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. | ||||||||||||||||
| 11 | 03:51 | Calm | 10.00 | Mostly Cloudy | FEW017 SCT043 SCT060 BKN250 | 75 | 71.1 | 88% | 75 | 29.92 | 1012.5 | ||||||
| 11 | 01:51 | E 3 | 10.00 | Mostly Cloudy | BKN023 BKN038 | 75.9 | 70 | 82% | 77 | 29.94 | 1013.4 | ||||||
| 11 | 00:51 | SE 5 | 10.00 | Mostly Cloudy | BKN023 BKN038 | 75 | 71.1 | 81 | 75 | 88% | 75 | 29.96 | 1013.8 | ||||
| 10 | 23:51 | E 3 | 10.00 | Overcast | FEW023 BKN038 OVC048 | 75.9 | 71.1 | 85% | 76 | 29.97 | 1014.2 | ||||||
| 10 | 22:51 | E 7 | 10.00 | Mostly Cloudy | BKN023 BKN035 BKN047 | 75 | 70 | 84% | 75 | 29.97 | 1014.4 | ||||||
| 10 | 21:51 | E 6 | 10.00 | Partly Cloudy | FEW025 SCT120 | 75.9 | 70 | 82% | 77 | 29.95 | 1013.7 | ||||||
| 10 | 20:51 | E 8 | 10.00 | Partly Cloudy | SCT020 | 77 | 71.1 | 82% | 79 | 29.93 | 1013.2 | ||||||
| 10 | 19:51 | N 9 | 10.00 | Mostly Cloudy | FEW020 FEW035 SCT150 BKN250 | 79 | 72 | 79% | 82 | 29.91 | 1012.4 | ||||||
| 10 | 18:51 | E 3 | 10.00 | Overcast | FEW030 SCT047 BKN100 BKN160 OVC250 | 80.1 | 73 | 87.1 | 80.1 | 79% | 84 | 29.92 | 1012.6 | ||||
| 10 | 17:51 | Vrbl 5 | 10.00 | Overcast | SCT030 BKN060 BKN200 OVC250 | 81 | 73 | 77% | 86 | 29.94 | 1013.1 | ||||||
| 10 | 16:51 | E 8 | 10.00 | Overcast | SCT031 BKN055 OVC250 | 82.9 | 73 | 72% | 89 | 29.91 | 1012.3 | ||||||
| 10 | 15:51 | NE 7 | 10.00 | Overcast | SCT031 BKN050 BKN080 OVC250 | 84 | 73.9 | 72% | 91 | 29.92 | 1012.5 | ||||||
| 10 | 14:51 | W 6 | 10.00 | Mostly Cloudy | SCT031 BKN046 BKN060 BKN250 | 87.1 | 75 | 67% | 97 | 29.92 | 1012.5 | ||||||
| 10 | 13:51 | Vrbl 3 | 10.00 | Mostly Cloudy | SCT026 SCT055 BKN250 | 84.9 | 73.9 | 70% | 92 | 29.92 | 1012.7 | ||||||
| 10 | 12:51 | SE 7 | 10.00 | Mostly Cloudy | SCT024 SCT210 BKN250 | 84.9 | 73.9 | 84.9 | 73.9 | 70% | 92 | 29.93 | 1012.9 | ||||
| 10 | 11:51 | Vrbl 6 | 10.00 | Mostly Cloudy | FEW020 FEW043 SCT210 BKN250 | 82 | 73 | 74% | 87 | 29.94 | 1013.3 | ||||||
| 10 | 10:51 | Calm | 10.00 | Mostly Cloudy | FEW014 FEW050 SCT180 BKN250 | 80.1 | 73 | 79% | 84 | 29.94 | 1013.1 | ||||||
| 10 | 09:51 | Calm | 10.00 | Overcast | OVC012 | 77 | 71.1 | 82% | 79 | 29.92 | 1012.7 | ||||||
| 10 | 08:51 | N 5 | 10.00 | Overcast | OVC012 | 75 | 71.1 | 88% | 75 | 29.93 | 1012.9 | ||||||
| 10 | 07:51 | NE 8 | 10.00 | Overcast | BKN014 OVC027 | 73.9 | 70 | 88% | 29.92 | 1012.7 | |||||||
| 10 | 06:51 | W 3 | 10.00 | Overcast | BKN019 BKN025 OVC040 | 73.9 | 70 | 77 | 72 | 88% | 29.92 | 1012.6 | |||||
| 10 | 05:51 | Calm | 10.00 | Overcast | BKN018 OVC250 | 73 | 69.1 | 87% | 29.89 | 1011.7 | |||||||
| 10 | 04:51 | SW 7 | 10.00 | Mostly Cloudy | BKN022 BKN250 | 73 | 68 | 84% | 29.88 | 1011.4 | |||||||
| 10 | 03:51 | SW 8 | 10.00 | Overcast | SCT031 OVC250 | 73 | 68 | 84% | 29.88 | 1011.2 | |||||||
| 10 | 02:51 | SW 10 | 10.00 | Overcast | SCT040 OVC250 | 73.9 | 66 | 76% | 29.86 | 1010.8 | |||||||
| 10 | 01:51 | SW 7 | 10.00 | Overcast | FEW011 FEW075 OVC250 | 75.9 | 73.9 | 94% | 75 | 29.87 | 1010.9 | ||||||
| 10 | 00:51 | SE 6 | 10.00 | Thunderstorm | BKN012 BKN021 OVC035CB | 77 | 73.9 | 77 | 75 | 90% | 78 | 29.88 | 1011.4 | 0.02 | 0.06 | ||
| 09 | 23:51 | S 10 | 10.00 | Thunderstorm Light Rain | SCT040CB BKN055 OVC090 | 75.9 | 72 | 88% | 76 | 29.86 | 1010.6 | 0.04 | |||||
| 09 | 22:51 | SE 15 G 22 | 10.00 | Thunderstorm Light Rain | BKN038CB BKN050 OVC110 | 75.9 | 71.1 | 85% | 76 | 29.88 | 1011.2 | ||||||
| 09 | 21:51 | SE 7 | 10.00 | Overcast | BKN038 BKN046 OVC130 | 75.9 | 72 | 88% | 76 | 29.91 | 1012.3 | ||||||
| 09 | 20:51 | SE 7 | 10.00 | Mostly Cloudy | FEW034 BKN110 BKN250 | 75.9 | 71.1 | 85% | 76 | 29.91 | 1012.3 | ||||||
| 09 | 19:51 | E 5 | 10.00 | Mostly Cloudy | FEW040 BKN120 BKN250 | 75.9 | 71.1 | 85% | 76 | 29.9 | 1012.0 | ||||||
| 09 | 18:51 | SE 5 | 10.00 | Mostly Cloudy | BKN031 BKN130 BKN250 | 75.9 | 71.1 | 82.9 | 70 | 85% | 76 | 29.91 | 1012.2 | 1.28 | |||
| 09 | 17:51 | SE 3 | 10.00 | Mostly Cloudy | FEW015 SCT040 BKN130 BKN250 | 75.9 | 71.1 | 85% | 76 | 29.92 | 1012.7 | ||||||
| 09 | 16:51 | Calm | 10.00 | Light Rain | FEW015 BKN050 BKN085 BKN130 OVC250 | 75 | 70 | 84% | 75 | 29.93 | 1013.0 | ||||||
| 09 | 15:51 | S 7 | 10.00 | Mostly Cloudy | FEW015 SCT055 SCT140 BKN190 BKN250 | 72 | 69.1 | 91% | 29.92 | 1012.6 | 1.28 | ||||||
| 09 | 14:51 | S 8 | 10.00 | Thunderstorm | FEW010 FEW030CB SCT070 BKN130 BKN160 OVC250 | 72 | 68 | 87% | 29.93 | 1013.2 | 0.71 | ||||||
| 09 | 13:51 | W 15 G 35 | 1.25 | Thunderstorm Heavy Rain Fog/Mist | SCT011 BKN031CB OVC055 | 71.1 | 69.1 | 94% | 29.94 | 1013.4 | 0.57 | ||||||
| 09 | 12:51 | S 8 G 18 | 10.00 | Thunderstorm | SCT030 BKN040CB BKN065 BKN140 OVC250 | 82.9 | 72 | 84 | 69.1 | 70% | 88 | 29.93 | 1013.0 | ||||
| 09 | 10:51 | S 10 | 10.00 | Mostly Cloudy | FEW034 FEW042 BKN250 | 81 | 70 | 69% | 84 | 29.98 | 1014.7 | ||||||
| 09 | 09:51 | S 10 | 10.00 | Mostly Cloudy | SCT030 BKN250 | 78.1 | 68 | 71% | 80 | 29.98 | 1014.7 | ||||||
| 09 | 08:51 | S 10 | 10.00 | Partly Cloudy | FEW028 SCT250 | 75.9 | 66 | 72% | 77 | 29.99 | 1015.1 | ||||||
| 09 | 07:51 | S 8 | 10.00 | Mostly Cloudy | SCT028 BKN250 | 72 | 64 | 76% | 30 | 1015.4 | |||||||
| 09 | 06:51 | S 5 | 10.00 | Mostly Cloudy | BKN026 BKN250 | 69.1 | 63 | 70 | 66 | 81% | 30.02 | 1016.1 | |||||
| 09 | 05:51 | S 3 | 10.00 | Mostly Cloudy | SCT026 BKN250 | 66.9 | 62.1 | 84% | 30.02 | 1016.1 | |||||||
| 09 | 04:51 | Calm | 10.00 | A Few Clouds | FEW250 | 66 | 62.1 | 87% | 30.01 | 1015.9 | |||||||
| 09 | 03:51 | Calm | 10.00 | A Few Clouds | FEW250 | 66.9 | 62.1 | 84% | 30 | 1015.6 | |||||||
| 09 | 02:51 | Calm | 10.00 | A Few Clouds | FEW250 | 66 | 62.1 | 87% | 30 | 1015.6 | |||||||
| 09 | 01:51 | Calm | 10.00 | Partly Cloudy | SCT250 | 69.1 | 63 | 81% | 30.01 | 1015.7 | |||||||
| 09 | 00:51 | W 3 | 10.00 | Partly Cloudy | SCT250 | 70 | 63 | 81 | 70 | 79% | 30.03 | 1016.5 | |||||
| 08 | 23:51 | W 3 | 10.00 | A Few Clouds | FEW250 | 71.1 | 62.1 | 73% | 30.04 | 1016.7 | |||||||
| 08 | 22:51 | SW 5 | 10.00 | A Few Clouds | FEW250 | 73 | 61 | 66% | 30.03 | 1016.5 | |||||||
| 08 | 21:51 | SW 5 | 10.00 | A Few Clouds | FEW250 | 75 | 61 | 62% | 77 | 30.04 | 1016.6 | ||||||
| 08 | 20:51 | W 5 | 10.00 | Mostly Cloudy | BKN250 | 75.9 | 61 | 60% | 78 | 30.02 | 1016.0 | ||||||
| 08 | 19:51 | W 6 | 10.00 | Mostly Cloudy | BKN250 | 79 | 60.1 | 52% | 80 | 30.01 | 1015.6 | ||||||
| 08 | 18:51 | W 8 | 10.00 | Mostly Cloudy | FEW050 BKN250 | 81 | 57 | 84 | 81 | 44% | 81 | 30 | 1015.4 | ||||
| 08 | 17:51 | W 7 | 10.00 | Partly Cloudy | FEW050 SCT250 | 82 | 59 | 46% | 82 | 29.99 | 1015.1 | ||||||
| 08 | 16:51 | W 9 | 10.00 | Partly Cloudy | FEW050 SCT250 | 82.9 | 55.9 | 40% | 82 | 29.99 | 1014.9 | ||||||
| 08 | 15:51 | W 8 | 10.00 | Partly Cloudy | FEW050 SCT250 | 84 | 57 | 40% | 83 | 29.99 | 1014.9 | ||||||
| 08 | 14:51 | W 8 | 10.00 | Partly Cloudy | FEW050 SCT250 | 82.9 | 59 | 44% | 83 | 30 | 1015.5 | ||||||
| 08 | 13:51 | NW 12 | 10.00 | Partly Cloudy | FEW038 SCT250 | 82 | 60.1 | 47% | 82 | 30.01 | 1015.8 | ||||||
| 08 | 12:51 | N 7 | 10.00 | A Few Clouds | FEW036 | 81 | 60.1 | 81 | 71.1 | 49% | 82 | 30.02 | 1016.0 | ||||
| 08 | 11:51 | N 8 | 10.00 | Partly Cloudy | SCT034 | 79 | 63 | 58% | 81 | 30.03 | 1016.4 | ||||||
| 08 | 10:51 | NW 10 | 10.00 | Partly Cloudy | SCT028 | 78.1 | 64.9 | 64% | 80 | 30.02 | 1016.1 | ||||||
| 08 | 09:51 | NW 10 | 10.00 | Partly Cloudy | SCT020 | 75.9 | 66 | 72% | 77 | 30.02 | 1015.8 | ||||||
| 08 | 08:51 | NW 7 | 10.00 | Fair | CLR | 73.9 | 66 | 76% | 30.01 | 1015.6 | |||||||
| 08 | 07:51 | W 7 | 10.00 | A Few Clouds | FEW250 | 72 | 64.9 | 79% | 30 | 1015.2 | |||||||
| 08 | 06:51 | W 8 | 10.00 | A Few Clouds | FEW045 FEW250 | 71.1 | 62.1 | 77 | 71.1 | 73% | 29.99 | 1014.9 | |||||
| 08 | 05:51 | W 5 | 10.00 | A Few Clouds | FEW040 | 71.1 | 63 | 76% | 29.97 | 1014.3 | |||||||
| 08 | 04:51 | SW 5 | 10.00 | A Few Clouds | FEW060 | 72 | 62.1 | 71% | 29.95 | 1013.7 | |||||||
| 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) | |||||||||||||||