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. | ||||||||||||||||
| 18 | 02:51 | SW 11 | 16.09 | Partly Cloudy | SCT300 | 20 | 16.7 | 81% | 76.2 | 1015.5 | |||||||
| 18 | 01:51 | SW 11 | 16.09 | Partly Cloudy | SCT300 | 20.6 | 16.1 | 76% | 76.23 | 1015.8 | |||||||
| 18 | 00:51 | SW 11 | 16.09 | A Few Clouds | FEW250 | 20 | 15 | 25 | 20 | 73% | 76.25 | 1016.3 | |||||
| 17 | 23:51 | SW 9 | 16.09 | Fair | CLR | 21.1 | 14.4 | 66% | 76.23 | 1015.8 | |||||||
| 17 | 22:51 | S 9 | 16.09 | Fair | CLR | 21.1 | 14.4 | 66% | 76.23 | 1015.9 | |||||||
| 17 | 21:51 | S 11 | 16.09 | Fair | CLR | 21.7 | 13.9 | 61% | 76.2 | 1015.5 | |||||||
| 17 | 20:51 | S 11 | 16.09 | Partly Cloudy | SCT250 | 22.2 | 13.3 | 57% | 76.2 | 1015.4 | |||||||
| 17 | 19:51 | SE 6 | 16.09 | Mostly Cloudy | FEW045 BKN250 | 23.9 | 15 | 58% | 25 | 76.17 | 1015.0 | ||||||
| 17 | 18:51 | E 6 | 16.09 | Partly Cloudy | FEW045 FEW065 SCT250 | 25 | 15.6 | 26.7 | 23.3 | 56% | 26 | 76.17 | 1014.9 | ||||
| 17 | 17:51 | NW 11 | 16.09 | Partly Cloudy | SCT045 SCT065 | 26.1 | 14.4 | 49% | 27 | 76.2 | 1015.4 | ||||||
| 17 | 16:51 | N 9 | 16.09 | Mostly Cloudy | SCT045 BKN065 | 25.6 | 16.1 | 56% | 26 | 76.2 | 1015.5 | ||||||
| 17 | 15:51 | NE 13 | 16.09 | Mostly Cloudy | SCT042 BKN065 | 25.6 | 16.7 | 58% | 26 | 76.23 | 1015.8 | ||||||
| 17 | 14:51 | N 17 | 16.09 | Mostly Cloudy | SCT035 BKN065 BKN250 | 25 | 16.7 | 60% | 26 | 76.25 | 1016.2 | ||||||
| 17 | 13:51 | NE 11 | 16.09 | Mostly Cloudy | SCT038 BKN065 | 25 | 17.2 | 62% | 26 | 76.25 | 1016.3 | ||||||
| 17 | 12:51 | NE 11 | 16.09 | Mostly Cloudy | FEW034 BKN042 BKN055 | 23.3 | 17.2 | 24.4 | 20.6 | 69% | 76.28 | 1016.5 | |||||
| 17 | 11:51 | N 9 | 16.09 | Mostly Cloudy | FEW031 SCT045 BKN070 | 23.9 | 17.2 | 66% | 25 | 76.3 | 1016.9 | ||||||
| 17 | 10:51 | NE 20 | 16.09 | Overcast | SCT030 BKN042 OVC065 | 23.3 | 16.7 | 67% | 76.33 | 1017.0 | |||||||
| 17 | 09:51 | NE 20 | 16.09 | Overcast | SCT031 BKN038 OVC065 | 23.3 | 16.1 | 64% | 76.28 | 1016.4 | |||||||
| 17 | 08:51 | NE 20 | 16.09 | Mostly Cloudy | SCT020 BKN028 BKN230 | 22.8 | 17.8 | 74% | 76.23 | 1015.6 | |||||||
| 17 | 07:51 | NW 9 | 16.09 | Partly Cloudy | FEW020 FEW031 SCT049 SCT250 | 21.1 | 18.3 | 84% | 76.23 | 1015.8 | |||||||
| 17 | 06:51 | N 15 | 16.09 | Mostly Cloudy | FEW014 BKN021 BKN034 BKN250 | 20.6 | 18.3 | 21.1 | 19.4 | 87% | 76.2 | 1015.5 | |||||
| 17 | 05:51 | NW 9 | 16.09 | Mostly Cloudy | FEW015 BKN042 BKN250 | 19.4 | 17.2 | 87% | 76.17 | 1015.0 | |||||||
| 17 | 04:51 | W 7 | 16.09 | Partly Cloudy | SCT038 | 19.4 | 16.7 | 84% | 76.12 | 1014.6 | |||||||
| 17 | 03:51 | NW 7 | 16.09 | A Few Clouds | FEW038 | 19.4 | 16.7 | 84% | 76.1 | 1014.2 | |||||||
| 17 | 02:51 | NW 9 | 16.09 | A Few Clouds | FEW038 | 20 | 16.1 | 78% | 76.1 | 1013.9 | |||||||
| 17 | 01:51 | NW 9 | 16.09 | A Few Clouds | FEW045 FEW250 | 20.6 | 16.1 | 76% | 76.12 | 1014.2 | |||||||
| 17 | 00:51 | N 11 | 16.09 | Mostly Cloudy | BKN042 BKN250 | 21.1 | 16.7 | 28.3 | 21.1 | 76% | 76.15 | 1014.5 | |||||
| 16 | 23:51 | N 15 | 16.09 | Mostly Cloudy | BKN038 BKN250 | 22.2 | 16.7 | 71% | 76.12 | 1014.1 | |||||||
| 16 | 22:51 | N 22 | 16.09 | Mostly Cloudy | BKN045 BKN250 | 23.3 | 17.8 | 71% | 76.07 | 1013.6 | |||||||
| 16 | 21:51 | NW 19 | 16.09 | Mostly Cloudy | SCT030 BKN036 BKN180 BKN250 | 25 | 18.9 | 69% | 26 | 76.07 | 1013.6 | ||||||
| 16 | 20:51 | NW 15 | 16.09 | Mostly Cloudy | SCT038 SCT050 BKN200 BKN250 | 27.2 | 21.7 | 72% | 29 | 76.02 | 1013.1 | ||||||
| 16 | 19:51 | NW 13 | 16.09 | Mostly Cloudy | FEW034 SCT055 SCT100 BKN220 BKN250 | 27.2 | 21.7 | 72% | 29 | 75.97 | 1012.4 | ||||||
| 16 | 18:51 | NW 15 | 16.09 | Mostly Cloudy | FEW034 SCT220 BKN250 | 28.3 | 21.7 | 30 | 26.1 | 67% | 31 | 75.95 | 1011.9 | 0.08 | |||
| 16 | 17:51 | W 15 | 16.09 | Mostly Cloudy | FEW032 FEW044 SCT220 BKN250 | 29.4 | 22.2 | 65% | 33 | 75.92 | 1011.5 | ||||||
| 16 | 16:51 | W 9 | 16.09 | Mostly Cloudy | FEW033 FEW050 SCT080 SCT200 BKN250 | 28.3 | 23.3 | 74% | 32 | 75.95 | 1011.9 | ||||||
| 16 | 15:51 | W 11 | 16.09 | Mostly Cloudy | SCT033TCU SCT050 BKN080 BKN250 | 27.2 | 23.9 | 82% | 30 | 76 | 1012.8 | 0.08 | 0.08 | ||||
| 16 | 14:51 | W 17 | 16.09 | Mostly Cloudy | SCT037 SCT070 BKN250 | 29.4 | 22.2 | 65% | 33 | 76.05 | 1013.3 | ||||||
| 16 | 13:51 | W 20 | 16.09 | Mostly Cloudy | SCT031 BKN049 BKN250 | 29.4 | 22.2 | 65% | 33 | 76.07 | 1013.7 | ||||||
| 16 | 12:51 | NW 17 | 16.09 | Mostly Cloudy | BKN027 BKN032 BKN250 | 28.3 | 22.2 | 28.3 | 22.8 | 70% | 31 | 76.1 | 1013.9 | ||||
| 16 | 11:51 | NW 13 | 16.09 | Mostly Cloudy | SCT021 BKN028 BKN250 | 27.8 | 22.8 | 74% | 31 | 76.1 | 1014.0 | ||||||
| 16 | 10:51 | W 17 | 16.09 | Mostly Cloudy | BKN019 BKN026 BKN150 | 26.7 | 22.8 | 79% | 29 | 76.1 | 1014.0 | ||||||
| 16 | 09:51 | W 17 | 16.09 | Mostly Cloudy | BKN013 BKN029 BKN150 | 25.6 | 23.3 | 87% | 27 | 76.1 | 1013.9 | ||||||
| 16 | 08:51 | W 11 | 9.66 | Fog/Mist | FEW002 BKN008 OVC025 | 23.9 | 23.3 | 96% | 23 | 76.15 | 1014.5 | ||||||
| 16 | 07:51 | W 11 | 2.82 | Fog/Mist | BKN002 OVC004 | 23.3 | 22.8 | 97% | 76.12 | 1014.2 | |||||||
| 16 | 06:51 | W 9 | 6.44 | Fog/Mist | OVC003 | 22.8 | 22.8 | 25 | 22.2 | 100% | 76.07 | 1013.6 | 0.05 | ||||
| 16 | 05:51 | SW 13 | 16.09 | Overcast | OVC004 | 22.8 | 22.2 | 96% | 76.05 | 1013.3 | |||||||
| 16 | 04:51 | SW 11 | 16.09 | Overcast | OVC005 | 22.2 | 21.7 | 97% | 76.02 | 1013.0 | 0.03 | ||||||
| 16 | 03:51 | SW 9 | 12.87 | Light Rain | SCT008 BKN070 OVC120 | 22.8 | 21.7 | 94% | 76 | 1012.7 | 0.03 | 0.03 | |||||
| 16 | 02:51 | SW 17 | 16.09 | Overcast | OVC009 | 22.8 | 21.1 | 90% | 76.05 | 1013.3 | |||||||
| 16 | 01:51 | S 26 G 44 | 16.09 | Overcast | BKN012 BKN030 OVC080 | 25 | 23.3 | 90% | 26 | 76.1 | 1013.8 | ||||||
| 16 | 00:51 | S 6 | 16.09 | Overcast | FEW008 FEW016 OVC070 | 25 | 23.9 | 26.1 | 25 | 94% | 26 | 76.15 | 1014.9 | ||||
| 15 | 23:51 | S 9 | 16.09 | Partly Cloudy | FEW032 SCT070 | 25 | 23.3 | 90% | 26 | 76.15 | 1014.7 | ||||||
| 15 | 22:51 | S 9 | 16.09 | Overcast | FEW021 BKN028 OVC045 | 25.6 | 23.3 | 87% | 27 | 76.17 | 1015.0 | ||||||
| 15 | 21:51 | S 7 | 16.09 | Overcast | FEW016 OVC030 | 25.6 | 23.3 | 87% | 27 | 76.2 | 1015.5 | ||||||
| 15 | 20:51 | S 7 | 16.09 | Overcast | FEW016 BKN036 OVC044 | 25.6 | 23.9 | 90% | 27 | 76.23 | 1015.6 | ||||||
| 15 | 19:51 | Calm | 16.09 | Overcast | BKN016 BKN024 OVC033 | 26.1 | 23.9 | 88% | 28 | 76.23 | 1015.6 | ||||||
| 15 | 18:51 | Calm | 16.09 | Mostly Cloudy | SCT018 BKN036 BKN048 | 26.1 | 23.3 | 26.1 | 23.9 | 85% | 28 | 76.23 | 1015.7 | 0.05 | |||
| 15 | 17:51 | SW 6 | 16.09 | Mostly Cloudy | SCT011 BKN016 BKN070 | 25.6 | 23.3 | 87% | 27 | 76.25 | 1016.2 | ||||||
| 15 | 16:51 | Calm | 12.87 | Overcast | FEW020 BKN027 OVC036 | 25 | 23.3 | 90% | 26 | 76.25 | 1016.2 | 0.05 | |||||
| 15 | 15:51 | SW 6 | 8.05 | Light Rain Fog/Mist | BKN018 OVC027 | 25 | 23.3 | 90% | 26 | 76.25 | 1016.2 | ||||||
| 15 | 14:51 | SW 11 | 16.09 | Overcast | BKN014 BKN022 OVC036 | 26.1 | 22.8 | 82% | 28 | 76.28 | 1016.4 | ||||||
| 15 | 13:51 | Calm | 16.09 | Overcast | BKN011 BKN019 OVC038 | 25 | 22.8 | 88% | 26 | 76.3 | 1016.6 | ||||||
| 15 | 12:51 | SW 9 | 16.09 | Overcast | BKN008 OVC015 | 23.9 | 22.2 | 23.9 | 22.8 | 90% | 23 | 76.33 | 1017.1 | 0.08 | |||
| 15 | 11:51 | S 9 | 16.09 | Overcast | BKN010 OVC017 | 23.9 | 21.7 | 88% | 24 | 76.38 | 1017.7 | ||||||
| 15 | 10:51 | SE 13 | 16.09 | Overcast | BKN007 BKN019 OVC070 | 23.9 | 22.2 | 90% | 23 | 76.33 | 1017.1 | 0.08 | |||||
| 15 | 09:51 | SE 13 | 8.05 | Light Rain Fog/Mist | OVC010 | 22.8 | 22.2 | 96% | 76.35 | 1017.6 | |||||||
| 15 | 08:51 | S 7 | 16.09 | Overcast | OVC010 | 23.9 | 21.7 | 88% | 24 | 76.38 | 1018.0 | ||||||
| 15 | 07:51 | S 7 | 16.09 | Overcast | BKN011 BKN016 OVC024 | 23.3 | 21.7 | 91% | 76.43 | 1018.4 | |||||||
| 15 | 06:51 | SE 9 | 16.09 | Overcast | BKN018 OVC025 | 23.3 | 21.1 | 23.3 | 22.8 | 88% | 76.43 | 1018.4 | |||||
| 15 | 05:51 | Calm | 16.09 | Overcast | BKN023 BKN100 OVC250 | 23.3 | 20.6 | 85% | 76.43 | 1018.4 | |||||||
| 15 | 04:51 | Calm | 16.09 | Overcast | FEW025 OVC100 | 22.8 | 20.6 | 87% | 76.4 | 1018.0 | |||||||
| 15 | 03:51 | Calm | 16.09 | Overcast | BKN027 OVC095 | 22.8 | 20.6 | 87% | 76.43 | 1018.3 | |||||||
| 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) | |||||||||||||||