | 17:51 | SW 14 G 25 | 10.00 | Overcast | SCT085 OVC100 | 37.9 | 18 | 37.9 | 30.9 | 44% | 30 | 29.5 | 999.9 | ||||
| 24 | 16:51 | SW 17 G 26 | 10.00 | Overcast | SCT075 BKN095 OVC250 | 37 | 17.1 | 44% | 28 | 29.47 | 998.8 | ||||||
| 24 | 15:51 | S 17 G 32 | 10.00 | Overcast | SCT110 OVC250 | 35.1 | 16 | 46% | 26 | 29.5 | 999.6 | ||||||
| 24 | 14:51 | S 20 G 32 | 10.00 | Overcast | SCT120 OVC250 | 35.1 | 15.1 | 44% | 25 | 29.53 | 1000.7 | ||||||
| 24 | 13:51 | S 14 G 28 | 10.00 | Overcast | SCT110 OVC250 | 34 | 14 | 44% | 25 | 29.57 | 1002.0 | ||||||
| 24 | 12:51 | S 20 G 35 | 10.00 | Overcast | BKN140 OVC250 | 33.1 | 12.9 | 43% | 22 | 29.6 | 1003.2 | ||||||
| 24 | 11:51 | S 18 G 26 | 10.00 | Overcast | BKN150 OVC250 | 30.9 | 12 | 30.9 | 19.9 | 45% | 20 | 29.66 | 1005.4 | ||||
| 24 | 10:51 | S 14 G 31 | 10.00 | Overcast | SCT210 OVC250 | 30 | 10.9 | 45% | 20 | 29.73 | 1007.8 | ||||||
| 24 | 09:51 | S 21 G 33 | 10.00 | Mostly Cloudy and Breezy | BKN250 | 28 | 10 | 47% | 15 | 29.8 | 1010.1 | ||||||
| 24 | 08:51 | S 21 G 29 | 10.00 | Mostly Cloudy and Breezy | FEW140 BKN250 | 27 | 10 | 49% | 14 | 29.87 | 1012.3 | ||||||
| 24 | 07:51 | S 13 | 10.00 | Mostly Cloudy | FEW140 FEW180 BKN250 | 24.1 | 10.9 | 57% | 13 | 29.93 | 1014.4 | ||||||
| 24 | 06:51 | S 8 | 10.00 | Mostly Cloudy | SCT140 BKN180 BKN250 | 21 | 10.9 | 65% | 12 | 29.97 | 1016.0 | ||||||
| 24 | 05:51 | S 7 | 10.00 | Mostly Cloudy | SCT150 BKN220 | 19.9 | 12 | 21 | 19.9 | 71% | 12 | 30.02 | 1017.7 | ||||
| 24 | 04:51 | S 8 | 10.00 | Mostly Cloudy | BKN150 | 21 | 12 | 68% | 12 | 30.07 | 1019.1 | ||||||
| 24 | 03:51 | S 8 | 10.00 | Mostly Cloudy | BKN180 | 21 | 12.9 | 71% | 12 | 30.11 | 1020.5 | ||||||
| 24 | 02:51 | S 8 | 10.00 | Mostly Cloudy | BKN180 | 21 | 12.9 | 71% | 12 | 30.14 | 1021.6 | ||||||
| 24 | 01:51 | S 7 | 10.00 | Mostly Cloudy | BKN180 | 21 | 14 | 74% | 13 | 30.17 | 1022.7 | ||||||
| 24 | 00:51 | S 6 | 10.00 | Mostly Cloudy | BKN250 | 21 | 14 | 74% | 14 | 30.2 | 1023.7 | ||||||
| 23 | 23:51 | SW 5 | 10.00 | Mostly Cloudy | BKN250 | 21 | 14 | 24.1 | 21 | 74% | 15 | 30.24 | 1025.0 | ||||
| 23 | 22:51 | SE 3 | 10.00 | Mostly Cloudy | FEW150 BKN250 | 21.9 | 14 | 71% | 30.27 | 1025.9 | |||||||
| 23 | 21:51 | SE 3 | 10.00 | Mostly Cloudy | SCT150 BKN250 | 21.9 | 12.9 | 68% | 30.28 | 1026.5 | |||||||
| 23 | 20:51 | SE 3 | 10.00 | Mostly Cloudy | BKN250 | 21.9 | 12.9 | 68% | 30.32 | 1027.7 | |||||||
| 23 | 19:51 | NE 3 | 10.00 | Mostly Cloudy | BKN250 | 21.9 | 12.9 | 68% | 30.33 | 1028.1 | |||||||
| 23 | 18:51 | E 6 | 10.00 | Fair | CLR | 23 | 12.9 | 65% | 17 | 30.35 | 1029.0 | ||||||
| 23 | 17:51 | E 7 | 10.00 | A Few Clouds | FEW250 | 24.1 | 10.9 | 30 | 24.1 | 57% | 17 | 30.36 | 1029.2 | ||||
| 23 | 16:51 | NE 6 | 10.00 | A Few Clouds | FEW250 | 27 | 10.9 | 51% | 21 | 30.36 | 1029.2 | ||||||
| 23 | 15:51 | NW 8 | 10.00 | Partly Cloudy | FEW035 SCT250 | 28.9 | 8.1 | 41% | 22 | 30.38 | 1029.6 | ||||||
| 23 | 14:51 | N 10 | 10.00 | Partly Cloudy | FEW035 SCT250 | 28.9 | 7 | 39% | 20 | 30.4 | 1030.3 | ||||||
| 23 | 13:51 | NW 10 G 18 | 10.00 | A Few Clouds | FEW035 FEW250 | 28 | 7 | 41% | 19 | 30.41 | 1030.7 | ||||||
| 23 | 12:51 | N 10 | 10.00 | A Few Clouds | FEW035 FEW250 | 26.1 | 7 | 44% | 17 | 30.43 | 1031.3 | ||||||
| 23 | 11:51 | NW 13 | 10.00 | Partly Cloudy | SCT033 | 24.1 | 7 | 25 | 19.9 | 48% | 13 | 30.46 | 1032.6 | ||||
| 23 | 10:51 | N 13 G 24 | 10.00 | Mostly Cloudy | BKN031 | 23 | 7 | 50% | 12 | 30.47 | 1032.9 | ||||||
| 23 | 09:51 | NW 17 G 24 | 10.00 | Overcast | OVC034 | 21.9 | 7 | 52% | 9 | 30.46 | 1032.6 | ||||||
| 23 | 08:51 | N 23 | 10.00 | Overcast and Breezy | OVC028 | 19.9 | 7 | 57% | 4 | 30.46 | 1032.6 | ||||||
| 23 | 07:51 | N 21 G 29 | 10.00 | Light Snow and Breezy | OVC030 | 19.9 | 8.1 | 60% | 5 | 30.45 | 1032.2 | ||||||
| 23 | 06:51 | N 13 | 10.00 | Light Snow | OVC028 | 19.9 | 10.9 | 68% | 8 | 30.42 | 1031.4 | ||||||
| 23 | 05:51 | NW 15 | 10.00 | Light Snow | OVC029 | 19.9 | 10.9 | 19.9 | 18 | 68% | 7 | 30.41 | 1030.9 | ||||
| 23 | 04:51 | NW 13 | 10.00 | Light Snow | OVC029 | 19.9 | 10.9 | 68% | 8 | 30.41 | 1030.8 | ||||||
| 23 | 03:51 | NW 12 | 10.00 | Light Snow | SCT028 BKN039 | 19 | 10.9 | 71% | 8 | 30.4 | 1030.5 | ||||||
| 23 | 02:51 | N 13 G 23 | 10.00 | Mostly Cloudy | BKN038 | 19 | 10 | 68% | 7 | 30.38 | 1029.9 | ||||||
| 23 | 01:51 | NW 17 G 25 | 10.00 | Mostly Cloudy | BKN039 | 19.9 | 10 | 65% | 6 | 30.38 | 1029.7 | ||||||
| 23 | 00:51 | NW 16 G 25 | 10.00 | Mostly Cloudy | BKN043 | 19.9 | 10 | 65% | 7 | 30.37 | 1029.3 | ||||||
| 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) | |||||||||||||||