Weather observations for the past three days for
Chicago, Chicago-O'Hare International Airport
| Date | Time (cdt) | Wind (kph) | Vis. (km) | Weather | Sky Cond. | Temperature (ºC) | Relative Humidity | Wind Chill (°C) | Heat Index (°C) | Pressure | Precipitation (cm) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Air | Dwpt | 6 hour | altimeter (cm) | sea level (mb) | 1 hr | 3 hr | 6 hr | ||||||||||
| Max. | Min. | ||||||||||||||||
| 15 | 10:51 | E 17 | 16.09 | Overcast | OVC020 | 15.6 | 11.7 | 78% | 76.33 | 1017.4 | |||||||
| 15 | 09:51 | SE 22 | 16.09 | Overcast | FEW017 OVC021 | 15.6 | 11.7 | 78% | 76.4 | 1018.6 | |||||||
| 15 | 08:51 | E 17 | 16.09 | Overcast | FEW017 OVC022 | 15.6 | 11.7 | 78% | 76.43 | 1018.8 | |||||||
| 15 | 07:51 | E 13 | 16.09 | Overcast | BKN021 OVC029 | 15.6 | 12.2 | 80% | 76.4 | 1018.7 | |||||||
| 15 | 06:51 | E 13 | 16.09 | Overcast | BKN020 OVC031 | 15 | 11.7 | 15.6 | 14.4 | 81% | 76.48 | 1019.4 | |||||
| 15 | 05:51 | E 17 | 16.09 | Overcast | OVC024 | 15 | 11.1 | 78% | 76.5 | 1020.0 | |||||||
| 15 | 04:51 | E 19 | 16.09 | Overcast | OVC030 | 15 | 11.1 | 78% | 76.56 | 1020.4 | |||||||
| 15 | 03:51 | E 15 | 16.09 | Overcast | OVC034 | 15 | 11.1 | 78% | 76.58 | 1020.8 | |||||||
| 15 | 02:51 | E 17 | 16.09 | Overcast | FEW021 OVC033 | 15 | 11.1 | 78% | 76.58 | 1020.9 | |||||||
| 15 | 01:51 | E 19 | 16.09 | Overcast | FEW022 OVC034 | 15.6 | 10.6 | 72% | 76.61 | 1021.2 | |||||||
| 14 | 23:51 | NE 11 | 16.09 | Overcast | FEW027 OVC035 | 15 | 10.6 | 75% | 76.63 | 1021.4 | |||||||
| 14 | 22:51 | NE 17 | 16.09 | Overcast | FEW024 OVC032 | 15 | 10 | 72% | 76.61 | 1021.2 | |||||||
| 14 | 21:51 | NE 26 | 16.09 | Overcast | FEW022 OVC026 | 15 | 10 | 72% | 76.61 | 1021.0 | |||||||
| 14 | 20:51 | NE 24 | 16.09 | Mostly Cloudy | FEW021 BKN026 | 15.6 | 10.6 | 72% | 76.56 | 1020.5 | |||||||
| 14 | 19:51 | NE 22 | 16.09 | Overcast | BKN020 OVC027 | 15.6 | 11.1 | 75% | 76.56 | 1020.4 | |||||||
| 14 | 18:51 | NE 17 | 16.09 | Mostly Cloudy | BKN018 BKN024 | 15.6 | 11.7 | 17.8 | 15.6 | 78% | 76.53 | 1020.1 | |||||
| 14 | 17:51 | NE 24 | 16.09 | Overcast | SCT016 OVC025 | 16.1 | 12.2 | 78% | 76.53 | 1020.0 | |||||||
| 14 | 15:51 | N 30 | 16.09 | Overcast | SCT022 OVC035 | 17.8 | 13.3 | 75% | 76.48 | 1019.4 | |||||||
| 14 | 14:51 | NE 22 | 16.09 | Overcast | SCT022 OVC031 | 17.8 | 12.8 | 73% | 76.43 | 1018.7 | |||||||
| 14 | 13:51 | NE 19 | 16.09 | Overcast | BKN022 OVC028 | 17.2 | 12.8 | 76% | 76.43 | 1018.9 | |||||||
| 14 | 12:51 | E 20 | 16.09 | Overcast | OVC019 | 17.8 | 13.3 | 18.9 | 17.2 | 75% | 76.45 | 1018.9 | |||||
| 14 | 11:51 | NE 17 | 16.09 | Overcast | OVC019 | 17.8 | 13.3 | 75% | 76.43 | 1018.5 | |||||||
| 14 | 10:51 | NE 20 | 16.09 | Mostly Cloudy | SCT019 SCT110 BKN140 | 18.3 | 13.9 | 76% | 76.35 | 1017.8 | |||||||
| 14 | 09:51 | NE 22 | 16.09 | Overcast | FEW018 OVC025 | 17.8 | 13.9 | 78% | 76.35 | 1017.8 | |||||||
| 14 | 08:51 | NE 17 | 16.09 | Overcast | FEW010 OVC019 | 17.2 | 15 | 87% | 76.33 | 1017.2 | |||||||
| 14 | 07:51 | N 22 | 14.48 | Overcast | SCT008 BKN055 OVC120 | 17.2 | 15.6 | 90% | 76.23 | 1015.9 | |||||||
| 14 | 06:51 | N 15 | 14.48 | Overcast | BKN008 BKN120 OVC250 | 17.2 | 15.6 | 18.3 | 16.7 | 90% | 76.15 | 1014.7 | 0.23 | ||||
| 14 | 05:51 | N 20 | 9.66 | Fog/Mist | BKN004 OVC050 | 17.2 | 16.1 | 93% | 76.02 | 1013.1 | |||||||
| 14 | 04:51 | N 19 | 9.66 | Fog/Mist | FEW005 SCT050 OVC100 | 17.8 | 17.2 | 96% | 76 | 1012.9 | |||||||
| 14 | 03:51 | Calm | 11.27 | Overcast | BKN045 BKN070 OVC110 | 18.3 | 17.2 | 93% | 76 | 1012.8 | 0.23 | ||||||
| 14 | 02:51 | Calm | 14.48 | Overcast | FEW035 SCT050 BKN120 OVC250 | 18.3 | 17.2 | 93% | 76.05 | 1013.6 | 0.05 | ||||||
| 14 | 01:51 | SW 6 | 11.27 | Thunderstorm Light Rain | SCT038CB BKN046 OVC120 | 18.3 | 17.2 | 93% | 76.07 | 1013.8 | 0.18 | ||||||
| 14 | 00:51 | N 19 | 16.09 | Overcast | OVC045 | 18.9 | 17.2 | 23.9 | 18.9 | 90% | 76 | 1012.9 | 0.28 | ||||
| 13 | 23:51 | Calm | 16.09 | Light Rain | BKN050 BKN100 OVC200 | 18.9 | 17.8 | 93% | 75.97 | 1012.4 | 0.28 | ||||||
| 13 | 22:51 | Calm | 16.09 | Light Rain | BKN050 OVC100 | 18.9 | 16.7 | 87% | 75.92 | 1012.0 | |||||||
| 13 | 21:51 | N 20 G 33 | 16.09 | Mostly Cloudy | BKN045 BKN100 BKN150 BKN250 | 20.6 | 16.1 | 76% | 75.92 | 1011.9 | |||||||
| 13 | 20:51 | Calm | 16.09 | Mostly Cloudy | SCT055 BKN100 BKN150 BKN250 | 22.2 | 16.1 | 68% | 75.82 | 1010.4 | |||||||
| 13 | 19:51 | SW 7 | 16.09 | Partly Cloudy | FEW110 SCT150 | 22.8 | 15.6 | 64% | 75.84 | 1010.7 | |||||||
| 13 | 18:51 | Calm | 16.09 | Mostly Cloudy | FEW120 BKN150 | 23.9 | 15.6 | 26.7 | 23.9 | 60% | 25 | 75.84 | 1010.6 | ||||
| 13 | 17:51 | SW 6 | 16.09 | Mostly Cloudy | FEW130 BKN150 | 25 | 15.6 | 56% | 26 | 75.82 | 1010.3 | ||||||
| 13 | 16:51 | SW 9 | 16.09 | Mostly Cloudy | BKN150 | 25 | 15.6 | 56% | 26 | 75.84 | 1010.6 | ||||||
| 13 | 15:51 | W 13 | 16.09 | Partly Cloudy | SCT150 | 25.6 | 14.4 | 50% | 26 | 75.82 | 1010.4 | ||||||
| 13 | 14:51 | W 15 | 16.09 | A Few Clouds | FEW150 | 26.1 | 14.4 | 49% | 27 | 75.79 | 1009.9 | ||||||
| 13 | 13:51 | SW 17 | 16.09 | Partly Cloudy | SCT160 | 25 | 15 | 54% | 26 | 75.79 | 1010.1 | ||||||
| 13 | 12:51 | W 15 | 16.09 | Partly Cloudy | FEW120 SCT240 | 25 | 15 | 25.6 | 21.1 | 54% | 26 | 75.82 | 1010.1 | ||||
| 13 | 11:51 | Vrbl 9 | 16.09 | Partly Cloudy | SCT120 SCT240 | 23.3 | 16.1 | 64% | 75.77 | 1009.4 | |||||||
| 13 | 10:51 | W 17 | 16.09 | Mostly Cloudy | SCT120 BKN240 | 21.7 | 16.1 | 71% | 75.77 | 1009.6 | |||||||
| 13 | 09:51 | W 26 G 37 | 16.09 | Mostly Cloudy | FEW110 BKN240 | 21.7 | 16.1 | 71% | 75.77 | 1009.8 | |||||||
| 13 | 08:51 | W 20 G 35 | 16.09 | Partly Cloudy | SCT110 | 21.7 | 16.1 | 71% | 75.72 | 1008.9 | |||||||
| 13 | 07:51 | SW 13 | 16.09 | A Few Clouds | FEW110 | 21.1 | 15.6 | 71% | 75.64 | 1008.0 | |||||||
| 13 | 06:51 | W 13 | 16.09 | A Few Clouds | FEW100 | 21.7 | 15 | 24.4 | 21.7 | 66% | 75.62 | 1007.5 | |||||
| 13 | 05:51 | SW 15 | 16.09 | Fair | CLR | 22.8 | 15 | 62% | 75.57 | 1006.9 | |||||||
| 13 | 04:51 | SW 19 | 16.09 | Fair | CLR | 23.3 | 15 | 60% | 75.54 | 1006.3 | |||||||
| 13 | 03:51 | SW 13 G 31 | 16.09 | A Few Clouds | FEW250 | 23.3 | 15 | 60% | 75.51 | 1006.1 | |||||||
| 13 | 02:51 | SW 15 | 16.09 | A Few Clouds | FEW250 | 23.3 | 15.6 | 62% | 75.51 | 1006.1 | |||||||
| 13 | 01:51 | SW 17 | 16.09 | A Few Clouds | FEW250 | 23.9 | 16.1 | 62% | 25 | 75.51 | 1006.2 | ||||||
| 13 | 00:51 | SW 19 G 33 | 16.09 | A Few Clouds | FEW180 FEW250 | 24.4 | 16.1 | 28.3 | 24.4 | 60% | 26 | 75.51 | 1006.2 | ||||
| 12 | 23:51 | SW 24 G 39 | 16.09 | Partly Cloudy | FEW180 SCT250 | 26.1 | 15.6 | 52% | 27 | 75.54 | 1006.4 | ||||||
| 12 | 22:51 | SW 26 G 41 | 16.09 | Mostly Cloudy | SCT180 BKN250 | 26.7 | 15.6 | 51% | 27 | 75.54 | 1006.7 | ||||||
| 12 | 21:51 | SW 22 G 44 | 16.09 | Mostly Cloudy | SCT180 BKN250 | 27.2 | 15.6 | 49% | 28 | 75.54 | 1006.4 | ||||||
| 12 | 20:51 | SW 26 G 37 | 16.09 | Mostly Cloudy | BKN250 | 27.2 | 15.6 | 49% | 28 | 75.51 | 1006.3 | ||||||
| 12 | 19:51 | S 19 G 33 | 16.09 | Mostly Cloudy | BKN250 | 27.8 | 15.6 | 47% | 28 | 75.54 | 1006.5 | ||||||
| 12 | 18:51 | S 17 | 16.09 | Mostly Cloudy | BKN250 | 28.3 | 15.6 | 31.1 | 28.3 | 46% | 28 | 75.54 | 1006.5 | ||||
| 12 | 17:51 | SW 26 G 41 | 16.09 | Mostly Cloudy | FEW120 BKN250 | 30 | 15.6 | 42% | 30 | 75.54 | 1006.5 | ||||||
| 12 | 16:51 | SW 22 G 41 | 16.09 | Mostly Cloudy | FEW130 BKN250 | 30.6 | 16.1 | 42% | 31 | 75.54 | 1006.7 | ||||||
| 12 | 15:51 | SW 28 G 41 | 16.09 | Mostly Cloudy | FEW130 BKN250 | 30.6 | 16.1 | 42% | 31 | 75.54 | 1006.6 | ||||||
| 12 | 14:51 | SW 31 G 46 | 16.09 | Partly Cloudy | FEW130 SCT250 | 30.6 | 16.7 | 43% | 31 | 75.62 | 1007.3 | ||||||
| 12 | 13:51 | S 20 G 43 | 16.09 | Partly Cloudy | FEW140 SCT250 | 29.4 | 17.2 | 48% | 30 | 75.67 | 1008.4 | ||||||
| 12 | 12:51 | SW 24 | 16.09 | Partly Cloudy | FEW120 SCT250 | 28.3 | 16.7 | 28.3 | 18.3 | 49% | 29 | 75.74 | 1009.2 | ||||
| 12 | 11:51 | SW 17 | 16.09 | Mostly Cloudy | FEW120 BKN250 | 26.7 | 16.1 | 52% | 27 | 75.79 | 1010.0 | ||||||
| Date | Time (cdt) | Wind (kph) | Vis. (km) | Weather | Sky Cond. | Air | Dwpt | Max. | Min. | Relative Humidity | Wind Chill (°C) | Heat Index (°C) | altimeter (cm) | sea level (mb) | 1 hr | 3 hr | 6 hr |
| 6 hour | |||||||||||||||||
| Temperature (ºC) | Pressure | Precipitation (cm) | |||||||||||||||