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. | ||||||||||||||||
| 19 | 21:51 | E 5 | 10.00 | Mostly Cloudy | BKN085 | 39.9 | 28.9 | 65% | 37 | 30.22 | 1023.9 | ||||||
| 19 | 20:51 | Calm | 10.00 | Mostly Cloudy | FEW075 BKN090 | 43 | 25 | 49% | 30.2 | 1022.9 | |||||||
| 19 | 19:51 | N 8 | 10.00 | Mostly Cloudy | SCT075 BKN090 BKN250 | 46 | 17.1 | 31% | 42 | 30.17 | 1021.9 | ||||||
| 19 | 18:51 | N 9 | 10.00 | Mostly Cloudy | BKN075 BKN090 BKN250 | 46 | 24.1 | 50 | 41 | 42% | 42 | 30.15 | 1021.4 | 0.01 | |||
| 19 | 17:51 | NW 13 G 24 | 10.00 | Mostly Cloudy | SCT060 BKN085 BKN250 | 46.9 | 25 | 42% | 42 | 30.13 | 1020.9 | ||||||
| 19 | 16:51 | NW 10 G 24 | 10.00 | Mostly Cloudy | FEW045 BKN065 BKN090 BKN250 | 48 | 23 | 37% | 44 | 30.13 | 1020.5 | ||||||
| 19 | 15:51 | N 18 G 30 | 10.00 | Mostly Cloudy | SCT055 BKN075 BKN090 BKN250 | 46 | 30.9 | 56% | 39 | 30.13 | 1020.6 | 0.01 | |||||
| 19 | 14:51 | NW 13 G 25 | 10.00 | Mostly Cloudy | FEW020 SCT047 BKN090 BKN250 | 48 | 28.9 | 48% | 43 | 30.12 | 1020.2 | ||||||
| 19 | 13:51 | W 8 | 10.00 | Light Rain | FEW017 BKN033 BKN075 BKN250 | 43 | 34 | 71% | 39 | 30.12 | 1020.5 | 0.01 | |||||
| 19 | 12:51 | W 18 G 30 | 10.00 | Mostly Cloudy | SCT047 BKN070 BKN250 | 48 | 26.1 | 48.9 | 37 | 42% | 42 | 30.1 | 1019.6 | ||||
| 19 | 11:51 | W 17 G 35 | 10.00 | Light Rain | BKN050 OVC250 | 44.1 | 28 | 53% | 37 | 30.12 | 1020.4 | ||||||
| 19 | 10:51 | W 14 G 28 | 10.00 | Mostly Cloudy | FEW075 SCT100 BKN250 | 48 | 23 | 37% | 43 | 30.1 | 1019.6 | ||||||
| 19 | 09:51 | W 17 G 30 | 10.00 | Mostly Cloudy | FEW060 SCT080 BKN250 | 46 | 19 | 34% | 40 | 30.1 | 1019.8 | ||||||
| 19 | 08:51 | SW 8 | 10.00 | Mostly Cloudy | BKN090 BKN250 | 44.1 | 26.1 | 49% | 40 | 30.09 | 1019.4 | ||||||
| 19 | 07:51 | SW 7 | 10.00 | Mostly Cloudy | FEW100 BKN250 | 41 | 27 | 57% | 37 | 30.1 | 1019.5 | ||||||
| 19 | 06:51 | SW 7 | 10.00 | A Few Clouds | FEW100 | 37 | 27 | 39.9 | 36 | 67% | 32 | 30.09 | 1019.3 | ||||
| 19 | 05:51 | SW 6 | 10.00 | Fair | CLR | 36 | 27 | 70% | 32 | 30.08 | 1019.0 | ||||||
| 19 | 04:51 | SW 7 | 10.00 | Fair | CLR | 37 | 26.1 | 65% | 32 | 30.08 | 1019.1 | ||||||
| 19 | 03:51 | SW 6 | 10.00 | Fair | CLR | 37 | 27 | 67% | 33 | 30.08 | 1019.0 | ||||||
| 19 | 02:51 | SW 7 | 10.00 | Fair | CLR | 37.9 | 26.1 | 62% | 33 | 30.07 | 1018.6 | ||||||
| 19 | 01:51 | SW 6 | 10.00 | Fair | CLR | 39 | 26.1 | 60% | 35 | 30.07 | 1018.5 | ||||||
| 19 | 00:51 | W 6 | 10.00 | Fair | CLR | 39.9 | 26.1 | 46 | 39.9 | 58% | 36 | 30.07 | 1018.5 | ||||
| 18 | 23:51 | W 6 | 10.00 | Fair | CLR | 42.1 | 24.1 | 49% | 39 | 30.06 | 1018.3 | ||||||
| 18 | 22:51 | W 7 | 10.00 | Fair | CLR | 42.1 | 25 | 51% | 38 | 30.06 | 1018.3 | ||||||
| 18 | 21:51 | W 10 | 10.00 | Fair | CLR | 43 | 25 | 49% | 38 | 30.05 | 1018.0 | ||||||
| 18 | 20:51 | W 14 G 23 | 10.00 | A Few Clouds | FEW050 | 44.1 | 24.1 | 45% | 38 | 30.03 | 1017.2 | ||||||
| 18 | 19:51 | W 14 G 30 | 10.00 | A Few Clouds | FEW050 FEW250 | 45 | 25 | 46% | 39 | 30 | 1016.3 | ||||||
| 18 | 18:51 | W 24 G 37 | 10.00 | Partly Cloudy and Breezy | SCT050 SCT250 | 46 | 23 | 51.1 | 46 | 40% | 38 | 29.98 | 1015.5 | ||||
| 18 | 17:51 | W 20 G 32 | 10.00 | A Few Clouds | FEW050 FEW250 | 48 | 26.1 | 42% | 42 | 29.96 | 1014.7 | ||||||
| 18 | 16:51 | W 22 G 37 | 10.00 | Partly Cloudy and Breezy | SCT047 SCT250 | 48.9 | 28 | 44% | 42 | 29.93 | 1013.6 | ||||||
| 18 | 15:51 | W 22 G 31 | 10.00 | Mostly Cloudy and Breezy | BKN048 BKN250 | 48.9 | 28.9 | 46% | 42 | 29.91 | 1013.0 | ||||||
| 18 | 14:51 | W 22 G 32 | 10.00 | Mostly Cloudy and Breezy | BKN046 BKN250 | 48.9 | 28.9 | 46% | 42 | 29.91 | 1012.8 | ||||||
| 18 | 13:51 | W 15 G 31 | 10.00 | A Few Clouds | FEW039 FEW250 | 48.9 | 30 | 48% | 44 | 29.91 | 1012.7 | ||||||
| 18 | 12:51 | W 16 G 30 | 10.00 | Partly Cloudy | SCT034 SCT250 | 48 | 30 | 48 | 44.1 | 50% | 42 | 29.89 | 1012.1 | ||||
| 18 | 11:51 | W 17 G 25 | 10.00 | Partly Cloudy | SCT029 SCT250 | 46 | 30.9 | 56% | 40 | 29.87 | 1011.6 | ||||||
| 18 | 10:51 | W 15 G 28 | 10.00 | Mostly Cloudy | SCT026 BKN250 | 45 | 32 | 61% | 39 | 29.86 | 1011.1 | ||||||
| 18 | 09:51 | W 15 G 22 | 10.00 | Mostly Cloudy | FEW024 SCT120 SCT220 BKN250 | 44.1 | 33.1 | 65% | 38 | 29.82 | 1009.7 | ||||||
| 18 | 08:51 | W 16 G 29 | 10.00 | Overcast | SCT024 SCT100 BKN210 OVC250 | 45 | 35.1 | 68% | 38 | 29.8 | 1009.0 | ||||||
| 18 | 07:51 | W 16 G 25 | 10.00 | Overcast | SCT024 SCT070 SCT130 OVC220 | 46 | 36 | 68% | 40 | 29.76 | 1007.7 | ||||||
| 18 | 06:51 | W 16 G 25 | 10.00 | Overcast | BKN017 OVC050 | 46.9 | 39.9 | 63 | 46.9 | 77% | 41 | 29.73 | 1006.6 | 0.11 | |||
| 18 | 05:51 | W 16 G 25 | 10.00 | Overcast | OVC011 | 48.9 | 44.1 | 83% | 44 | 29.68 | 1004.9 | ||||||
| 18 | 04:51 | W 16 G 24 | 10.00 | Overcast | OVC009 | 51.1 | 46.9 | 86% | 29.66 | 1003.9 | |||||||
| 18 | 03:51 | W 15 G 24 | 10.00 | Overcast | BKN009 OVC036 | 55.9 | 53.1 | 90% | 29.63 | 1003.0 | 0.11 | ||||||
| 18 | 02:51 | SW 20 G 28 | 10.00 | Overcast | FEW008 BKN016 OVC120 | 61 | 57.9 | 90% | 29.59 | 1001.7 | 0.03 | ||||||
| 18 | 01:51 | SW 8 | 5.00 | Rain Fog/Mist | BKN075 OVC090 | 62.1 | 59 | 90% | 29.58 | 1001.3 | 0.08 | ||||||
| 18 | 00:51 | SW 18 G 29 | 10.00 | Light Rain | FEW070 OVC100 | 63 | 59 | 78.1 | 62.1 | 87% | 29.63 | 1002.9 | 0.5 | ||||
| 17 | 23:51 | SW 14 G 24 | 10.00 | Light Rain | SCT070 OVC130 | 62.1 | 59 | 90% | 29.59 | 1001.7 | 0.12 | ||||||
| 17 | 22:51 | SW 15 G 26 | 5.00 | Thunderstorm Rain Fog/Mist | FEW040CB BKN080 OVC150 | 63 | 60.1 | 90% | 29.67 | 1004.2 | 0.19 | ||||||
| 17 | 21:51 | SW 15 G 47 | 3.00 | Thunderstorm Heavy Rain Fog/Mist | BKN043CB BKN060 OVC100 | 64.9 | 60.1 | 84% | 29.66 | 1004.2 | 0.18 | 0.19 | |||||
| 17 | 20:51 | S 10 | 8.00 | Thunderstorm Light Rain | BKN049CB BKN070 BKN100 OVC130 | 73.9 | 64.9 | 74% | 29.62 | 1002.7 | 0.01 | ||||||
| 17 | 19:51 | S 20 G 32 | 10.00 | Overcast | SCT055 BKN150 OVC250 | 77 | 63 | 62% | 79 | 29.6 | 1001.9 | ||||||
| 17 | 18:51 | S 21 G 32 | 10.00 | Overcast and Breezy | FEW055 SCT150 OVC250 | 78.1 | 62.1 | 81 | 77 | 58% | 80 | 29.61 | 1002.5 | ||||
| 17 | 17:51 | S 23 G 33 | 10.00 | Overcast and Breezy | SCT055 OVC250 | 79 | 61 | 54% | 80 | 29.65 | 1003.6 | ||||||
| 17 | 16:51 | S 23 G 39 | 10.00 | Overcast and Breezy | SCT055 OVC250 | 80.1 | 60.1 | 51% | 81 | 29.65 | 1003.7 | ||||||
| 17 | 15:51 | S 14 G 32 | 10.00 | Overcast | SCT047 OVC250 | 80.1 | 60.1 | 51% | 81 | 29.71 | 1005.8 | ||||||
| 17 | 14:51 | S 21 G 32 | 10.00 | Mostly Cloudy and Breezy | SCT047 BKN250 | 78.1 | 61 | 56% | 80 | 29.73 | 1006.7 | ||||||
| 17 | 13:51 | S 16 G 31 | 10.00 | Mostly Cloudy | FEW038 BKN055 BKN250 | 77 | 62.1 | 60% | 79 | 29.81 | 1009.3 | ||||||
| 17 | 12:51 | S 14 G 25 | 10.00 | Mostly Cloudy | FEW035 FEW060 BKN250 | 77 | 61 | 77 | 50 | 58% | 79 | 29.84 | 1010.1 | ||||
| 17 | 11:51 | S 16 G 25 | 10.00 | Mostly Cloudy | BKN250 | 73 | 61 | 66% | 29.86 | 1010.9 | |||||||
| 17 | 10:51 | S 8 | 10.00 | Mostly Cloudy | BKN250 | 72 | 59 | 64% | 29.89 | 1011.9 | |||||||
| 17 | 09:51 | SE 10 | 10.00 | Mostly Cloudy | BKN250 | 68 | 55.9 | 65% | 29.9 | 1012.3 | |||||||
| 17 | 08:51 | SE 10 | 7.00 | Mostly Cloudy | BKN250 | 62.1 | 54 | 75% | 29.91 | 1012.7 | |||||||
| 17 | 07:51 | SE 5 | 4.00 | Fog/Mist | BKN250 | 55.9 | 52 | 87% | 29.91 | 1012.9 | |||||||
| 17 | 06:51 | SE 5 | 2.00 | Fog/Mist | FEW002 FEW250 | 50 | 50 | 50 | 48.9 | 100% | 49 | 29.92 | 1013.1 | ||||
| 17 | 05:51 | SE 5 | 0.50 | Fog | BKN000 | 50 | 48.9 | 96% | 49 | 29.91 | 1012.8 | ||||||
| 17 | 04:51 | E 5 | 0.13 | Fog | VV002 | 50 | 48.9 | 96% | 49 | 29.91 | 1012.8 | ||||||
| 17 | 03:51 | SE 3 | 0.50 | Fog | BKN002 | 48.9 | 48 | 97% | 29.91 | 1012.9 | |||||||
| 17 | 02:51 | E 5 | 0.50 | Fog | BKN002 | 48.9 | 48.9 | 100% | 48 | 29.92 | 1013.3 | ||||||
| 17 | 01:51 | E 3 | 0.13 | Fog | VV001 | 48.9 | 48.9 | 100% | 29.94 | 1013.7 | |||||||
| 17 | 00:51 | E 5 | 0.25 | Fog | OVC002 | 48.9 | 48 | 59 | 48.9 | 97% | 48 | 29.94 | 1013.8 | ||||
| 16 | 23:51 | E 6 | 1.00 | Fog/Mist | BKN005 | 50 | 48.9 | 96% | 48 | 29.95 | 1014.0 | ||||||
| 16 | 22:51 | E 5 | 9.00 | Partly Cloudy | SCT005 | 51.1 | 48.9 | 92% | 29.94 | 1013.9 | |||||||
| 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) | |||||||||||||||