Weather observations for the past three days for
Chicago, Chicago-O'Hare International Airport
| Date | Time (cdt) | 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. | ||||||||||||||||
| 16 | 23:51 | N 9 | 10.00 | Mostly Cloudy | BKN038 BKN250 | 72 | 62.1 | 71% | 29.97 | 1014.1 | |||||||
| 16 | 22:51 | N 14 | 10.00 | Mostly Cloudy | BKN045 BKN250 | 73.9 | 64 | 71% | 29.95 | 1013.6 | |||||||
| 16 | 21:51 | NW 12 | 10.00 | Mostly Cloudy | SCT030 BKN036 BKN180 BKN250 | 77 | 66 | 69% | 79 | 29.95 | 1013.6 | ||||||
| 16 | 20:51 | NW 9 | 10.00 | Mostly Cloudy | SCT038 SCT050 BKN200 BKN250 | 81 | 71.1 | 72% | 85 | 29.93 | 1013.1 | ||||||
| 16 | 19:51 | NW 8 | 10.00 | Mostly Cloudy | FEW034 SCT055 SCT100 BKN220 BKN250 | 81 | 71.1 | 72% | 85 | 29.91 | 1012.4 | ||||||
| 16 | 18:51 | NW 9 | 10.00 | Mostly Cloudy | FEW034 SCT220 BKN250 | 82.9 | 71.1 | 86 | 79 | 67% | 88 | 29.9 | 1011.9 | 0.03 | |||
| 16 | 17:51 | W 9 | 10.00 | Mostly Cloudy | FEW032 FEW044 SCT220 BKN250 | 84.9 | 72 | 65% | 91 | 29.89 | 1011.5 | ||||||
| 16 | 16:51 | W 6 | 10.00 | Mostly Cloudy | FEW033 FEW050 SCT080 SCT200 BKN250 | 82.9 | 73.9 | 74% | 89 | 29.9 | 1011.9 | ||||||
| 16 | 15:51 | W 7 | 10.00 | Mostly Cloudy | SCT033TCU SCT050 BKN080 BKN250 | 81 | 75 | 82% | 87 | 29.92 | 1012.8 | 0.03 | 0.03 | ||||
| 16 | 14:51 | W 10 | 10.00 | Mostly Cloudy | SCT037 SCT070 BKN250 | 84.9 | 72 | 65% | 91 | 29.94 | 1013.3 | ||||||
| 16 | 13:51 | W 13 | 10.00 | Mostly Cloudy | SCT031 BKN049 BKN250 | 84.9 | 72 | 65% | 91 | 29.95 | 1013.7 | ||||||
| 16 | 12:51 | NW 10 | 10.00 | Mostly Cloudy | BKN027 BKN032 BKN250 | 82.9 | 72 | 82.9 | 73 | 70% | 88 | 29.96 | 1013.9 | ||||
| 16 | 11:51 | NW 8 | 10.00 | Mostly Cloudy | SCT021 BKN028 BKN250 | 82 | 73 | 74% | 87 | 29.96 | 1014.0 | ||||||
| 16 | 10:51 | W 10 | 10.00 | Mostly Cloudy | BKN019 BKN026 BKN150 | 80.1 | 73 | 79% | 84 | 29.96 | 1014.0 | ||||||
| 16 | 09:51 | W 10 | 10.00 | Mostly Cloudy | BKN013 BKN029 BKN150 | 78.1 | 73.9 | 87% | 81 | 29.96 | 1013.9 | ||||||
| 16 | 08:51 | W 7 | 6.00 | Fog/Mist | FEW002 BKN008 OVC025 | 75 | 73.9 | 96% | 73 | 29.98 | 1014.5 | ||||||
| 16 | 07:51 | W 7 | 1.75 | Fog/Mist | BKN002 OVC004 | 73.9 | 73 | 97% | 29.97 | 1014.2 | |||||||
| 16 | 06:51 | W 6 | 4.00 | Fog/Mist | OVC003 | 73 | 73 | 77 | 72 | 100% | 29.95 | 1013.6 | 0.02 | ||||
| 16 | 05:51 | SW 8 | 10.00 | Overcast | OVC004 | 73 | 72 | 96% | 29.94 | 1013.3 | |||||||
| 16 | 04:51 | SW 7 | 10.00 | Overcast | OVC005 | 72 | 71.1 | 97% | 29.93 | 1013.0 | 0.01 | ||||||
| 16 | 03:51 | SW 6 | 8.00 | Light Rain | SCT008 BKN070 OVC120 | 73 | 71.1 | 94% | 29.92 | 1012.7 | 0.01 | 0.01 | |||||
| 16 | 02:51 | SW 10 | 10.00 | Overcast | OVC009 | 73 | 70 | 90% | 29.94 | 1013.3 | |||||||
| 16 | 01:51 | S 16 G 28 | 10.00 | Overcast | BKN012 BKN030 OVC080 | 77 | 73.9 | 90% | 78 | 29.96 | 1013.8 | ||||||
| 16 | 00:51 | S 3 | 10.00 | Overcast | FEW008 FEW016 OVC070 | 77 | 75 | 79 | 77 | 94% | 78 | 29.98 | 1014.9 | ||||
| 15 | 23:51 | S 6 | 10.00 | Partly Cloudy | FEW032 SCT070 | 77 | 73.9 | 90% | 78 | 29.98 | 1014.7 | ||||||
| 15 | 22:51 | S 6 | 10.00 | Overcast | FEW021 BKN028 OVC045 | 78.1 | 73.9 | 87% | 81 | 29.99 | 1015.0 | ||||||
| 15 | 21:51 | S 5 | 10.00 | Overcast | FEW016 OVC030 | 78.1 | 73.9 | 87% | 81 | 30 | 1015.5 | ||||||
| 15 | 20:51 | S 5 | 10.00 | Overcast | FEW016 BKN036 OVC044 | 78.1 | 75 | 90% | 81 | 30.01 | 1015.6 | ||||||
| 15 | 19:51 | Calm | 10.00 | Overcast | BKN016 BKN024 OVC033 | 79 | 75 | 88% | 83 | 30.01 | 1015.6 | ||||||
| 15 | 18:51 | Calm | 10.00 | Mostly Cloudy | SCT018 BKN036 BKN048 | 79 | 73.9 | 79 | 75 | 85% | 83 | 30.01 | 1015.7 | 0.02 | |||
| 15 | 17:51 | SW 3 | 10.00 | Mostly Cloudy | SCT011 BKN016 BKN070 | 78.1 | 73.9 | 87% | 81 | 30.02 | 1016.2 | ||||||
| 15 | 16:51 | Calm | 8.00 | Overcast | FEW020 BKN027 OVC036 | 77 | 73.9 | 90% | 78 | 30.02 | 1016.2 | 0.02 | |||||
| 15 | 15:51 | SW 3 | 5.00 | Light Rain Fog/Mist | BKN018 OVC027 | 77 | 73.9 | 90% | 78 | 30.02 | 1016.2 | ||||||
| 15 | 14:51 | SW 7 | 10.00 | Overcast | BKN014 BKN022 OVC036 | 79 | 73 | 82% | 82 | 30.03 | 1016.4 | ||||||
| 15 | 13:51 | Calm | 10.00 | Overcast | BKN011 BKN019 OVC038 | 77 | 73 | 88% | 78 | 30.04 | 1016.6 | ||||||
| 15 | 12:51 | SW 6 | 10.00 | Overcast | BKN008 OVC015 | 75 | 72 | 75 | 73 | 90% | 74 | 30.05 | 1017.1 | 0.03 | |||
| 15 | 11:51 | S 6 | 10.00 | Overcast | BKN010 OVC017 | 75 | 71.1 | 88% | 75 | 30.07 | 1017.7 | ||||||
| 15 | 10:51 | SE 8 | 10.00 | Overcast | BKN007 BKN019 OVC070 | 75 | 72 | 90% | 74 | 30.05 | 1017.1 | 0.03 | |||||
| 15 | 09:51 | SE 8 | 5.00 | Light Rain Fog/Mist | OVC010 | 73 | 72 | 96% | 30.06 | 1017.6 | |||||||
| 15 | 08:51 | S 5 | 10.00 | Overcast | OVC010 | 75 | 71.1 | 88% | 75 | 30.07 | 1018.0 | ||||||
| 15 | 07:51 | S 5 | 10.00 | Overcast | BKN011 BKN016 OVC024 | 73.9 | 71.1 | 91% | 30.09 | 1018.4 | |||||||
| 15 | 06:51 | SE 6 | 10.00 | Overcast | BKN018 OVC025 | 73.9 | 70 | 73.9 | 73 | 88% | 30.09 | 1018.4 | |||||
| 15 | 05:51 | Calm | 10.00 | Overcast | BKN023 BKN100 OVC250 | 73.9 | 69.1 | 85% | 30.09 | 1018.4 | |||||||
| 15 | 04:51 | Calm | 10.00 | Overcast | FEW025 OVC100 | 73 | 69.1 | 87% | 30.08 | 1018.0 | |||||||
| 15 | 03:51 | Calm | 10.00 | Overcast | BKN027 OVC095 | 73 | 69.1 | 87% | 30.09 | 1018.3 | |||||||
| 15 | 02:51 | Calm | 10.00 | Overcast | FEW050 OVC100 | 73 | 69.1 | 87% | 30.08 | 1018.3 | |||||||
| 15 | 01:51 | E 7 | 10.00 | Mostly Cloudy | FEW050 BKN085 | 73 | 68 | 84% | 30.08 | 1018.3 | |||||||
| 15 | 00:51 | NE 10 | 10.00 | Mostly Cloudy | FEW050 BKN110 | 73 | 66.9 | 75 | 73 | 81% | 30.1 | 1018.7 | |||||
| 14 | 23:51 | NE 9 | 10.00 | Overcast | OVC100 | 73.9 | 66.9 | 79% | 30.13 | 1019.8 | |||||||
| 14 | 22:51 | NE 9 | 10.00 | Overcast | FEW035 OVC100 | 73.9 | 66.9 | 79% | 30.14 | 1020.1 | |||||||
| 14 | 21:51 | N 12 | 10.00 | Overcast | FEW013 SCT034 OVC100 | 73.9 | 68 | 82% | 30.15 | 1020.6 | |||||||
| 14 | 20:51 | N 12 | 10.00 | Overcast | SCT014 BKN047 OVC100 | 73.9 | 69.1 | 85% | 30.15 | 1020.4 | |||||||
| 14 | 19:51 | NE 9 | 10.00 | Overcast | FEW014 SCT070 OVC140 | 73.9 | 69.1 | 85% | 30.11 | 1019.1 | |||||||
| 14 | 18:51 | NE 10 | 10.00 | Overcast | FEW016 SCT130 OVC170 | 75 | 69.1 | 80.1 | 75 | 82% | 75 | 30.09 | 1018.4 | ||||
| 14 | 17:51 | E 8 | 10.00 | Mostly Cloudy | FEW025 BKN130 BKN170 | 78.1 | 69.1 | 74% | 80 | 30.07 | 1017.9 | ||||||
| 14 | 16:51 | NE 10 | 10.00 | Mostly Cloudy | FEW025 BKN150 BKN180 | 78.1 | 68 | 71% | 80 | 30.05 | 1017.3 | ||||||
| 14 | 15:51 | NE 8 | 10.00 | Mostly Cloudy | FEW025 SCT036 BKN160 BKN250 | 79 | 69.1 | 72% | 82 | 30.08 | 1018.1 | ||||||
| 14 | 14:51 | E 10 | 10.00 | Mostly Cloudy | SCT021 BKN028 BKN130 BKN250 | 78.1 | 69.1 | 74% | 80 | 30.07 | 1017.9 | ||||||
| 14 | 13:51 | E 8 | 10.00 | Mostly Cloudy | SCT019 BKN026 BKN170 BKN250 | 79 | 70 | 74% | 82 | 30.09 | 1018.4 | ||||||
| 14 | 12:51 | E 10 | 10.00 | Mostly Cloudy | BKN021 BKN110 BKN250 | 78.1 | 70 | 79 | 72 | 76% | 80 | 30.08 | 1018.2 | ||||
| 14 | 11:51 | NE 8 | 10.00 | Overcast | SCT019 BKN110 OVC250 | 77 | 69.1 | 77% | 79 | 30.1 | 1018.9 | ||||||
| 14 | 10:51 | NE 7 | 9.00 | Overcast | SCT019 BKN110 OVC250 | 75.9 | 69.1 | 79% | 77 | 30.1 | 1018.8 | ||||||
| 14 | 09:51 | E 8 | 9.00 | Overcast | FEW017 BKN060 OVC100 | 75.9 | 69.1 | 79% | 77 | 30.09 | 1018.5 | ||||||
| 14 | 08:51 | E 6 | 8.00 | Overcast | FEW012 BKN060 OVC250 | 75 | 69.1 | 82% | 75 | 30.07 | 1018.0 | ||||||
| 14 | 07:51 | NE 8 | 6.00 | Fog/Mist | FEW008 FEW060 SCT110 OVC250 | 73.9 | 70 | 88% | 30.06 | 1017.7 | |||||||
| 14 | 06:51 | E 7 | 3.00 | Fog/Mist | FEW009 FEW110 BKN250 | 72 | 70 | 72 | 70 | 94% | 30.05 | 1017.3 | |||||
| 14 | 05:51 | NE 5 | 3.00 | Fog/Mist | FEW027 SCT095 BKN250 | 71.1 | 69.1 | 94% | 30.03 | 1016.6 | |||||||
| 14 | 04:51 | E 3 | 5.00 | Fog/Mist | FEW080 SCT110 OVC250 | 71.1 | 69.1 | 94% | 30.02 | 1016.2 | |||||||
| 14 | 03:51 | E 8 | 6.00 | Fog/Mist | SCT080 OVC110 | 71.1 | 70 | 96% | 30 | 1015.6 | |||||||
| 14 | 02:51 | E 6 | 6.00 | Fog/Mist | SCT033 BKN080 OVC120 | 70 | 69.1 | 97% | 29.99 | 1015.2 | |||||||
| 14 | 01:51 | E 6 | 7.00 | Overcast | FEW012 BKN027 OVC080 | 71.1 | 68 | 90% | 30.01 | 1015.7 | |||||||
| 14 | 00:51 | NE 8 | 8.00 | Mostly Cloudy | FEW021 SCT100 BKN220 | 71.1 | 66.9 | 71.1 | 69.1 | 87% | 29.99 | 1015.2 | 0.09 | ||||
| Date | Time (cdt) | 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) | |||||||||||||||