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. | ||||||||||||||||
| 29 | 13:51 | S 16 G 24 | 10.00 | Mostly Cloudy | SCT035 BKN200 BKN250 | 90 | 75 | 62% | 100 | 29.9 | 1012.0 | ||||||
| 29 | 12:51 | SW 12 | 10.00 | Mostly Cloudy | BKN032 BKN200 BKN250 | 89.1 | 75 | 90 | 77 | 63% | 99 | 29.92 | 1012.5 | ||||
| 29 | 11:51 | S 14 | 10.00 | Mostly Cloudy | SCT029 BKN250 | 89.1 | 75 | 63% | 99 | 29.91 | 1012.3 | ||||||
| 29 | 10:51 | S 13 | 10.00 | Partly Cloudy | SCT022 SCT250 | 86 | 75 | 70% | 95 | 29.91 | 1012.2 | ||||||
| 29 | 09:51 | SW 16 G 21 | 10.00 | Partly Cloudy | SCT018 SCT250 | 84 | 75 | 74% | 92 | 29.92 | 1012.5 | ||||||
| 29 | 08:51 | S 10 | 10.00 | Mostly Cloudy | BKN014 | 81 | 75 | 82% | 87 | 29.93 | 1012.8 | ||||||
| 29 | 07:51 | S 12 | 10.00 | Mostly Cloudy | BKN010 BKN300 | 80.1 | 75 | 85% | 85 | 29.93 | 1013.0 | ||||||
| 29 | 06:51 | S 12 | 10.00 | Mostly Cloudy | BKN009 BKN110 | 77 | 73.9 | 78.1 | 75.9 | 90% | 78 | 29.93 | 1012.8 | ||||
| 29 | 05:51 | S 8 | 10.00 | A Few Clouds | FEW110 FEW250 | 75.9 | 73 | 91% | 76 | 29.91 | 1012.4 | ||||||
| 29 | 04:51 | SE 8 | 10.00 | A Few Clouds | FEW020 | 75.9 | 72 | 88% | 76 | 29.91 | 1012.4 | ||||||
| 29 | 03:51 | S 8 | 10.00 | A Few Clouds | FEW020 FEW120 | 77 | 72 | 85% | 78 | 29.91 | 1012.4 | ||||||
| 29 | 02:51 | SE 9 | 10.00 | Partly Cloudy | FEW020 SCT120 | 78.1 | 72 | 82% | 80 | 29.91 | 1012.3 | ||||||
| 29 | 01:51 | S 7 | 10.00 | Mostly Cloudy | FEW020 BKN120 | 78.1 | 72 | 82% | 80 | 29.92 | 1012.5 | ||||||
| 29 | 00:51 | SE 8 | 10.00 | Mostly Cloudy | FEW020 BKN110 BKN250 | 77 | 71.1 | 80.1 | 75 | 82% | 79 | 29.91 | 1012.2 | ||||
| 28 | 23:51 | SE 8 | 10.00 | Mostly Cloudy | SCT028 BKN110 BKN250 | 77 | 71.1 | 82% | 79 | 29.91 | 1012.4 | ||||||
| 28 | 22:51 | SE 9 | 10.00 | Mostly Cloudy | SCT034 BKN110 BKN200 BKN250 | 77 | 70 | 79% | 79 | 29.91 | 1012.1 | ||||||
| 28 | 21:51 | E 6 | 10.00 | Overcast | SCT110 SCT190 OVC250 | 75 | 69.1 | 82% | 75 | 29.9 | 1011.9 | ||||||
| 28 | 20:51 | E 9 | 10.00 | Mostly Cloudy | FEW031 FEW075 BKN170 BKN250 | 75 | 69.1 | 82% | 75 | 29.88 | 1011.4 | ||||||
| 28 | 19:51 | E 6 | 10.00 | Overcast | FEW031 BKN160 BKN200 OVC250 | 80.1 | 71.1 | 74% | 84 | 29.87 | 1011.1 | ||||||
| 28 | 18:51 | S 6 | 10.00 | Overcast | FEW080 SCT120 BKN200 OVC250 | 80.1 | 71.1 | 81 | 77 | 74% | 84 | 29.82 | 1009.3 | ||||
| 28 | 17:51 | S 21 G 38 | 10.00 | Overcast and Breezy | FEW080 SCT110 BKN170 OVC250 | 78.1 | 69.1 | 74% | 80 | 29.73 | 1006.2 | ||||||
| 28 | 16:51 | SE 14 | 10.00 | Overcast | FEW028 FEW045 BKN160 OVC250 | 77 | 69.1 | 77% | 79 | 29.89 | 1011.9 | ||||||
| 28 | 15:51 | NE 10 | 10.00 | Overcast | SCT028 SCT050 BKN210 OVC250 | 78.1 | 69.1 | 74% | 80 | 29.97 | 1014.6 | ||||||
| 28 | 14:51 | E 9 | 10.00 | Overcast | SCT028 BKN045 OVC250 | 79 | 69.1 | 72% | 82 | 29.95 | 1013.9 | ||||||
| 28 | 13:51 | E 9 | 10.00 | Overcast | BKN029 BKN035 OVC250 | 81 | 69.1 | 67% | 84 | 29.94 | 1013.4 | ||||||
| 28 | 12:51 | E 12 | 10.00 | Overcast | OVC032 | 80.1 | 68 | 81 | 68 | 67% | 83 | 29.93 | 1013.0 | ||||
| 28 | 11:51 | E 9 G 18 | 10.00 | Mostly Cloudy | SCT029 BKN250 | 80.1 | 68 | 67% | 83 | 29.92 | 1012.8 | ||||||
| 28 | 10:51 | E 12 | 10.00 | Mostly Cloudy | SCT031 BKN250 | 79 | 66.9 | 67% | 81 | 29.93 | 1012.9 | ||||||
| 28 | 09:51 | E 8 | 10.00 | Mostly Cloudy | BKN250 | 77 | 66.9 | 71% | 79 | 29.92 | 1012.8 | ||||||
| 28 | 08:51 | E 8 | 10.00 | Mostly Cloudy | FEW020 BKN250 | 75 | 66.9 | 76% | 76 | 29.94 | 1013.4 | ||||||
| 28 | 07:51 | Calm | 10.00 | A Few Clouds | FEW025 FEW250 | 72 | 64.9 | 79% | 29.93 | 1013.0 | |||||||
| 28 | 06:51 | N 6 | 10.00 | A Few Clouds | FEW025 FEW250 | 68 | 62.1 | 68 | 62.1 | 81% | 29.93 | 1013.2 | |||||
| 28 | 05:51 | N 3 | 10.00 | A Few Clouds | FEW250 | 64 | 60.1 | 87% | 29.92 | 1012.9 | |||||||
| 28 | 04:51 | N 6 | 10.00 | A Few Clouds | FEW250 | 63 | 59 | 87% | 29.92 | 1012.8 | |||||||
| 28 | 03:51 | NE 7 | 10.00 | A Few Clouds | FEW250 | 64 | 59 | 84% | 29.92 | 1012.8 | |||||||
| 28 | 02:51 | NE 7 | 10.00 | Mostly Cloudy | FEW065 BKN250 | 64.9 | 57.9 | 78% | 29.92 | 1012.9 | |||||||
| 28 | 01:51 | N 6 | 10.00 | Overcast | FEW032 BKN070 OVC250 | 66 | 57.9 | 75% | 29.93 | 1013.3 | |||||||
| 28 | 00:51 | N 7 | 10.00 | Overcast | BKN055 OVC250 | 66 | 57.9 | 72 | 66 | 75% | 29.94 | 1013.5 | |||||
| 27 | 23:51 | N 6 | 10.00 | Overcast | FEW038 BKN055 OVC250 | 66 | 57.9 | 75% | 29.96 | 1014.0 | |||||||
| 27 | 22:51 | NE 9 | 10.00 | Overcast | BKN055 OVC250 | 66 | 57 | 73% | 29.96 | 1014.2 | |||||||
| 27 | 21:51 | NE 12 | 10.00 | Overcast | BKN055 OVC250 | 66.9 | 57.9 | 73% | 29.96 | 1014.3 | |||||||
| 27 | 20:51 | NE 12 | 10.00 | Overcast | BKN055 OVC250 | 68 | 59 | 73% | 29.95 | 1013.9 | |||||||
| 27 | 19:51 | NE 12 | 10.00 | Mostly Cloudy | FEW037 BKN060 BKN250 | 69.1 | 59 | 70% | 29.94 | 1013.5 | |||||||
| 27 | 18:51 | NE 13 | 10.00 | Overcast | FEW037 BKN050 OVC250 | 72 | 60.1 | 75.9 | 72 | 66% | 29.94 | 1013.7 | |||||
| 27 | 17:51 | NE 13 | 10.00 | Mostly Cloudy | BKN045 BKN075 BKN250 | 73.9 | 60.1 | 62% | 29.94 | 1013.4 | |||||||
| 27 | 16:51 | NE 13 G 20 | 10.00 | Mostly Cloudy | FEW025 FEW070 BKN250 | 75.9 | 62.1 | 62% | 78 | 29.94 | 1013.5 | ||||||
| 27 | 15:51 | NE 12 | 10.00 | Mostly Cloudy | FEW025 FEW070 BKN250 | 75 | 62.1 | 64% | 77 | 29.96 | 1014.1 | ||||||
| 27 | 14:51 | NE 14 G 24 | 10.00 | Mostly Cloudy | FEW025 BKN070 BKN250 | 75 | 63 | 66% | 77 | 29.96 | 1014.3 | ||||||
| 27 | 13:51 | NE 13 | 10.00 | Mostly Cloudy | FEW025 BKN070 | 73.9 | 63 | 69% | 29.98 | 1015.0 | |||||||
| 27 | 12:51 | NE 10 | 10.00 | Overcast | FEW025 OVC065 | 73 | 62.1 | 75 | 64 | 69% | 29.99 | 1015.4 | |||||
| 27 | 11:51 | E 13 G 20 | 10.00 | Mostly Cloudy | FEW026 SCT085 BKN250 | 75 | 63 | 66% | 77 | 29.98 | 1014.9 | ||||||
| 27 | 10:51 | E 8 | 10.00 | Mostly Cloudy | FEW026 SCT070 BKN085 | 73 | 62.1 | 69% | 30 | 1015.6 | |||||||
| 27 | 09:51 | E 7 | 10.00 | Mostly Cloudy | BKN085 BKN250 | 71.1 | 63 | 76% | 29.99 | 1015.2 | |||||||
| 27 | 08:51 | NE 6 | 10.00 | Mostly Cloudy | BKN060 BKN090 | 68 | 61 | 78% | 30.01 | 1015.9 | |||||||
| 27 | 07:51 | NE 7 | 10.00 | Overcast | OVC060 | 66 | 61 | 84% | 30 | 1015.9 | |||||||
| 27 | 06:51 | NE 7 | 10.00 | Overcast | OVC060 | 64 | 60.1 | 64.9 | 61 | 87% | 30 | 1015.8 | |||||
| 27 | 05:51 | N 6 | 10.00 | Mostly Cloudy | BKN055 | 63 | 59 | 87% | 30 | 1015.6 | |||||||
| 27 | 04:51 | N 8 | 10.00 | Overcast | OVC055 | 62.1 | 59 | 90% | 29.98 | 1015.0 | |||||||
| 27 | 03:51 | N 6 | 10.00 | Overcast | BKN047 OVC055 | 62.1 | 59 | 90% | 29.99 | 1015.4 | |||||||
| 27 | 02:51 | N 6 | 10.00 | Overcast | OVC060 | 61 | 57.9 | 90% | 30 | 1015.6 | |||||||
| 27 | 01:51 | NE 7 | 10.00 | Overcast | OVC050 | 61 | 57.9 | 90% | 30.01 | 1016.0 | |||||||
| 27 | 00:51 | NE 8 | 10.00 | Overcast | OVC055 | 61 | 57.9 | 62.1 | 60.1 | 90% | 30.02 | 1016.3 | |||||
| 26 | 23:51 | NE 9 | 10.00 | Overcast | FEW008 OVC070 | 61 | 57.9 | 90% | 30.03 | 1016.8 | |||||||
| 26 | 22:51 | NE 9 | 10.00 | Mostly Cloudy | SCT008 BKN080 | 60.1 | 57 | 90% | 30.05 | 1017.3 | |||||||
| 26 | 21:51 | NE 9 | 10.00 | Mostly Cloudy | SCT009 BKN080 | 61 | 57.9 | 90% | 30.05 | 1017.3 | |||||||
| 26 | 20:51 | NE 9 | 10.00 | Overcast | SCT009 OVC080 | 61 | 57.9 | 90% | 30.04 | 1017.1 | |||||||
| 26 | 19:51 | NE 9 | 10.00 | Overcast | FEW009 FEW040 OVC090 | 61 | 57.9 | 90% | 30.04 | 1017.1 | |||||||
| 26 | 18:51 | NE 10 | 10.00 | Overcast | FEW007 FEW040 OVC090 | 62.1 | 57 | 64.9 | 62.1 | 84% | 30.04 | 1017.1 | 0.03 | ||||
| 26 | 17:51 | NE 9 | 10.00 | Overcast | FEW010 SCT080 OVC100 | 62.1 | 57.9 | 86% | 30.04 | 1017.2 | 0.01 | ||||||
| 26 | 16:51 | NE 9 | 9.00 | Light Rain | FEW015 SCT070 OVC110 | 62.1 | 57.9 | 86% | 30.05 | 1017.4 | |||||||
| 26 | 15:51 | N 12 | 10.00 | Overcast | FEW013 FEW045 OVC120 | 63 | 57.9 | 84% | 30.06 | 1017.7 | 0.02 | ||||||
| 26 | 14:51 | NE 9 | 10.00 | Overcast | FEW013 SCT045 OVC120 | 64 | 57.9 | 81% | 30.07 | 1018.2 | |||||||
| 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) | |||||||||||||||