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. | ||||||||||||||||
| 25 | 18:51 | SW 19 | 16.09 | Overcast | OVC025 | 25 | 20 | 26.7 | 23.9 | 74% | 26 | 76.02 | 1013.0 | ||||
| 25 | 17:51 | SW 13 | 16.09 | Overcast | OVC025 | 25.6 | 19.4 | 69% | 27 | 76.05 | 1013.5 | ||||||
| 25 | 16:51 | SW 11 | 16.09 | Mostly Cloudy | BKN022 BKN039 | 25.6 | 19.4 | 69% | 27 | 76.05 | 1013.5 | ||||||
| 25 | 15:51 | S 17 | 16.09 | Mostly Cloudy | BKN022 BKN039 | 26.7 | 19.4 | 64% | 28 | 76.05 | 1013.6 | ||||||
| 25 | 14:51 | SW 17 | 16.09 | Mostly Cloudy | BKN022 BKN060 | 25.6 | 18.9 | 67% | 27 | 76.1 | 1014.2 | ||||||
| 25 | 13:51 | SW 19 G 31 | 16.09 | Mostly Cloudy | BKN025 BKN045 | 25 | 18.3 | 66% | 26 | 76.12 | 1014.6 | ||||||
| 25 | 12:51 | SW 15 | 16.09 | Overcast | BKN026 OVC038 | 23.9 | 17.2 | 25 | 18.3 | 66% | 25 | 76.2 | 1015.4 | ||||
| 25 | 11:51 | SW 11 | 16.09 | Overcast | BKN031 OVC043 | 23.9 | 16.1 | 62% | 25 | 76.25 | 1016.1 | ||||||
| 25 | 10:51 | S 19 G 31 | 16.09 | Mostly Cloudy | FEW043 BKN070 BKN120 BKN250 | 25 | 16.1 | 58% | 26 | 76.17 | 1015.1 | ||||||
| 25 | 09:51 | S 15 | 16.09 | Mostly Cloudy | FEW039 BKN060 BKN120 BKN250 | 23.3 | 15 | 60% | 76.23 | 1015.8 | |||||||
| 25 | 08:51 | S 11 | 16.09 | Overcast | FEW038 BKN060 BKN110 OVC250 | 21.7 | 15 | 66% | 76.25 | 1016.1 | |||||||
| 25 | 07:51 | S 9 | 16.09 | Mostly Cloudy | FEW045 BKN070 BKN250 | 20 | 14.4 | 70% | 76.25 | 1016.3 | |||||||
| 25 | 06:51 | S 13 | 16.09 | Mostly Cloudy | SCT045 BKN250 | 18.3 | 13.9 | 20 | 17.2 | 76% | 76.25 | 1016.1 | |||||
| 25 | 05:51 | S 7 | 16.09 | Partly Cloudy | FEW030 SCT250 | 17.2 | 13.9 | 81% | 76.28 | 1016.6 | |||||||
| 25 | 04:51 | S 11 | 16.09 | A Few Clouds | FEW250 | 17.8 | 13.9 | 78% | 76.25 | 1016.2 | |||||||
| 25 | 03:51 | S 9 | 16.09 | A Few Clouds | FEW250 | 17.2 | 13.9 | 81% | 76.25 | 1016.3 | |||||||
| 25 | 02:51 | S 11 | 16.09 | A Few Clouds | FEW050 FEW250 | 18.3 | 13.9 | 76% | 76.28 | 1016.6 | |||||||
| 25 | 01:51 | S 7 | 16.09 | Fair | CLR | 19.4 | 13.9 | 71% | 76.3 | 1016.8 | |||||||
| 25 | 00:51 | S 9 | 16.09 | Fair | CLR | 20 | 13.9 | 25 | 19.4 | 68% | 76.3 | 1016.9 | |||||
| 24 | 23:51 | S 7 | 16.09 | Fair | CLR | 20 | 13.9 | 68% | 76.35 | 1017.5 | |||||||
| 24 | 22:51 | S 7 | 16.09 | A Few Clouds | FEW050 | 21.1 | 12.8 | 59% | 76.38 | 1017.8 | |||||||
| 24 | 21:51 | SW 9 | 16.09 | Fair | CLR | 22.2 | 12.8 | 55% | 76.35 | 1017.5 | |||||||
| 24 | 20:51 | S 15 | 16.09 | A Few Clouds | FEW055 FEW250 | 22.8 | 12.2 | 51% | 76.33 | 1017.3 | |||||||
| 24 | 19:51 | S 11 | 16.09 | A Few Clouds | FEW055 FEW250 | 23.9 | 12.2 | 48% | 25 | 76.35 | 1017.4 | ||||||
| 24 | 18:51 | S 11 | 16.09 | Partly Cloudy | FEW055 SCT250 | 25 | 11.7 | 26.7 | 24.4 | 43% | 26 | 76.33 | 1017.3 | ||||
| 24 | 17:51 | SW 9 | 16.09 | Partly Cloudy | SCT065 SCT250 | 25.6 | 10 | 37% | 26 | 76.35 | 1017.7 | ||||||
| 24 | 16:51 | SW 17 | 16.09 | Mostly Cloudy | SCT065 BKN250 | 25 | 10 | 39% | 26 | 76.38 | 1018.0 | ||||||
| 24 | 15:51 | S 15 | 16.09 | Mostly Cloudy | BKN065 BKN250 | 25.6 | 9.4 | 36% | 26 | 76.43 | 1018.4 | ||||||
| 24 | 14:51 | SW 9 | 16.09 | Mostly Cloudy | BKN060 BKN250 | 25 | 9.4 | 37% | 26 | 76.43 | 1018.6 | ||||||
| 24 | 13:51 | S 9 | 16.09 | Mostly Cloudy | SCT060 BKN250 | 24.4 | 10.6 | 42% | 25 | 76.48 | 1019.2 | ||||||
| 24 | 12:51 | SW 17 | 16.09 | Mostly Cloudy | SCT060 SCT200 BKN250 | 25.6 | 9.4 | 25.6 | 19.4 | 36% | 26 | 76.53 | 1019.9 | ||||
| 24 | 11:51 | S 13 | 16.09 | Mostly Cloudy | SCT055 SCT090 BKN200 BKN250 | 23.9 | 9.4 | 40% | 25 | 76.58 | 1020.5 | ||||||
| 24 | 10:51 | S 7 | 16.09 | Mostly Cloudy | FEW039 FEW070 SCT200 BKN250 | 23.9 | 10 | 42% | 25 | 76.61 | 1020.8 | ||||||
| 24 | 09:51 | S 9 | 16.09 | Mostly Cloudy | FEW070 SCT200 BKN250 | 22.8 | 11.7 | 50% | 76.61 | 1021.1 | |||||||
| 24 | 08:51 | S 6 | 16.09 | Overcast | SCT065 BKN200 OVC250 | 21.1 | 11.1 | 53% | 76.63 | 1021.3 | |||||||
| 24 | 07:51 | W 6 | 16.09 | Overcast | SCT065 BKN210 OVC250 | 20 | 11.7 | 59% | 76.63 | 1021.2 | |||||||
| 24 | 06:51 | Calm | 16.09 | Overcast | BKN065 OVC250 | 19.4 | 11.7 | 19.4 | 17.2 | 61% | 76.61 | 1021.1 | |||||
| 24 | 05:51 | Calm | 16.09 | Mostly Cloudy | SCT070 BKN250 | 17.8 | 11.1 | 65% | 76.58 | 1020.7 | |||||||
| 24 | 04:51 | SW 6 | 16.09 | Overcast | SCT070 OVC250 | 18.9 | 10.6 | 59% | 76.61 | 1020.9 | |||||||
| 24 | 03:51 | SW 7 | 16.09 | Overcast | OVC070 | 18.9 | 10.6 | 59% | 76.61 | 1021.1 | |||||||
| 24 | 02:51 | SW 6 | 16.09 | Mostly Cloudy | SCT070 BKN250 | 18.9 | 10.6 | 59% | 76.58 | 1020.8 | |||||||
| 24 | 01:51 | Calm | 16.09 | Mostly Cloudy | BKN070 BKN250 | 18.9 | 10.6 | 59% | 76.58 | 1020.7 | |||||||
| 24 | 00:51 | SW 7 | 16.09 | Mostly Cloudy | SCT060 BKN250 | 19.4 | 10.6 | 22.8 | 19.4 | 57% | 76.63 | 1021.2 | |||||
| 23 | 23:51 | S 9 | 16.09 | Mostly Cloudy | SCT060 BKN250 | 20 | 10 | 53% | 76.63 | 1021.3 | |||||||
| 23 | 22:51 | SE 9 | 16.09 | Mostly Cloudy | SCT060 BKN250 | 20 | 10 | 53% | 76.63 | 1021.3 | |||||||
| 23 | 21:51 | SE 9 | 16.09 | Mostly Cloudy | SCT065 BKN250 | 21.1 | 9.4 | 47% | 76.63 | 1021.3 | |||||||
| 23 | 20:51 | SE 13 | 16.09 | Mostly Cloudy | SCT065 BKN250 | 21.1 | 8.9 | 46% | 76.61 | 1020.9 | |||||||
| 23 | 18:51 | E 17 | 16.09 | Mostly Cloudy | FEW070 BKN250 | 22.8 | 8.9 | 25.6 | 22.8 | 41% | 76.58 | 1020.7 | |||||
| 23 | 17:51 | SE 15 | 16.09 | Mostly Cloudy | SCT070 BKN250 | 24.4 | 8.9 | 37% | 25 | 76.58 | 1020.7 | ||||||
| 23 | 16:51 | E 9 | 16.09 | Mostly Cloudy | BKN070 BKN250 | 24.4 | 7.8 | 35% | 25 | 76.61 | 1020.9 | ||||||
| 23 | 15:51 | E 7 | 16.09 | Mostly Cloudy | BKN070 | 25 | 8.3 | 35% | 26 | 76.63 | 1021.4 | ||||||
| 23 | 14:51 | Vrbl 6 | 16.09 | Mostly Cloudy | BKN070 | 24.4 | 7.8 | 35% | 25 | 76.66 | 1021.8 | ||||||
| 23 | 13:51 | NW 6 | 16.09 | Mostly Cloudy | BKN070 | 24.4 | 7.2 | 33% | 25 | 76.71 | 1022.4 | ||||||
| 23 | 12:51 | S 9 | 16.09 | Mostly Cloudy | BKN070 BKN100 | 23.9 | 7.8 | 24.4 | 16.1 | 36% | 25 | 76.73 | 1022.5 | ||||
| 23 | 11:51 | Vrbl 6 | 16.09 | Mostly Cloudy | BKN070 BKN100 | 24.4 | 7.8 | 35% | 25 | 76.76 | 1023.0 | ||||||
| 23 | 10:51 | S 9 | 16.09 | Mostly Cloudy | BKN065 | 22.8 | 7.8 | 38% | 76.76 | 1023.1 | |||||||
| 23 | 09:51 | Calm | 16.09 | A Few Clouds | FEW065 | 22.2 | 8.3 | 41% | 76.76 | 1023.0 | |||||||
| 23 | 08:51 | Vrbl 6 | 16.09 | A Few Clouds | FEW065 | 21.1 | 7.8 | 42% | 76.78 | 1023.3 | |||||||
| 23 | 07:51 | NW 7 | 16.09 | A Few Clouds | FEW065 | 19.4 | 6.7 | 44% | 76.76 | 1023.2 | |||||||
| 23 | 06:51 | NW 6 | 16.09 | A Few Clouds | FEW070 | 16.1 | 8.3 | 16.7 | 14.4 | 60% | 76.73 | 1022.6 | |||||
| 23 | 05:51 | W 6 | 16.09 | A Few Clouds | FEW070 | 15 | 7.8 | 62% | 76.68 | 1022.1 | |||||||
| 23 | 04:51 | W 6 | 16.09 | A Few Clouds | FEW070 | 15 | 8.3 | 64% | 76.66 | 1021.7 | |||||||
| 23 | 03:51 | W 6 | 16.09 | Fair | CLR | 15 | 8.3 | 64% | 76.63 | 1021.5 | |||||||
| 23 | 02:51 | Calm | 16.09 | Fair | CLR | 15.6 | 7.8 | 60% | 76.61 | 1021.2 | |||||||
| 23 | 01:51 | Calm | 16.09 | Fair | CLR | 16.1 | 8.3 | 60% | 76.58 | 1020.9 | |||||||
| 23 | 00:51 | W 6 | 16.09 | A Few Clouds | FEW070 | 16.7 | 7.8 | 21.7 | 16.7 | 56% | 76.56 | 1020.4 | |||||
| 22 | 23:51 | Calm | 16.09 | A Few Clouds | FEW070 | 17.2 | 8.3 | 56% | 76.56 | 1020.3 | |||||||
| 22 | 22:51 | Calm | 16.09 | A Few Clouds | FEW070 | 18.3 | 7.2 | 49% | 76.56 | 1020.3 | |||||||
| 22 | 21:51 | SE 6 | 16.09 | A Few Clouds | FEW070 | 18.9 | 6.7 | 45% | 76.53 | 1020.1 | |||||||
| 22 | 20:51 | E 9 | 16.09 | A Few Clouds | FEW070 FEW300 | 19.4 | 6.1 | 42% | 76.5 | 1019.5 | |||||||
| 22 | 19:51 | NE 13 | 16.09 | A Few Clouds | FEW070 FEW300 | 20.6 | 4.4 | 35% | 76.45 | 1019.1 | |||||||
| 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) | |||||||||||||||